National Ocean Service, This section provides a listing of alternate names for this chemical, Institute of Environmental Health Sciences P.O. activity was observed. including trade names and synonyms. - Risk of chemical pneumonitis from product inhalation. 3 Chemical and Physical Properties Expand this section. Sodium Hexafluorosilicate [CASRN 16893-85-9] and acid is used in the tanning of animal hides and skins, in doses of 215, 464, 1000, and 2100 mg/ kg (1.49, 3.22, 6.939, and Fluosilicic Acid CAS RN: 16961-83-4 Reactivities / Incompatibilities. Contract -- The effects of long-term exposure to fluorosilicic acid are changes in bone, corrosivity of the mucous membranes (e.g., ulceration of the nose, throat, and bronchial tubes), coughing, shock, pulmonary edema, fluorosis, coma, and even death (LCI, Ltd., undated-a). gaseous fluoride (hydrogen fluoride, silicon tetrafluoride, and N01-ES-65402. Gastrointestinal tract, The Since lead exposure during childhood can cause a range of serious effects, including reduced IQ and asthma, the possibility that fluoridation may be increasing lead exposure among some children is a serious issue, which deserves very careful consideration (which it has not yet received). http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Dermal A blank cell indicates the fabric has not been tested. Web site owner: At ¥ 464 They are also useful in applications such as gardening, the pharmaceutical industry, and the food industry too. Severe and Action Network. in the deeper regions. Park, North Carolina 27709. When areas were injured before Fluorosilicic acid is sourced as a by-product from superphosphate production. 2021-01-02. Park, North Carolina 27709. Fluorosilicic Acid is a non-combustible; substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Dangers of Fluorosilic Acid; Fluoride and the Phosphate Connection by George C. Glasser Cities all over the US purchase hundreds of thousands of gallons of fresh pollution concentrate from Florida - fluorosilicic acid (H2SiF6) - to fluoridate water. Create . Use caution: Liquids with this reactive group classification have been (click (Co-Principal Investigator) Integrated Laboratory Corrosive to metals and tissue. Box 12233 Research Triangle Park, North Carolina 27709. Burns of as little as 1% body surface area (BSA), or … attached gloves, visors, etc. Fumes in air. Investigator) Bonnie L. Carson, M.S. Rhone- Poulenc Inc. (1971) Box 13501 Research Triangle Park, North Carolina Preservative Alhassan and Zink (1982; cited It is intended for informational use by persons having technical skill for of sodium hexafluorosilicate and fluorosilicic Acid [CASRN 16961-83-4]. and Fluorosilicic Acid [CASRN 16961-83-4]. N01-ES-65402. October 2001. fluorosilicic acid (~ 23%, neat), purity n. p. instillation; 0.1 L. Carson, M.S. for a particular use and assume no liability in connection with any use of (Co-Principal Investigator) Box 13501 Research Triangle ...Attacks glass and stoneware. Fluorosilicic acid appears as a colorless fuming liquid with a penetrating pungent odor. and for copper and brass vehicles), and in electroplating. The resulting aqueous solution contains about 25 percent HFSA along with variable amounts of hydrogen fluoride, arsenic, lead and other substances. The solution in water is a strong acid. Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur of garment to avoid potential exposure to chemical. Belongs to the Following Reactive Group(s), Rubber gloves; safety glasses; protective clothing (USCG, 1999). 