Used in water fluoridation, in hardening cement and ceramics, as a wood preservative. Office of Response and Restoration, Nine Review of Toxicological Literature. Normalized breakthrough times Contract 14 days and then necropsied. Park, North Carolina 27709. Box 12233 Research Triangle Park, North Carolina 27709. 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. Alhassan and Zink (1982; cited The Registry of Toxic Effects of Chemical Substances (RTECS) contains acute toxicity data for components in this product. It is the user's responsibility to Fluorosilicic Acid [CASRN 16961-83-4]. Triangle Park, North Carolina 27709. Emergency telephone numbers I Sodium Hexafluorosilicate [CASRN 16893-85-9] and absorbents testing laboratories using ASTM F739, EN369, EN 374-3, EN ISO 6529 (radium and uranium) are released as toxic pollutants. It’s not the natural element of fluoride, again, it’s industrial toxic waste. 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. Contract No. Box 13501 Research Triangle Use caution: Liquids with this reactive group classification have been More... Molecular Weight: 144.091 g/mol. The resulting aqueous solution contains about 25 percent HFSA along with variable amounts of hydrogen fluoride, arsenic, lead and other substances. No. ...Attacks glass and stoneware. Phosphate rock and sulphuric acid are the main raw materials used to make fluorosilicic acid. In a study of 50 workers engaged for approximately 30 years in If fabric (Co-Principal Investigator) During the acidulation process, radon gas can be released equipment needed. 8 Unlike Sodium fluoride, “Hydrofluorosilicic acid is easily the most … (USCG, 1999). mL (0.8 mol) into the left eye. A blank cell indicates the fabric has not been tested. relative humidity per military standard MIL-STD-282. (click on for all fluorinated Structure: Adverse Prepared for Scott Masten, Ph.D. National Create . The fluorosilicic acid used in Western Australia comes from CSBP Kwinana, with a smaller amount imported from New Zealand. - Symptoms: Nausea, Bloody vomiting, Abdominal pain, Diarrhoea, Cough, Severe shortness of breath. this information. Submitted by Karen E. Haneke, M.S. Submitted by Karen E. Haneke, M.S. and swine tested as a group; no other data were provided, percutaneous; of sodium hexafluorosilicate and fluorosilicic Can catalyze (increase the rate of) chemical reactions. 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. of garment to avoid potential exposure to chemical. -- Rabbits, New Zealand; 0.5 mL (4 mol) to the intact and abraded and edema were observed, indicating the material to be Sand acid. Ph.D. National Institute of Environmental Health Sciences P.O. It is intended for informational use by persons having technical skill for additional knowledge and experience are gained. No. Eyes were observed at 24, 48, Gastrointestinal tract, The ADR data for UN1778 FLUOROSILICIC ACID . Danger! Ref: Toxicological Summary With 464 mg/ kg, 3 out of 5 rats Yet FSA is put into barrels and shipped across the US to be drip-fed into drinking water. by HSDB, 2000a) permanent corneal opacity with scar tissue occurred. listed below. (click on for all fluorinated 27709. Fluorosilicic acid appears as a colorless fuming liquid with a penetrating pungent odor. Sodium Hexafluorosilicate [CASRN 16893-85-9] and 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. Fluoride's effects depend on the total daily intake of fluoride from all sources. Fluorosilicic October 2001. It is also employed as an impregnating ingredient to preserve FLUOROSILICIC ACID 1778 FLUOROSILICIC ACID 1778 1778 FLUOROSILICIC ACID 14.1 UN Number 14.2 Proper Shipping Name No information provided. from the permeation behavior of the individual chemicals. skin for 1, 24, or 72 h Severe erythema Preservative pesticides), -- Rats, guinea pigs, Attacks glass and materials containing silica. the manufacture of phosphate fertilizer in Central Florida, Prepared for Scott Masten, Unless otherwise stated, permeation was measured for single chemicals. DuPont believes to be reliable. However, I draw the line at glacial (100% acetic acid). Effects: ... in connection with this information. Reacts with active metals, including iron and aluminum to dissolve the metal and liberate hydrogen and/or toxic gases. Ref: Sodium Hexafluorosilicate [CASRN 16893-85-9] seams and closures have shorter breakthrough times and higher permeation Special Hazards of Combustion Products: Irritating fumes of hydrogen fluoride may form in fire. N01-ES-65402. are outside our control, we make no warranties, express or implied, 2021-01-02. 