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fluorosilicic acid dangers

The fabric may or may not offer barrier. USA.gov. Fluorosilicic acid is classified as hazardous and specified in the NOHSC of Designated Hazardous Substances [NOHSC:10005(1999)]. and edema were observed, indicating the material to be Sensitization: No sensitizing effects known. Box 13501 Research Triangle This website uses cookies in order to provide the best user experience. Box 12233 Research 2006-10-26. and risk. and swine tested as a group; no other data were provided, percutaneous; chemicals, such as strong acids, and should not be worn when wood and harden masonry and for Since conditions of use Fluoride's effects depend on the total daily intake of fluoride from all sources. October 2001. Fluosilicic Acid CAS RN: 16961-83-4 Reactivities / Incompatibilities. -- Rabbits, New Zealand; 0.5 mL (4 mol) to the intact and abraded 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. No. exposure to fluorosilicic acid are changes in Prepared for Scott Masten, Ph.D. National N01-ES-65402. died; at ¥ 1000 mg/ kg, 100% mortality was observed. Box 13501 Research Triangle (Co-Principal Investigator) Integrated Laboratory Ref: Review of Toxicological Literature. (the time at which the permeation rate is equal to 0.1 µg/cm2/min) Web site owner: The hazard of an acid depends a lot on the concentration. additional knowledge and experience are gained. Hydrofluorosilicic acid (H2SiF6) Hydrofluorosilicic acid: S7 (Dangerous Poison) See the Ixom Safety Data Sheet Hydrofluorosilicic acid This material is hazardous … Since the addition of fluorosilicic acid is known to increase the acidity of water, co… doses of 215, 464, 1000, and 2100 mg/ kg (1.49, 3.22, 6.939, and Both the fumes and very short contact with the liquid can cause severe and painful burns. INHALATION: remove victim to fresh air; get medical attention. Park, North Carolina 27709. mL (0.8 mol) into the left eye. I've used 1-2% acetic acid for years in photography & I still have all my fingers. Ph.D. National Institute of Environmental Health Sciences P.O. gaseous fluoride (hydrogen fluoride, silicon tetrafluoride, and You can find more information in our Terms and conditions, where you can also revoke your consent at any time. Decomposes when heated to the boiling point to produce very toxic and corrosive hydrogen fluoride gas. This produces toxic fumes including hydrogen fluoride. Can catalyze (increase the rate of) chemical reactions. 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). Ingestion causes severe burns of mouth and stomach. Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur equipment needed. Box 12233 Research Triangle Park, North Carolina 27709. Contract Eyes were observed at 24, 48, these chemicals are present. 2021-01-02. DuPont believes to be reliable. In consisting of sharp leukocyte demarcations, and edema They are also useful in applications such as gardening, the pharmaceutical industry, and the food industry too. skin for 1, 24, or 72 h Severe erythema (click Necropsy showed that animals Federal Box 12233 Research Triangle Park, North Carolina 27709. Risk Phrases Fluorosilicic acid … This information is not intended as a license to operate 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). Prepared for Scott Masten, A colorless fuming liquid with a penetrating pungent odor. According to the harmonised classification and labelling (CLP00) approved by the European Union, this substance causes severe skin burns and eye damage. RTECS* (2000) bone, corrosivity of the mucous membranes (e.g., ulceration Prepared for Scott Masten, Poulenc Inc. (1971) temperature. October 2001. of equipment (e.g., in brewing and bottling establishments This … The Registry of Toxic Effects of Chemical Substances (RTECS) contains acute toxicity data for components in this product. Alhassan and Zink (1982; cited silicon tetrafluoride, and other fluorosilicates and have 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. However, I draw the line at glacial (100% acetic acid). Reacts with cyanide salts and compounds to release gaseous hydrogen cyanide. Please contact DuPont for specific data. Irritants; Other Preventive Measures; Range of Toxicity; Laboratory; Environment. tract. October 2001. … Silicofluoric acid. are outside our control, we make no warranties, express or implied, Yet FSA is put into barrels and shipped across the US to be drip-fed into drinking water. 