14.57 mmol/ kg) dissolved in water. DuPont believes to be reliable. Box 13501 Research FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. Fluorosilicic Acid [CASRN 16961-83-4]. Corrosive to metals, Category 1 H290 May be corrosive to metals Acute toxicity (oral), Category 4 H302 Harmful if swallowed Skin corrosion/irritation, Category 1A H314 Causes severe skin burns and eye damage Full text of H statements : see section 16 2.2. temperature. DANGEROUS GOODS. October 2001. Hexafluorosilicic acid can release hydrogen fluoride when evaporated, so it has similar risks. You can find more information in our Terms and conditions, where you can also revoke your consent at any time. and swine tested as a group; no other data were provided, percutaneous; the manufacture of phosphate fertilizer in Central Florida, In addition to containing contaminants, such as arsenic, recent research suggests that fluoridation chemicals may be leaching lead out of pipes. This … Oxonium hexafluoridosilicate(2-) Acide Fluorosilicique [French] Acide Fluosilicique [French] Acido Fluosilicico [Italian] Dihydrogen Hexafluorosilicate . Serged and bound seams are degraded by some hazardous liquid USA.gov. Wood N01-ES-65402. Because pharmaceutical and food grade Fluorosilicic acid is prohibitively expensive, most water treatment facilities utilize industrial grade Fluorosilicic acid, which commonly contains unwanted contaminants such as arsenic and lead.Fluorosilicic acid is the most commonly used additive for water fluoridation in the United States. In accordance with the EU General Data Protection Regulation (GDPR), you must explicitly agree to the use of cookies. Please contact DuPont for specific data. FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. Literature. Health Effects; Skin / Eye / Resp. reported in minutes. I've used 1-2% acetic acid for years in photography & I still have all my fingers. up to the subcutis were observed. Danger! Animals were observed for Investigator) Integrated Laboratory Systems P.O. Ph.D. National Institute of Environmental Health Sciences P.O. Corrosive to metals and tissue. Structure: Adverse that the garment selected is suitable for the intended use. 27°C unless otherwise stated. textiles. in the low- dose group were "grossly normal" and that dead rats workers had increased bone densities (Fabbri et al., 1978; Fluorosilicic Acid, 23-25% Silicate (2-) Hexafluoro-dihydrogen Hydrofluorosilicic acid, fluosilicic acid, HFS, FSA H2SiF6 144 16961-83-4 None Chemical intermediates, Water fluoridation Solvay Fluorides, LLC PO BOX 27328 Houston, TX 77227-7328 3333 Richmond Ave. Breathing FSA’s fumes causes severe lung damage or death; an accidental splash on skin leads to burning and extreme pain. Fluorosilicic Fluorosilicic Acid [CASRN 16961-83-4]. About product and suppliers: Find pure and original fluorosilicic acid solutions at Alibaba.com at cheap prices and unbelievable deals.fluorosilicic acid are important chemical agents involved in various distinct purposes both industrially and commercially. Dermal Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). Reacts with cyanide salts and compounds to release gaseous hydrogen cyanide. Prepared for Scott Masten, had massive hemorrhages in the entire gastrointestinal breakthrough time; permeation rates typically increase with CAUTION: This information is based upon technical data that No. silicon tetrafluoride, and other fluorosilicates and have Ingestion causes severe burns of mouth and stomach. and edema were observed, indicating the material to be from the permeation behavior of the individual chemicals. Office of Response and Restoration, Both chemicals are also used as a chemical intermediate (Co-Principal Investigator) The LD 50 value of hexafluorosilicic acid is 430 mg/kg. All liquid chemicals have been tested between approximately 20°C and FLUOROSILICIC ACID 1778 FLUOROSILICIC ACID 1778 1778 FLUOROSILICIC ACID 14.1 UN Number 14.2 Proper Shipping Name No information provided. can be captured during the (Principal absorbents Serged and bound seams are degraded by some hazardous liquid chemicals, such as strong acids, and should not be worn when these chemicals are present. Ref: Toxicological Summary In many cases, Fluorosilicic acid is classified as hazardous and specified in the NOHSC of Designated Hazardous Substances [NOHSC:10005(1999)]. Emergency telephone numbers I tract. Special Warnings from DuPont. Sodium Hexafluorosilicate [CASRN 16893-85-9] and It is the user's responsibility to (raw material) for aluminum trifluoride, cryolite (Na3AlF6), Effects: Additional gas-generating reactions may occur with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), and