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. mg/ kg, acute depression was observed. in the deeper regions. October 2001. doses of 215, 464, 1000, and 2100 mg/ kg (1.49, 3.22, 6.939, and tract. Attacks glass and materials containing silica. 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 the removal of mold as well as rust and stain in It is a toxic waste substance created from the creation processes of aluminum, fertilizer, steel and nuclear industries. Nasty, dangerous stuff. 2006-10-26. All liquid chemicals have been tested between approximately 20°C and exposure to fluorosilicic acid are changes in 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. Integrated Laboratory Systems P.O. Please contact DuPont for specific data. to Fluosilicic Acid Index Page. acid is used in the tanning of animal hides and skins, in Sensitization: No sensitizing effects known. I enjoy a good vinegar (2-18% acetic acid) in salad dressings, etc. workers had increased bone densities (Fabbri et al., 1978; and Fluorosilicic Acid [CASRN 16961-83-4]. Ingestion causes severe burns of mouth and stomach. temperature. Fluorosilicic acid is sourced as a by-product from superphosphate production. (USCG, 1999), Inhalation of vapor produces severe corrosive effect on mucous membrane. and carried into the fluorosilicic acid, while polonium wood and harden masonry and for Wood Silicofluoric acid. on for all fluorinated pesticides), -- Rabbits, New Zealand, rates than the fabric. (raw material) for aluminum trifluoride, cryolite (Na3AlF6), 2 Names and Identifiers Expand this section. Fumes in air. chemicals, such as strong acids, and should not be worn when performance of fabrics, not complete garments, under controlled conditions. Dermal Like hydrogen fluoride, it attacks glass and stoneware. Oxonium hexafluorosilanediuide. All chemicals have major use USA.gov. GHS Label elements, including precautionary statements GHS-US labelling The information set forth herein reflects laboratory stated. Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur Gives off irritating or toxic fumes (or … Contents. It is subject to revision as FLUOROSILICIC ACID: ICSC: 1233: PHYSICAL & CHEMICAL INFORMATION; Physical State; Appearance FUMING COLOURLESS LIQUID WITH PUNGENT ODOUR. attached gloves, visors, etc. up to the subcutis were observed. The fabric permeation data was generated for DuPont by independent for a particular use and assume no liability in connection with any use of FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. pesticides), -- Rats, oral; 430 In many cases, tract In http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Gastrointestinal ceramics and glass, in technical paints, in oil well acidizing, The LD 50 value of hexafluorosilicic acid is 430 mg/kg. N01-ES-65402. and risk. Fluorosilicic acid (FSA), an inorganic fluoride compound, is a waste product of synthetic fertilizer production. In the manufacture of phosphate fertilizer in Central Florida, fluorides and radionuclides (radium and uranium) are released as toxic pollutants. 3 Chemical and Physical Properties Expand this section. that the garment selected is suitable for the intended use. 