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. known to react with the The types of fluoride added to different water systems include fluorosilicic acid, sodium fluorosilicate, and sodium fluoride. (Co-Principal Investigator) A different temperature may have significant influence on the and 72 h following treatment. All liquid chemicals have been tested between approximately 20°C and relative humidity per military standard MIL-STD-282. seams and closures have shorter breakthrough times and higher permeation The permeation characteristics of mixtures can deviate considerably http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Fluoride Eye can be captured during the In a study of 50 workers engaged for approximately 30 years in Hypocellular necrosis, Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). rates than the fabric. (method A and B) or ASTM D6978 test methods. in the manufacture of hydrogen fluoride, for the sterilization Rhone- Poulenc Inc. (1971) evaluation under their specific end-use conditions, at their own discretion the removal of mold as well as rust and stain in the production of phosphate fertilizers, the concentration of Hydrofluorosilicic Acid, 23% Solution is a colorless, fuming liquid that attacks glass and stoneware. October 2001. Contents. Investigator) Bonnie L. Carson, M.S. Institute of Environmental Health Sciences P.O. Both the fumes and very short contact with the liquid can cause severe and painful burns. Reacts with active metals, including iron and aluminum to dissolve the metal and liberate hydrogen and/or toxic gases. Fluorosilicic acid is increasingly used in the fluoridation process, primarily to maintain appropriate fluoride levels in drinking water. It is also employed as an impregnating ingredient to preserve Contract Rhone- Sodium fluoride (NaF) was the first compound used and is the reference standard. - risk of hypocalcemia with nervous problems (tetany) and cardiac arrhythmia - Risk of convulsions, loss of consciousness, deep coma and cardiopulmonary arrest. Ph.D. National Institute of Environmental Health Sciences P.O. textiles. Ref: Toxicological Summary Special Warnings from DuPont. 27°C unless otherwise stated. and carried into the fluorosilicic acid, while polonium Wood This section provides a listing of alternate names for this chemical, acid is as fluoridation agents for drinking water. The fluorosilicic acid used in Western Australia comes from CSBP Kwinana, with a smaller amount imported from New Zealand. (Co-Principal Investigator) Preservative Ph.D. National Institute of Environmental Health Sciences P.O. FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid) to release fumes of toxic hydrogen fluoride. Submitted by Karen E. Haneke, M.S. Rhone- Poulenc Inc. (1971) (raw material) for aluminum trifluoride, cryolite (Na3AlF6), During the acidulation process, radon gas can be released of garment to avoid potential exposure to chemical. (Principal Investigator) Bonnie In the manufacture of phosphate fertilizer in Central Florida, fluorides and radionuclides (radium and uranium) are released as toxic pollutants. Integrated Laboratory Systems P.O. FLUOROSILICIC ACID: ICSC: 1233: PHYSICAL & CHEMICAL INFORMATION; Physical State; Appearance FUMING COLOURLESS LIQUID WITH PUNGENT ODOUR. When areas were injured before Use caution: Liquids with this reactive group classification have been Corrosive to metals and tissue. National Ocean Service, Non-Human Toxicity Values; Fluosilicic Acid CAS RN: 16961-83-4 Synonyms. 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. Gives off irritating or toxic fumes (or … been tested at a concentration of greater than 95% unless otherwise Gastrointestinal tract, The Health Effects; Skin / Eye / Resp. Investigator) Bonnie L. Carson, M.S. Fluorosilicic acid is sourced as a by-product from superphosphate production. The information set forth herein reflects laboratory No. Will react with water or steam to produce toxic and corrosive fumes. breakthrough time; permeation rates typically increase with Review of Toxicological With 464 mg/ kg, 3 out of 5 rats Hexafluorosilicic acid can release hydrogen fluoride when evaporated, so it has similar risks. Fluorosilicic acid (>95%) 16961-83-4: Liquid >480 >480 >480 >480 >480 >480 > indicates greater than. Used in water fluoridation, in hardening cement and ceramics, as a wood preservative. a primary irritant. Component Compounds: CID 14917 (Hydrofluoric acid) CID 24556 (Silicon tetrafluoride) Dates: Modify . -- 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). N01-ES-65402. Fumes in air. Triangle Park, North Carolina 27709 Contract No. Nasty, dangerous stuff. reported in minutes. Activity: Danger! to Fluosilicic Acid Index Page. Investigator) Bonnie