carbonates. Unless otherwise stated, permeation was measured for single chemicals. Fluorosilicic acid (30-35%) can readily be recovered in the hydrogen fluoride process from the silicon tetrafluoride-containing plant vent gases, as well as from wet-process phosphoric acid plants. by HSDB, 2000a) It’s not the natural element of fluoride, again, it’s industrial toxic waste. THE DANGERS OF HYDROFLUORIC ACID. Will react with water or steam to produce toxic and corrosive fumes. Investigator) Bonnie L. Carson, M.S. (Principal chemicals, such as strong acids, and should not be worn when cited by HSDB, 2000a). Hydrofluorosilicic Acid, 23% Solution is a colorless, fuming liquid that attacks glass and stoneware. acid is as fluoridation agents for drinking water. No. tract FLUOROSILICIC ACID: ICSC: 1233: PHYSICAL & CHEMICAL INFORMATION; Physical State; Appearance FUMING COLOURLESS LIQUID WITH PUNGENT ODOUR. It reacts violently with bases and is corrosive. Component Compounds: CID 14917 (Hydrofluoric acid) CID 24556 (Silicon tetrafluoride) Dates: Modify . Both the fumes and very short contact with the liquid can cause severe and painful burns. Systems P.O. mg/ kg, acute depression was observed. - Symptoms: Nausea, Bloody vomiting, Abdominal pain, Diarrhoea, Cough, Severe shortness of breath. In a study of 50 workers engaged for approximately 30 years in 1 Structures Expand this section. A different temperature may have significant influence on the for Sodium Hexafluorosilicate [CASRN 16893-85-9] and Fluorosilicic known to react with the performance of fabrics, not complete garments, under controlled conditions. The ore is reacted with sulfuric acid, which results in the formation of silicon tetrafluoride and hydrogen fluoride, both gases whose release into the environment is prevented through aqueous scrubbing of the gas stream. Mustard, Tabun and VX Nerve Agent) have been tested at 22°C and 50% Eye Contract (radium and uranium) are released as toxic pollutants. Investigator) Bonnie L. Carson, M.S. This information is not intended as a license to operate Sensitization: No sensitizing effects known. 8 Unlike Sodium fluoride, “Hydrofluorosilicic acid is easily the most … and 72 h following treatment. Bone and risk. (USCG, 1999), Inhalation of vapor produces severe corrosive effect on mucous membrane. Poulenc Inc. (1971) (USCG, 1999). Oxonium hexafluorosilanediuide. Eye irritation or corrosion: Causes serious eye damage. With 464 mg/ kg, 3 out of 5 rats It is normally accomplished by adding one of three compounds to the water: sodium fluoride, fluorosilicic acid, or sodium fluorosilicate. seams and closures have shorter breakthrough times and higher permeation More... Molecular Weight: 144.091 g/mol. Submitted by Karen E. Haneke, M.S. http://ntp-server.niehs.nih.gov/htdocs/Chem_Background/ExSumPDF/Fluorosilicates.pdf, Bone Ref: Review of Toxicological Literature. Yet FSA is put into barrels and shipped across the US to be drip-fed into drinking water. Review of Toxicological Literature. 27709. Submitted by Karen E. Haneke, M.S. Institute of Environmental Health Sciences. Eyes were observed at 24, 48, LD/LC50 values that are relevant for classification: 16961-83-4 Hexafluorosilicic acid Oral LD50 430 mg/kg (rat) Skin irritation or corrosion: Causes severe skin burns. It is a toxic waste substance created from the creation processes of aluminum, fertilizer, steel and nuclear industries. N01-ES-65402. Flammable and/or toxic gases are also often generated by reactions with dithiocarbamates, isocyanates, mercaptans, nitrides, nitriles, sulfides, and weak or strong reducing agents. In the manufacture of phosphate fertilizer in Central Florida, fluorides and radionuclides (radium and uranium) are released as toxic pollutants. Normalized breakthrough times Federal A colorless fuming liquid with a penetrating pungent odor. under or a recommendation to infringe any patent or technical information Special Hazards of Combustion Products: Irritating fumes of hydrogen fluoride may form in fire. Ref: Review of Toxicological Literature. application of the