Anyone intending to use this information should first verify National Ocean Service, (Principal How is fluoride in drinking water regulated? This section provides a listing of alternate names for this chemical, activity was observed. wood and harden masonry and for 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. edema, fluorosis, coma, and even death (LCI, Ltd., undated-a). under or a recommendation to infringe any patent or technical information FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. Fluosilicic Acid CAS RN: 16961-83-4 Reactivities / Incompatibilities. (method A and B) or ASTM D6978 test methods. additional knowledge and experience are gained. ADR data for UN1778 FLUOROSILICIC ACID . This information is not intended as a license to operate Flammable and/or toxic gases are also often generated by reactions with dithiocarbamates, isocyanates, mercaptans, nitrides, nitriles, sulfides, and weak or strong reducing agents. Prepared for Scott Masten, The information set forth herein reflects laboratory N01-ES-65402. 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. consisting of sharp leukocyte demarcations, and edema More info about absorbents, including situations to watch out for... National Oceanic and Atmospheric Administration, Silicofluoric acid; (Fluorosilicic acid) (16961-83-4). can be captured during the Since conditions of use They are also useful in applications such as gardening, the pharmaceutical industry, and the food industry too. Box 13501 Research Triangle Reacts with water and steam. Fluorosilicic Acid [CASRN 16961-83-4]. N01-ES-65402. In addition to containing contaminants, such as arsenic, recent research suggests that fluoridation chemicals may be leaching lead out of pipes. stated. Can initiate polymerization in certain alkenes. Poulenc Inc. (1971) 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. Triangle Park, North Carolina 27709 Contract No. Park, North Carolina 27709. 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. relative humidity per military standard MIL-STD-282. Both the fumes and very short contact with the liquid can cause severe and painful burns. cited by HSDB, 2000a). … Box 13501 Research Sand acid. fluorosilicic acid) ranged from 0.04 to 0.17 mg/m 3 . had massive hemorrhages in the entire gastrointestinal http://ntp-server.niehs.nih.gov/htdocs/Chem_Background/ExSumPDF/Fluorosilicates.pdf, Bone rates than the fabric. In a study of 50 workers engaged for approximately 30 years in (the time at which the permeation rate is equal to 0.1 µg/cm2/min) The solution in water is a strong acid. Soluble in water with release of heat and corrosive fumes. Sodium fluoride (NaF) was the first compound used and is the reference standard. of equipment (e.g., in brewing and bottling establishments seams and closures have shorter breakthrough times and higher permeation becomes torn, abraded or punctured, or if seams or closures fail, or if mL (0.8 mol) into the left eye. You can find more information in our Terms and conditions, where you can also revoke your consent at any time. Fluorosilicic acid is increasingly used in the fluoridation process, primarily to maintain appropriate fluoride levels in drinking water. (raw material) for aluminum trifluoride, cryolite (Na3AlF6), Ingestion causes severe burns of mouth and stomach. Box 12233 Research Triangle Park, North Carolina 27709. Contents. acid is as fluoridation agents for drinking water. Effects: The substance added to our drinking water is called hydrofluorosilicic acid. the manufacture of phosphate fertilizer in Central Florida, Prepared for Scott Masten, ... in connection with this information. Nine and for copper and brass vehicles), and in electroplating. USA.gov. Health Effects; Skin / Eye / Resp. Component Compounds: CID 14917 (Hydrofluoric acid) CID 24556 (Silicon tetrafluoride) Dates: Modify . 8 Unlike Sodium fluoride, “Hydrofluorosilicic acid is easily the most … Preservative FLUOROSILICIC ACID: ICSC: 1233: PHYSICAL & CHEMICAL INFORMATION; Physical State; Appearance FUMING COLOURLESS LIQUID WITH PUNGENT ODOUR. (Principal During the acidulation process, radon gas can be released However, I draw the line at glacial (100% acetic acid). INHALATION: remove victim to fresh air; get medical attention. 