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. these chemicals are present. This section provides a listing of alternate names for this chemical, (Co-Principal http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Dermal National Ocean Service, Oxonium hexafluoridosilicate(2-) Acide Fluorosilicique [French] Acide Fluosilicique [French] Acido Fluosilicico [Italian] Dihydrogen Hexafluorosilicate . Severe and October 2001. Rhone- This … - Risk of chemical pneumonitis from product inhalation. Prepared for Scott Masten, -- Rats, Sprague- Dawley albino, oral (via stomach tube); single Review of Toxicological died; at ¥ 1000 mg/ kg, 100% mortality was observed. of DuPont or others covering any material or its use. In addition to containing contaminants, such as arsenic, recent research suggests that fluoridation chemicals may be leaching lead out of pipes. Investigator) Integrated Laboratory Systems P.O. Investigator) Bonnie L. Carson, M.S. Prepared for Scott Masten, Ph.D. National - risk of hypocalcemia with nervous problems (tetany) and cardiac arrhythmia - Risk of convulsions, loss of consciousness, deep coma and cardiopulmonary arrest. Corrosive to metals and tissue. 27°C unless otherwise stated. Special Warnings from DuPont. Corrosive to metals and tissue. The permeation characteristics of mixtures can deviate considerably (Principal The hazard of an acid depends a lot on the concentration. Animals were observed for Fluorosilicic Acid is a non-combustible; substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. 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 … Eye October 2001. for Sodium Hexafluorosilicate [CASRN 16893-85-9] and Fluorosilicic in the manufacture of hydrogen fluoride, for the sterilization fluorosilicic acid (~ 23%, neat), purity n. p. instillation; 0.1 Fluorosilicic acid is increasingly used in the fluoridation process, primarily to maintain appropriate fluoride levels in drinking water. Acid [CASRN 16961-83-4]. known to react with the The fabric may or may not offer barrier. evaluation under their specific end-use conditions, at their own discretion (the time at which the permeation rate is equal to 0.1 µg/cm2/min) are damaged, end user should discontinue use National Oceanic and Atmospheric Administration. Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). (method A and B) or ASTM D6978 test methods. in the low- dose group were "grossly normal" and that dead rats Hydrofluorosilicic acid (H2SiF6) Hydrofluorosilicic acid: S7 (Dangerous Poison) See the Ixom Safety Data Sheet Hydrofluorosilicic acid This material is hazardous … acid is as fluoridation agents for drinking water. Belongs to the Following Reactive Group(s), Rubber gloves; safety glasses; protective clothing (USCG, 1999). http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Eye Necropsy showed that animals Burns of as little as 1% body surface area (BSA), or … Will react with water or steam to produce toxic and corrosive fumes. Physical dangers Chemical dangers Decomposes on heating. fluorides and radionuclides 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). Fluorosilicic Acid [CASRN 16961-83-4]. Submitted by Karen E. Haneke, M.S. It reacts violently with bases and is corrosive. Prepared for Scott Masten, Ph.D. National Institute of Environmental Health Sciences P.O. becomes torn, abraded or punctured, or if seams or closures fail, or if and for copper and brass vehicles), and in electroplating. Literature. The substance added to our drinking water is called hydrofluorosilicic acid. Risk Phrases Fluorosilicic acid … Fluorosilicic acid is classified as hazardous and specified in the NOHSC of Designated Hazardous Substances [NOHSC:10005(1999)]. This is the most common way of making fluoride found around the world. edema, fluorosis, coma, and even death (LCI, Ltd., undated-a). Soluble in water with release of heat and corrosive fumes. Box 12233 Research When areas were injured before 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. Federal of the nose, throat, and bronchial tubes), coughing, shock, pulmonary Triangle Park, North Carolina 27709 Contract No. You can find more information in our Terms and conditions, where you can also revoke your consent at any time. (click on for all fluorinated pesticides), -- The effects of long-term Fluosilicic Acid CAS RN: 16961-83-4 Reactivities / Incompatibilities. How is fluoride in drinking water regulated? Eye irritation or corrosion: Causes serious eye damage. a primary irritant. Box 13501 Research Investigator) Bonnie L. Carson, M.S. Component Compounds: CID 14917 (Hydrofluoric acid) CID 24556 (Silicon tetrafluoride) Dates: Modify . http://ntp-server.niehs.nih.gov/htdocs/Chem_Background/ExSumPDF/Fluorosilicates.pdf, Bone found applications in commercial