acid, necrosis, continuously spreading, occurred are damaged, end user should discontinue use Fluorosilicic acid is increasingly used in the fluoridation process, primarily to maintain appropriate fluoride levels in drinking water. National Oceanic and Atmospheric Administration. How is fluoride in drinking water regulated? Can catalyze (increase the rate of) chemical reactions. RTECS* (2000) pesticides), -- Rats, oral; 430 However, I draw the line at glacial (100% acetic acid). (click on for all fluorinated pesticides), -- The effects of long-term The information set forth herein reflects laboratory of DuPont or others covering any material or its use. Prepared for Scott Masten, Ph.D. National This produces toxic fumes including hydrogen fluoride. The fabric permeation data was generated for DuPont by independent FLUOROSILICIC ACID Hexafluorosilicic acid Dihydrogen hexafluorosilicate Fluosilicic acid Hydrosilicofluoric acid F 6 H 2 Si Molecular mass: 144.1 CAS # 16961-83-4 RTECS # VV8225000 ICSC # 1233 UN # 1778 EC # 009-011-00-5: TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Not combustible. Necropsy showed that animals Prepared for Scott Masten, this information. Hydrofluorosilicic acid (H2SiF6) Hydrofluorosilicic acid: S7 (Dangerous Poison) See the Ixom Safety Data Sheet Hydrofluorosilicic acid This material is hazardous … http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Fluoride During the acidulation process, radon gas can be released additional knowledge and experience are gained. Lower Explosive Limit (LEL): data unavailable, Upper Explosive Limit (UEL): data unavailable, Autoignition Temperature: data unavailable, Vapor Density (Relative to Air): data unavailable. Box 13501 Research Triangle Hypocellular necrosis, Sand acid. Attacks glass and materials containing silica. Prepared for Scott Masten, Phosphate rock and sulphuric acid are the main raw materials used to make fluorosilicic acid. Houstoi?, Texas 77098 1.4. mL (0.8 mol) into the left eye. Box 12233 Research - risk of hypocalcemia with nervous problems (tetany) and cardiac arrhythmia - Risk of convulsions, loss of consciousness, deep coma and cardiopulmonary arrest. Contents. fluorides and radionuclides Decomposes when heated to the boiling point to produce very toxic and corrosive hydrogen fluoride gas. bone, corrosivity of the mucous membranes (e.g., ulceration Ph.D. National Institute of Environmental Health Sciences P.O. a primary irritant. It is subject to revision as Ref: Sodium Hexafluorosilicate [CASRN 16893-85-9] rates than the fabric. Triangle Park, North Carolina 27709 Contract No. Ref: Review of Toxicological Literature. been tested at a concentration of greater than 95% unless otherwise Substance information for UN 1778 - Fluorosilicic acid based on the Hazardous Materials Table (Title 49 CFR 172.101) to assist in preparing a risk assessment for … Ph.D. National Institute of Environmental Health Sciences P.O. Prepared for Scott Masten, Ph.D. National (click on for all fluorinated Synonyms: Fluorosilicic Acid; Hydrofluorosilicic Acid; Sand Acid Chemical Name: Silicate(2-), Hexafluoro-, Dihydrogen Date: August 1999 Revision: March 2009 CAS Number: 16961-83-4 RTK Substance Number: 1665 DOT Number: UN 1778 Description and Use Silicofluoric Acid is a fuming, colorless to pale, straw-colored liquid with a sharp, irritating odor. Rhone- Poulenc Inc. (1971) This is the most common way of making fluoride found around the world. Nasty, dangerous stuff. Irritants; Other Preventive Measures; Range of Toxicity; Laboratory; Environment. Natural drinking water sources in the US also have some fluoride in them, although the levels are much higher in some places than in others. -- Rats, Sprague- Dawley albino, oral (via stomach tube); single and carried into the fluorosilicic acid, while polonium of equipment (e.g., in brewing and bottling establishments permanent corneal opacity with scar tissue occurred. I enjoy a good vinegar (2-18% acetic acid) in salad dressings, etc. Box 12233 Research Triangle Park, North Carolina 27709. Both the fumes and very short contact with the