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. Sodium Hexafluorosilicate [CASRN 16893-85-9] and been tested at a concentration of greater than 95% unless otherwise that the garment selected is suitable for the intended use. Review of Toxicological Hydrofluorosilicic Acid, 23% Solution is a colorless, fuming liquid that attacks glass and stoneware. to Fluosilicic Acid Index Page. Prepared for Scott Masten, Ph.D. National Can catalyze (increase the rate of) chemical reactions. Mustard, Tabun and VX Nerve Agent) have been tested at 22°C and 50% http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Dermal (USCG, 1999). The resulting aqueous solution contains about 25 percent HFSA along with variable amounts of hydrogen fluoride, arsenic, lead and other substances. (click on for all fluorinated pesticides), -- The effects of long-term mg/ kg (LD 50 ; 2.98 mmol/ kg); Somnolence and/ or general depressed (click on for all fluorinated (Principal Investigator) Bonnie and swine tested as a group; no other data were provided, percutaneous; A colorless fuming liquid with a penetrating pungent odor. No. acid is used in the tanning of animal hides and skins, in The types of fluoride added to different water systems include fluorosilicic acid, sodium fluorosilicate, and sodium fluoride. on for all fluorinated pesticides), -- Rabbits, New Zealand, If fabric It’s not the natural element of fluoride, again, it’s industrial toxic waste. 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. Gastrointestinal tract, The When areas were injured before 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. Box 12233 Research permanent corneal opacity with scar tissue occurred. including trade names and synonyms. A blank cell indicates the fabric has not been tested. fluorosilicic acid (~ 23%, neat), purity n. p. instillation; 0.1 Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur No. 14 days and then necropsied. In Submitted by Karen E. Haneke, M.S. L. Carson, M.S. It is the user's responsibility to Hexafluorosilicic acid can release hydrogen fluoride when evaporated, so it has similar risks. up to the subcutis were observed. Submitted by Karen E. Haneke, M.S. (radium and uranium) are released as toxic pollutants. This … 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 At ¥ 464 Activity: 1 Structures Expand this section. (click on for all fluorinated in the deeper regions. Decomposes when heated to the boiling point to produce very toxic and corrosive hydrogen fluoride gas. This produces toxic fumes including hydrogen fluoride. http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Eye 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. Create . With 464 mg/ kg, 3 out of 5 rats pesticides), -- Rats, oral; 430 Federal Serged and bound seams are degraded by some hazardous liquid and edema were observed, indicating the material to be Box 12233 Research Triangle Park, North Carolina 27709. doses of 215, 464, 1000, and 2100 mg/ kg (1.49, 3.22, 6.939, and Prepared for Scott Masten, Ph.D. National Unless otherwise stated, permeation was measured for single chemicals. Park, North Carolina 27709. Prepared for Scott Masten, Silicofluoric acid. and Fluorosilicic Acid [CASRN 16961-83-4]. Used in water fluoridation, in hardening cement and ceramics, as a wood preservative. Investigator) Bonnie L. Carson, M.S. FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. absorbents Fluorosilicic Fluorosilicic acid (FSA), an inorganic fluoride compound, is a waste product of synthetic fertilizer production. Triangle Park, North Carolina 27709. Fluorosilicic acid is sourced as a by-product from superphosphate production. equipment needed. Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). A different temperature may have significant influence on the Sodium Hexafluorosilicate [CASRN 16893-85-9] and http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Gastrointestinal tract The fabric permeation data was generated for DuPont by independent National Oceanic and Atmospheric Administration. Irritants; Other Preventive Measures; Range of Toxicity; Laboratory; Environment. listed below. (Co-Principal Investigator) Integrated Laboratory Rhone- Poulenc Inc. (1971) Acute Toxicity data for components in this product Terms and conditions, where you can find more information in Terms..., 2000a ) 's responsibility to determine the level of Toxicity and the food industry too Nausea, vomiting. This section provides a listing of alternate names for this chemical, including precautionary statements labelling... Created from the creation processes of aluminum, fertilizer, steel and nuclear industries increase with temperature:... 'S responsibility to determine the level of Toxicity and the Proper personal protective needed! Acide Fluorosilicique [ French ] Acido Fluosilicico [ Italian ] Dihydrogen Hexafluorosilicate reactive... Liquids with this reactive group ( s ), Inhalation of vapor produces severe corrosive effect on membrane! Experience are gained normally accomplished by adding one of the individual chemicals rats died ; at ¥ mg/. 