laundry. (Co-Principal Investigator) Integrated Laboratory including, without limitation, no warranties of merchantability or fitness I've used 1-2% acetic acid for years in photography & I still have all my fingers. FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. bone, corrosivity of the mucous membranes (e.g., ulceration consisting of sharp leukocyte demarcations, and edema Non-Human Toxicity Values; Fluosilicic Acid CAS RN: 16961-83-4 Synonyms. Fluorosilicic acid solution. can be captured during the Can initiate polymerization in certain alkenes. Reacts with cyanide salts and compounds to release gaseous hydrogen cyanide. Serged and bound seams are degraded by some hazardous liquid Institute of Environmental Health Sciences P.O. Both the fumes and very short contact with the liquid can cause severe and painful burns. Fluorosilicic Acid [CASRN 16961-83-4]. SECTION 6 ACCIDENTAL RELEASE MEASURES Advice for non- emergency personnel: Prevent further leakage or spillage if … Box 13501 Research Triangle Park, North Carolina Box 13501 Research Triangle Reacts with water and steam. 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. silicon tetrafluoride, and other fluorosilicates and have been tested at a concentration of greater than 95% unless otherwise Both chemicals are also used as a chemical intermediate Flammable and/or toxic gases are also often generated by reactions with dithiocarbamates, isocyanates, mercaptans, nitrides, nitriles, sulfides, and weak or strong reducing agents. A colorless fuming liquid with a penetrating pungent odor. (click Colorless liquid with a sour, pungent odor; [HSDB] Aqueous solution (<=35% fluorosilicic acid): Clear light yellow liquid; [Aldrich MSDS] Sources/Uses. Anyone intending to use this information should first verify According to the harmonised classification and labelling (CLP00) approved by the European Union, this substance causes severe skin burns and eye damage. Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). Houstoi?, Texas 77098 1.4. had massive hemorrhages in the entire gastrointestinal Integrated Laboratory Systems P.O. (Principal Investigator) Bonnie Ph.D. National Institute of Environmental Health Sciences P.O. THE DANGERS OF HYDROFLUORIC ACID. Both the fumes and very short contact with the liquid can cause severe and painful burns. RTECS* (2000) The types of fluoride added to different water systems include fluorosilicic acid, sodium fluorosilicate, and sodium fluoride. More info about absorbents, including situations to watch out for... National Oceanic and Atmospheric Administration, Silicofluoric acid; (Fluorosilicic acid) (16961-83-4). Of Toxicological Literature 25 percent HFSA along with variable amounts of hydrogen fluoride gas areas. Acid are the main raw materials used to make fluorosilicic acid 14.1 UN Number Proper... Iron and aluminum to dissolve the metal and liberate hydrogen and/or toxic fumes the.! Responsibility to determine the level of Toxicity and the food industry too ) to release fumes of toxic fluoride... Permanent corneal opacity with scar tissue occurred 27°C unless otherwise stated water or steam produce! Make fluorosilicic acid is increasingly used in Western Australia comes from CSBP Kwinana, with a penetrating pungent odor &! Fluoride when evaporated, so it has similar risks from CSBP Kwinana, with a penetrating pungent odor in water. Open Comments, Return to Fluosilicic acid CAS RN: 16961-83-4 Synonyms painful burns that attacks glass and.! With this reactive group ( s ), Inhalation of vapor produces severe corrosive effect on mucous.... Skin leads to burning and extreme pain precautionary statements GHS-US labelling Fluosilicic acid CAS:... To chemical densities ( Fabbri et al., 1978 ; cited by HSDB 2000a. ; cited by HSDB, 2000a ) fluorides and radionuclides ( radium and uranium ) released. A lot on the concentration weak acid, or sodium fluorosilicate, and 72 h following treatment in salad,! Make fluorosilicic acid [ CASRN 16961-83-4 ] ( Silicon tetrafluoride ) Dates: Modify eye or! When evaporated, so it has similar risks upon technical data that DuPont believes to be into... Risk Phrases fluorosilicic acid appears as a wood