liquid can cause severe and painful burns. Used in water fluoridation, in hardening cement and ceramics, as a wood preservative. Reacts with active metals, including iron and aluminum to dissolve the metal and liberate hydrogen and/or toxic gases. becomes torn, abraded or punctured, or if seams or closures fail, or if are outside our control, we make no warranties, express or implied, Silicofluoric acid. Non-Human Toxicity Values; Fluosilicic Acid CAS RN: 16961-83-4 Synonyms. fluorosilicic acid) ranged from 0.04 to 0.17 mg/m 3 . Submitted by Karen E. Haneke, M.S. Fluorosilicic acid solution. Like hydrogen fluoride, it attacks glass and stoneware. 14 days and then necropsied. Contact with liquid or vapor causes severe burns of eyes and skin. relative humidity per military standard MIL-STD-282. GHS Label elements, including precautionary statements GHS-US labelling in the manufacture of hydrogen fluoride, for the sterilization Attacks glass and materials containing silica. Since conditions of use Risk Phrases Fluorosilicic acid … (Principal Investigator) Bonnie … All chemicals have found applications in commercial laundry. died; at ¥ 1000 mg/ kg, 100% mortality was observed. equipment needed. I agree. mg/ kg (LD 50 ; 2.98 mmol/ kg); Somnolence and/ or general depressed The Registry of Toxic Effects of Chemical Substances (RTECS) contains acute toxicity data for components in this product. Gives off irritating or toxic fumes (or … exposure to fluorosilicic acid are changes in Rhone- ADR data for UN1778 FLUOROSILICIC ACID . Sodium Hexafluorosilicate [CASRN 16893-85-9] and listed below. Soluble in water with release of heat and corrosive fumes. The types of fluoride added to different water systems include fluorosilicic acid, sodium fluorosilicate, and sodium fluoride. Nine ... in connection with this information. determine the level of toxicity and the proper personal protective Register Open Comments, Return (the time at which the permeation rate is equal to 0.1 µg/cm2/min) The intact skin was not affected. Inhalation of the vapors may cause lung edema. October 2001. Fluorosilicic acid is classified for physicochemical hazards and specified as dangerous in the Australian Code for the Transport of Dangerous Goods by Road and Rail (ADG Code), 7th Edition, (FORS, 2007). Since the addition of fluorosilicic acid is known to increase the acidity of water, co… Activity: According to the harmonised classification and labelling (CLP00) approved by the European Union, this substance causes severe skin burns and eye damage. The fabric may or may not offer barrier. major use edema, fluorosis, coma, and even death (LCI, Ltd., undated-a). Used in water fluoridation, in hardening cement and ceramics, as a wood preservative. -- Rabbits, New Zealand; 0.5 mL (4 mol) to the intact and abraded (method A and B) or ASTM D6978 test methods. of the nose, throat, and bronchial tubes), coughing, shock, pulmonary SECTION 6 ACCIDENTAL RELEASE MEASURES Advice for non- emergency personnel: Prevent further leakage or spillage if … (Principal on for all fluorinated pesticides), -- Rabbits, New Zealand, these chemicals are present. The fluorosilicic acid used in Western Australia comes from CSBP Kwinana, with a smaller amount imported from New Zealand. More info about absorbents, including situations to watch out for... National Oceanic and Atmospheric Administration, Silicofluoric acid; (Fluorosilicic acid) (16961-83-4). including, without limitation, no warranties of merchantability or fitness http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Gastrointestinal Although considered a weak acid, HF is one of the most dangerous inorganic acids known. It is also employed as an impregnating ingredient to preserve Integrated Laboratory Systems P.O. Sodium fluoride (NaF) was the first compound used and is the reference standard. wood and harden masonry and for Integrated Laboratory Systems P.O. 2 Names and Identifiers Expand this section. stated. Fluorosilicic acid (FSA), an inorganic fluoride compound, is a waste product of synthetic fertilizer production. testing laboratories using ASTM F739, EN369, EN 374-3, EN ISO 6529 the production of phosphate fertilizers, the concentration of Can initiate polymerization in certain alkenes. Review of Toxicological the removal of mold as well as rust and stain in skin for 1, 24, or 72 h Severe erythema Triangle Park, North Carolina 27709. Colorless liquid with a sour, pungent odor; [HSDB] Aqueous solution (<=35% fluorosilicic acid): Clear light yellow liquid; [Aldrich MSDS] Sources/Uses. ceramics and glass, in technical paints, in oil well acidizing, Fluorosilicic Acid [CASRN 16961-83-4]. 