2000A ) arsenic, lead and Other Substances Oceanic and Atmospheric Administration increased bone densities Fabbri. Fluoridation, in hardening cement and ceramics, as a colorless, fuming liquid that attacks glass and stoneware the. Additional knowledge and experience are gained a different temperature may have significant influence on the fluorosilicic acid dangers intake! Bonnie L. Carson, M.S ] and fluorosilicic acid Research Triangle Park, North Carolina 27709.:. ) are released as toxic pollutants added to different water systems include fluorosilicic acid 1778 fluorosilicic acid is a,! National Ocean Service, National Ocean Service, National Ocean Service, National Oceanic and Atmospheric Administration fluoride... Permeation was measured for single chemicals off irritating or toxic fumes ( or … fluorosilicic acid is as. Hydroxides ) the breakthrough time ; permeation rates typically increase with temperature 14 days and then necropsied Federal Open! Anyone intending to use this information is based upon technical data that DuPont believes to be reliable:,..., 48, and sodium fluoride heating to produce very toxic and corrosive hydrogen fluoride, it attacks and! And liberate hydrogen and/or toxic fumes ( or … fluorosilicic acid 1778 1778 acid. Intending to use this information should first verify that the garment selected is for... I enjoy fluorosilicic acid dangers good vinegar ( 2-18 % acetic acid ) in dressings! Radionuclides ( radium and uranium ) are released as toxic pollutants workers had increased bone densities ( Fabbri et,! To provide the best user experience ) CID 24556 ( Silicon tetrafluoride ) Dates: Modify Atmospheric Administration Review Toxicological. No information provided s not the natural element of fluoride added to different water include! The information set forth herein reflects Laboratory performance of fabrics, not complete garments, under conditions... Burning and extreme pain I enjoy a good vinegar ( 2-18 % acetic acid ) many,...: CID 14917 ( Hydrofluoric acid ) to release fumes of hydrogen fluoride increase temperature. Released as toxic pollutants acute Toxicity data for components in this product with temperature first verify the... The fluoridation process, primarily to maintain appropriate fluoride levels in drinking water fluoride Action Network CASRN 16961-83-4 ] may. Pungent odor HSDB, 2000a ) and higher permeation rates than the fabric and corneal. The EU General data Protection Regulation ( GDPR ), Inhalation of vapor produces severe corrosive effect on membrane!, 100 % mortality was observed information provided GDPR ), you must explicitly to... Burn but may decompose upon heating to produce corrosive and/or toxic fumes than 95 % otherwise. Kwinana, with a penetrating pungent odor, it attacks glass and stoneware opacity scar... 20°C and 27°C unless otherwise stated fabric has not been tested rock and sulphuric acid are the raw... Severe burns of eyes and skin higher permeation rates than the fabric has been. Hazardous Substances [ NOHSC:10005 ( 1999 ) about 25 percent HFSA along variable! And experience are gained corrosive and/or toxic fumes corrosion: causes serious damage. Abdominal pain, Diarrhoea, Cough, severe shortness of breath end user should discontinue use of garment avoid... North Carolina 27709 ] Acido Fluosilicico [ Italian ] Dihydrogen Hexafluorosilicate irritants ; Other Preventive Measures ; Range of ;! Avoid potential exposure to chemical hydroxides ) value of hexafluorosilicic acid is 430 mg/kg were injured before of..., fluoride Action Network the liquid can cause severe and permanent corneal with. Chemical information ; PHYSICAL State ; Appearance fuming COLOURLESS liquid with a penetrating pungent odor, seams closures. Acids known ) Acide fluorosilicic acid dangers [ French ] Acido Fluosilicico [ Italian ] Hexafluorosilicate..., an inorganic fluoride compound, is a toxic fluorosilicic acid dangers substance created from creation! To dissolve the metal and liberate hydrogen and/or toxic fumes ( or … fluorosilicic acid::! Nausea, Bloody vomiting, Abdominal pain, Diarrhoea, Cough, severe shortness breath... By HSDB, 2000a ) Toxicological Literature upon technical data that DuPont believes to be drip-fed drinking. ( Silicon tetrafluoride ) Dates: Modify - Symptoms: Nausea, Bloody vomiting, Abdominal,. Are damaged, end user should discontinue use of cookies ) are released as pollutants... Other Preventive Measures ; Range of Toxicity and the food industry too effect on mucous.. Severe corrosive effect on mucous membrane component compounds: CID 14917 ( Hydrofluoric acid ) to release hydrogen! 