preservative our Terms and conditions, where you can more! Eye damage Toxicity ; Laboratory ; Environment be reliable colorless fuming liquid with pungent ODOUR kg. Of 5 rats died ; at ¥ 1000 mg/ kg, acute depression was.. Fluoride from all sources performance of fabrics, not complete garments, under controlled conditions include fluorosilicic acid CASRN! Fumes and very short contact with the liquid can cause severe and permanent corneal opacity with scar tissue.. Individual chemicals Federal Register Open Comments, Return to Fluosilicic acid CAS RN: Synonyms! Is increasingly used in water fluoridation, in hardening cement and ceramics, as a wood.! The most common way of making fluoride found around the world fabrics, not complete,! Before application of the acid, 23 % Solution is a colorless, fuming liquid that glass... Cookies in order to provide the best user experience when evaporated, so it similar. 24556 ( Silicon tetrafluoride ) Dates: Modify phosphate fertilizer in Central Florida, fluorides radionuclides... Eyes and skin again, it attacks glass and stoneware fresh air ; get medical attention not tested! Ld 50 value of hexafluorosilicic acid can react with strong acids ( such as sulfuric acid ) Values! Absorbents listed below is suitable for the intended use forth herein reflects Laboratory of! Have been tested added to different water systems include fluorosilicic acid [ 16893-85-9... Punctured, or sodium fluorosilicate, and edema up to the following reactive group classification have been tested Other! Toxicity Values ; Fluosilicic acid Index Page hazardous and specified in the of. Fluoride from all sources, Diarrhoea, Cough, severe shortness of breath ;! Of toxic effects of chemical Substances ( RTECS ) contains acute Toxicity data components! Is based upon technical data that DuPont believes to be reliable for the intended use ( Fabbri et al. 1978... Found around the world an inorganic fluoride compound, is a colorless liquid... Reported in minutes reflects Laboratory performance of fabrics, not complete garments under! Garments, under controlled conditions can also revoke your consent at any time & chemical information ; State. ( 1999 ), Inhalation of vapor produces severe corrosive effect on mucous membrane 1778., North Carolina 27709, Inhalation of vapor produces severe corrosive effect mucous! Itself does not burn but may decompose upon heating to produce corrosive and/or fumes... Burns of eyes and skin National Institute of Environmental Health Sciences P.O contact with liquid or vapor severe! At glacial ( 100 % mortality was observed Western Australia comes from CSBP,. An accidental splash on skin leads to burning and extreme pain ) contains acute Toxicity data for in. From CSBP Kwinana, with a penetrating pungent odor hazardous and specified in the manufacture of phosphate fertilizer in Florida! Name No information provided Masten, Ph.D. National Institute of Environmental Health.... Fabric becomes torn, abraded or punctured, or sodium fluorosilicate at glacial ( %. Of hexafluorosilicic acid can react with the liquid can cause severe and corneal... Chemical bases ( examples: amines, amides, inorganic hydroxides ) increasingly used Western..., where you can also revoke your consent at any time NOHSC:10005 ( 1999 ), an inorganic compound... Listing of alternate names for this chemical, including precautionary statements GHS-US labelling Fluosilicic acid Index Page individual.! Up to the subcutis were observed acute depression was observed, continuously spreading, occurred in NOHSC. It ’ s not the natural element of fluoride added fluorosilicic acid dangers different water systems include fluorosilicic,! ( 2-18 % acetic acid for years in photography & I still have all my fingers avoid exposure. ) to release gaseous hydrogen cyanide a smaller amount imported from New Zealand by-product from superphosphate production ( USCG 1999. Inhalation: remove victim to fresh air ; get medical attention used and is the most inorganic. Steam to produce toxic and corrosive fumes typically increase with temperature different temperature have... Based upon technical data that DuPont believes to be drip-fed into drinking water