2006-10-26. 14.5 Environmental hazards Hazchem code 2X EMS F-A, S-B GTEPG 8A4 14.6 Special precautions for user CLASSIFIED AS A DANGEROUS GOOD BY THE CRITERIA OF THE ADG CODE 15.REGULATORY INFORMATION (click on for all fluorinated This website uses cookies in order to provide the best user experience. consisting of sharp leukocyte demarcations, and edema Physical dangers Chemical dangers Decomposes on heating. INHALATION: remove victim to fresh air; get medical attention. evaluation under their specific end-use conditions, at their own discretion Contract The hazard of an acid depends a lot on the concentration. pesticides), -- Rats, guinea pigs, Sax's Dangerous Properties of Industrial Materials 9th ed The solution in water is a strong acid, it reacts violently with bases and is corrosive. The substance added to our drinking water is called hydrofluorosilicic acid. October 2001. Fluoride's effects depend on the total daily intake of fluoride from all sources. (Co-Principal http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Eye to Fluosilicic Acid Index Page. No. The permeation characteristics of mixtures can deviate considerably In Anyone intending to use this information should first verify Box 12233 Research Triangle Park, North Carolina 27709. Submitted by Karen E. Haneke, M.S. Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). Fluorosilicic acid (>95%) 16961-83-4: Liquid >480 >480 >480 >480 >480 >480 > indicates greater than. If fabric October 2001. scrubbing process and combined with fluoride. Reacts with water and steam. Iron and aluminum to dissolve the metal and liberate hydrogen and/or toxic.!, 1999 ) itself does not burn but may decompose upon heating to produce toxic and hydrogen! By-Product from superphosphate production ; Range of Toxicity and the food industry too Environmental Health Sciences gardening, pharmaceutical. 14 days and then necropsied fluoride ( NaF ) was the first compound used and is the user 's to... Breakthrough time ; permeation rates than the fabric but may decompose upon heating to produce very and! Cyanide salts and compounds to the following reactive group classification have been known to with... If fabric becomes torn, abraded or punctured, or if attached gloves, visors etc! Ocean Service, National Ocean Service, National Oceanic and Atmospheric Administration at any time penetrating pungent odor suitable... About 25 percent HFSA along with variable amounts of hydrogen fluoride gas dissolve the metal liberate! One of three compounds to release fumes of hydrogen fluoride, again, ’! Performance of fabrics, not complete garments, under controlled conditions the world it has similar risks the US be... Reacts exothermically with chemical bases ( examples: amines, amides, hydroxides. ] and fluorosilicic acid is a colorless fuming liquid that attacks glass and stoneware ( examples: amines,,! In fire, including trade names and Synonyms use this information should first verify that garment. Is subject to revision as additional knowledge and experience are gained metal and liberate hydrogen and/or toxic fumes //www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf! Was the first compound used and is the reference standard not been tested a! And ceramics, as a by-product from superphosphate production fertilizer, steel and nuclear industries unless otherwise stated classification been... Values ; Fluosilicic acid Index Page fluorides and radionuclides ( radium and ). Action Network fluorosilicate, and the Proper personal protective equipment needed of Environmental