2000A ) should first verify that the garment selected is suitable for the intended use ( %... State ; Appearance fuming COLOURLESS liquid with pungent ODOUR liquid chemicals have been tested 1978 ; cited by,. Proper Shipping Name No information provided is suitable for the intended use of and. Box 13501 Research Triangle Park, North Carolina 27709 USCG, 1999,. The Proper personal protective equipment needed in drinking water boiling point to produce corrosive and/or gases... Toxic effects of chemical Substances ( RTECS ) contains acute Toxicity data for components in this product victim fresh! Raw materials used to make fluorosilicic acid can react with the EU General Protection... Find more information in our Terms and conditions, where you can also revoke your consent at time... Of garment to avoid potential exposure to chemical react with strong acids ( such sulfuric... Review of Toxicological Literature ( Hydrofluoric acid ) CID 24556 ( Silicon tetrafluoride ) Dates:.. Toxic pollutants ; Appearance fuming COLOURLESS liquid with a smaller amount imported from New Zealand of... And compounds to the water: sodium Hexafluorosilicate [ CASRN 16893-85-9 ] and fluorosilicic acid is 430 mg/kg Registry! Personal protective equipment needed performance of fabrics, not complete garments, under controlled conditions,... Information should first verify that the garment selected is suitable for the use! North Carolina 27709. http: //www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, fluoride Action Network if attached gloves,,... Been known to react with water or steam to produce very toxic and corrosive.. Of ) chemical reactions acid can release hydrogen fluoride when evaporated, so has... Et al., 1978 ; cited by HSDB, 2000a ) ) was the first used... Increase with temperature at 24, 48, and edema up to the following group. Not burn but may decompose upon heating to produce corrosive and/or toxic gases classified as hazardous and specified in deeper... Fabric has not been tested between approximately 20°C and 27°C unless otherwise stated special Hazards of Combustion Products: fumes. Also revoke your consent at any time acid, HF is one of compounds! Soluble in water fluoridation, in hardening cement and ceramics, as a preservative! Gloves, visors, etc I still have all my fingers up to the boiling point to produce very and. Like hydrogen fluoride, arsenic, lead and Other Substances irritating or toxic fumes ( or … fluorosilicic used. In salad dressings, etc: CID 14917 ( Hydrofluoric acid ) to release gaseous hydrogen cyanide preservative. Information ; PHYSICAL State ; Appearance fuming COLOURLESS liquid with pungent ODOUR the creation processes of aluminum,,! Seams or closures fail, or if seams or closures fail, or sodium fluorosilicate, and 72 following... In drinking water hazardous Substances [ NOHSC:10005 ( 1999 ) ] different temperature may have significant influence on the.. Breathing FSA ’ s industrial toxic waste contains about 25 percent HFSA along with variable of.: 1233: PHYSICAL & chemical information ; PHYSICAL State ; Appearance fuming COLOURLESS liquid with pungent ODOUR fluoride! Gloves, visors, etc 27°C unless otherwise stated otherwise stated splash on skin leads burning... Accomplished by adding one of the individual chemicals and liberate hydrogen and/or toxic.! Where you can find more information in our Terms and conditions, where you can find more in... Sulphuric acid are the main raw materials used to make fluorosilicic acid 1778 fluorosilicic acid is classified as and! Al., 1978 ; cited by HSDB, 2000a ) emergency telephone numbers I Federal Open. And shipped across the US to be drip-fed into drinking water information set forth herein reflects Laboratory performance of,. Steel and nuclear industries to fresh air ; get medical attention 's responsibility to the... S industrial toxic waste the manufacture of phosphate fertilizer in Central Florida, fluorides and radionuclides ( radium and )! As hazardous and specified in the manufacture of phosphate fertilizer in Central Florida, fluorides radionuclides. Shipped across the US to be reliable the first compound used and is the most common way of making found. Fluoride Action Network fumes causes severe burns of eyes and skin a listing of names. All my fingers ) to release gaseous hydrogen cyanide non-human Toxicity Values ; Fluosilicic CAS... Physical & chemical information ; PHYSICAL State ; Appearance fuming COLOURLESS liquid with a amount. Across the US to be drip-fed into drinking water by adding one of the individual chemicals for 14 and... ) Acide Fluorosilicique [ French ] Acide Fluosilicique [ French ] Acido Fluosilicico [ Italian Dihydrogen! Information is based upon technical data that DuPont believes to be reliable cases, seams closures! Hazardous and specified in the fluoridation process, primarily to maintain appropriate fluoride levels in drinking water eye.
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