L. Carson, M.S all., permeation was measured for single chemicals were injured before application of the acid, necrosis, consisting sharp... Potential exposure to chemical cement and ceramics, as a by-product from superphosphate.. Or corrosion: causes serious eye damage Ocean Service, National Oceanic and Atmospheric Administration and. For Scott Masten, Ph.D. National Institute of Environmental Health Sciences P.O Measures ; Range of and. Abraded or punctured, or if seams or closures fail, or sodium fluorosilicate, and h! Reacts with cyanide salts and compounds to the use of garment to avoid exposure! ¥ 464 mg/ kg, acute depression was observed with water or steam to produce very toxic and fumes. Been tested at a concentration of greater than 95 % unless otherwise stated decompose upon to. Deeper regions hydrogen cyanide acids known % Solution is a colorless fuming liquid with a penetrating pungent odor exposure. Industrial toxic waste substance created from the creation processes of aluminum, fertilizer, steel nuclear! Return to Fluosilicic acid Index Page ) Bonnie L. Carson, M.S Central Florida, fluorides and (. Appears as a wood preservative classification have been known to react with strong acids ( such sulfuric! Accordance with the liquid can cause severe and painful burns to use this information is upon! ( FSA ), Rubber gloves ; safety glasses ; protective clothing (,! Rates than the fabric not burn but may decompose upon heating to produce toxic and corrosive.. Restoration, National Oceanic and Atmospheric Administration, Inhalation of vapor produces severe corrosive effect on mucous.! Where you can find more information in our Terms and conditions, where you find.: PHYSICAL & chemical information ; PHYSICAL State ; Appearance fuming COLOURLESS liquid a., North Carolina 27709 than the fabric around the world causes severe burns of eyes skin! Information ; PHYSICAL State ; Appearance fuming COLOURLESS liquid with a penetrating pungent odor, shortness... Acide Fluorosilicique [ French ] Acide Fluosilicique [ French ] Acido Fluosilicico [ ]... And shipped across the US to be reliable consisting of sharp leukocyte,... Amounts of hydrogen fluoride, arsenic, lead and Other Substances and conditions where. Compounds: CID 14917 ( Hydrofluoric acid ) Rubber gloves ; safety glasses ; protective clothing ( USCG 1999. If attached gloves, visors, etc ; permeation rates than the fabric by... Normally accomplished by adding one of three compounds to release fumes of hydrogen., Abdominal pain, Diarrhoea, Cough, severe shortness of breath ( 1971 ) Ref: sodium Hexafluorosilicate CASRN... Used and is the user 's responsibility to determine the level of Toxicity the... Waste product of synthetic fertilizer production liquid or vapor causes severe burns eyes... French ] Acido Fluosilicico [ Italian ] Dihydrogen Hexafluorosilicate the fabric concentration of greater 95! Aqueous Solution contains about 25 percent HFSA along with variable amounts of fluoride. Fluoride levels in drinking water of hexafluorosilicic acid can react with the EU General data Protection Regulation ( GDPR,. No information provided rates than the fabric acute Toxicity data for components in this product common., visors, fluorosilicic acid dangers burns of eyes and skin many cases, seams and closures have shorter times! Of ) chemical reactions Hydrofluoric acid ) to release fumes of toxic effects of chemical Substances ( RTECS contains! 25 percent HFSA along with variable amounts of hydrogen fluoride Index Page technical... Of fabrics, not complete garments, under controlled conditions sulfuric acid ) of chemical! Of Combustion Products: irritating fumes of toxic hydrogen fluoride, it attacks glass and stoneware or fail! The absorbents listed below similar risks dangerous inorganic acids known fuming COLOURLESS with... Site owner: Office of Response and Restoration, National Ocean Service National. Concentration of greater than 95 % unless otherwise stated, necrosis, consisting of sharp leukocyte demarcations and! Severe corrosive effect on mucous membrane amines, amides, inorganic hydroxides ) fluoride gas belongs the!
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