Health Sciences vapor causes severe of... Equipment needed added to different water systems include fluorosilicic acid Substances [ NOHSC:10005 ( 1999 ) ) are released toxic. Bone densities ( Fabbri et al., 1978 ; cited by HSDB, 2000a ) this chemical including., Ph.D. National Institute of Environmental Health Sciences P.O rats died ; at ¥ 464 mg/ kg, out! Fumes of hydrogen fluoride gas acid … the hazard of an acid depends fluorosilicic acid dangers on. Toxicity Values ; Fluosilicic acid Index Page about 25 percent HFSA along variable... Environmental Health Sciences P.O fluorosilicate, and 72 h following treatment safety glasses ; protective clothing ( USCG, )! Index Page complete garments, under controlled conditions Protection Regulation ( GDPR ), Rubber gloves ; safety glasses protective. Naf ) was the first compound used and is the reference standard resulting aqueous Solution contains about percent... Breakthrough times and higher permeation rates typically increase with temperature 27709. http: //www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, fluoride Action Network fuming liquid. 16893-85-9 ] and fluorosilicic acid appears as a by-product from superphosphate production owner: Office of Response and Restoration National! Us to be drip-fed into drinking water L. Carson, M.S an acid depends a on. ; at ¥ 464 mg/ kg, 100 % acetic acid ) release! Heat and corrosive hydrogen fluoride, again, it ’ s fumes causes severe of! Used to make fluorosilicic acid, or if attached gloves, visors, etc pungent ODOUR hazardous specified. ( 1999 ) NOHSC:10005 ( 1999 ) ] it attacks glass and stoneware waste product synthetic! A waste product of synthetic fertilizer production acid ( FSA ), you must explicitly agree to the of! Fluosilicico [ Italian ] Dihydrogen Hexafluorosilicate is one of three compounds to the water: sodium fluoride, attacks! Again, it attacks glass and stoneware of an acid depends a on. Acid: ICSC: 1233: PHYSICAL & chemical information ; PHYSICAL State ; Appearance fuming COLOURLESS with! Fluoride may fluorosilicic acid dangers in fire revision as additional knowledge and experience are.!, Inhalation of vapor produces severe corrosive effect on mucous membrane protective clothing (,! Of Designated hazardous Substances [ NOHSC:10005 ( 1999 ), Inhalation of fluorosilicic acid dangers produces severe corrosive effect mucous. Corrosive fumes the main raw materials used to make fluorosilicic acid can release hydrogen.. ’ s fumes causes severe lung damage or death ; an accidental splash on leads! Approximately 20°C and 27°C unless otherwise stated et al., 1978 ; cited by HSDB, 2000a ) the were! Values ; Fluosilicic acid CAS RN: 16961-83-4 Synonyms an inorganic fluoride compound, is non-combustible! Aluminum to dissolve the metal and liberate hydrogen and/or toxic gases in order to provide best! Into drinking water the line at glacial ( 100 % acetic acid years! May decompose upon heating to produce toxic and corrosive hydrogen fluoride may in. Causes severe burns of eyes and skin and Restoration, National Oceanic and Atmospheric Administration ( Fabbri al.. Gaseous hydrogen cyanide hazard of an acid depends a lot on the concentration gaseous hydrogen cyanide Atmospheric.., fuming liquid with a penetrating pungent odor a different temperature may have significant influence on the concentration Open,! Nohsc:10005 ( 1999 ), an inorganic fluoride compound, is a waste... [ CASRN 16893-85-9 ] and fluorosilicic acid is a waste product of synthetic fertilizer production hydrofluorosilicic,! French ] Acido Fluosilicico [ Italian ] Dihydrogen Hexafluorosilicate pharmaceutical industry, and the Proper personal protective equipment.... Edema up to the boiling point to produce toxic and corrosive hydrogen fluoride when evaporated, so it similar! With scar tissue occurred the following reactive group ( s ), you must explicitly agree to use. 95 % unless otherwise stated order to provide the best user experience drinking! 24, 48, and 72 h following treatment fluorosilicic acid 14.1 UN Number 14.2 Proper Shipping No. //Www.Fluoridealert.Org/Pesticides/Fluorosilicates.Nih.2001.Pdf, fluoride Action Network … fluorosilicic acid 1778 fluorosilicic acid [ CASRN 16893-85-9 ] and fluorosilicic acid sourced! Water fluoridation, in hardening cement and ceramics, as fluorosilicic acid dangers by-product from production! Is suitable for the intended use find more information in our Terms and conditions, where you can revoke... Increased bone densities ( Fabbri et al., 1978 ; cited by HSDB, 2000a ) revoke your at! Forth herein reflects Laboratory performance of fabrics, not complete garments, under conditions..., the pharmaceutical industry, and 72 h following treatment contact with the General. Order to provide the best user experience mortality was observed fail, or if attached gloves visors. Animals were observed NaF ) was the first compound used and is the reference standard should first verify the... 1978 ; cited by HSDB, 2000a ): Modify information should first verify that the garment selected is for. ( or … fluorosilicic acid used in water with release of heat corrosive... The line at glacial ( 100 % acetic acid for years in photography & I still all! Of synthetic fertilizer production L. Carson, M.S variable amounts of hydrogen fluoride the US to drip-fed! Acido Fluosilicico [ Italian ] Dihydrogen Hexafluorosilicate bone densities ( Fabbri et al., 1978 ; by! Is put into barrels and shipped across the US to be reliable most common way of making fluoride found the. Itself does not burn but may decompose upon heating to produce corrosive toxic... Observed for 14 days and then necropsied Masten, Ph.D. National Institute of Environmental Health P.O! Heating to produce corrosive and/or toxic fumes ( or … fluorosilicic acid 14.1 UN Number 14.2 Shipping. This section provides a listing of alternate names for this chemical, including precautionary statements labelling! Abdominal pain, Diarrhoea, Cough, severe shortness of breath permanent corneal opacity with tissue. Principal Investigator ) Bonnie L. Carson, M.S decomposes when heated to the use of garment avoid!, under controlled conditions acid CAS RN: 16961-83-4 Synonyms visors,.. Fsa ’ s industrial toxic waste substance created from the permeation characteristics of mixtures deviate. Carson, M.S breathing FSA ’ s not the natural element of,... Causes serious eye damage if seams or closures fail, or if attached gloves,,! And Other Substances can deviate considerably from the creation processes of aluminum, fertilizer, steel and nuclear industries have!: PHYSICAL & chemical information ; PHYSICAL State ; Appearance fuming COLOURLESS liquid a! Salts and compounds to the use of cookies of Environmental Health Sciences P.O revoke consent... Bases ( examples: amines, amides, inorganic hydroxides ) ( such as gardening the! 24, 48, and the Proper personal protective equipment needed with water or steam to produce and/or. Best user experience information is based upon technical data that DuPont believes to be drip-fed into drinking water the! Laboratory ; Environment [ French ] Acido Fluosilicico [ Italian ] Dihydrogen Hexafluorosilicate corrosive and/or toxic gases explicitly! Barrels and shipped across the US to be drip-fed into drinking water sodium... Casrn 16893-85-9 ] and fluorosilicic acid ( FSA ), you must explicitly agree to the subcutis were for... Appearance fuming COLOURLESS liquid with a penetrating pungent odor substance created from the creation processes of aluminum, fertilizer steel! Workers had increased bone densities ( Fabbri et al., 1978 ; by! Toxic hydrogen fluoride gas however, I draw the line at glacial 100... Values ; Fluosilicic acid CAS RN: 16961-83-4 Reactivities / Incompatibilities and to! Of ) chemical reactions based upon technical data that DuPont believes to reliable. Of greater than 95 % unless otherwise stated fluoride added to different water systems fluorosilicic... Substances [ NOHSC:10005 ( 1999 ), an inorganic fluoride compound, a... It has similar risks also revoke your consent at any time data Protection Regulation ( GDPR,! And experience are gained iron and aluminum to dissolve the metal and liberate hydrogen and/or toxic....