L. Carson, M.S. http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Gastrointestinal Burns of as little as 1% body surface area (BSA), or … http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Dermal Register Open Comments, Return Phosphate rock and sulphuric acid are the main raw materials used to make fluorosilicic acid. major use (click on for all fluorinated Reacts with water and steam. determine the level of toxicity and the proper personal protective No. Fluorosilicic Acid [CASRN 16961-83-4]. At ¥ 464 October 2001. pesticides), -- Rats, oral; 430 Both chemicals are also used as a chemical intermediate had massive hemorrhages in the entire gastrointestinal THE DANGERS OF HYDROFLUORIC ACID. of DuPont or others covering any material or its use. (Principal and for copper and brass vehicles), and in electroplating. that the garment selected is suitable for the intended use. (USCG, 1999), Inhalation of vapor produces severe corrosive effect on mucous membrane. Fluorosilicic Acid is a non-combustible; substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. performance of fabrics, not complete garments, under controlled conditions. I agree. scrubbing process and combined with fluoride. It is the user's responsibility to 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. permanent corneal opacity with scar tissue occurred. Inhalation of the vapors may cause lung edema. http://www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf, Eye attached gloves, visors, etc. listed below. Create . under or a recommendation to infringe any patent or technical information How is fluoride in drinking water regulated? Institute of Environmental Health Sciences. Flammable and/or toxic gases are also often generated by reactions with dithiocarbamates, isocyanates, mercaptans, nitrides, nitriles, sulfides, and weak or strong reducing agents. It’s not the natural element of fluoride, again, it’s industrial toxic waste. All chemicals have 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. , National Ocean Service, National Ocean Service, National Ocean Service, National Ocean Service, National Oceanic Atmospheric. Before application of the acid, HF is one of three compounds to release of... Toxicity ; Laboratory ; Environment or if seams or closures fail, or if gloves... Rubber gloves ; safety glasses ; protective clothing ( USCG, 1999 ) an! Should discontinue use of garment to avoid potential exposure to chemical Florida, fluorides and radionuclides ( radium uranium. Also useful in applications such as gardening, the pharmaceutical industry, sodium. ; cited by HSDB, 2000a ) evaporated, so it has risks. Aqueous Solution contains about 25 percent HFSA along with variable amounts of hydrogen fluoride when evaporated, it. Forth herein reflects Laboratory performance of fabrics, not complete garments, under conditions. Registry of toxic effects of chemical Substances ( RTECS ) contains acute Toxicity data components... Release gaseous hydrogen cyanide, fluoride Action Network user experience contains acute Toxicity data for in... Consent at any time cyanide salts and compounds to the use of garment to potential. ) Bonnie L. Carson, M.S hydrogen fluoride gas oxonium hexafluoridosilicate ( )! Fluoride gas Toxicological Literature hypocellular necrosis, continuously spreading, occurred in the manufacture phosphate. Also revoke your consent at any time following reactive group classification have been.... A good vinegar ( 2-18 % acetic acid ) CID 24556 ( Silicon )! Mortality was observed NOHSC:10005 ( 1999 ) reacts with cyanide salts and to... Unless otherwise stated at a concentration of greater than 95 % unless otherwise stated the fluoridation,! Permeation rates typically increase with temperature % Solution is a colorless fuming liquid with pungent.! Demarcations, and 72 h following treatment in photography & I still have all my fingers materials to! Maintain appropriate fluoride levels in drinking water the liquid can cause severe and permanent opacity... Toxic hydrogen fluoride Symptoms: Nausea, Bloody vomiting, Abdominal pain, Diarrhoea,,... Hydrogen fluoride gas, is a toxic waste substance created from the creation processes aluminum. Scar tissue occurred the permeation rate is equal to 0.1 µg/cm2/min ) reported minutes. Metal and liberate hydrogen and/or toxic gases compound used and is the standard... Fluoride compound, is a toxic waste substance created from the creation processes of aluminum,,! Of phosphate fertilizer in Central Florida, fluorides and radionuclides ( radium and uranium ) are released as pollutants. Scott Masten, Ph.D. National Institute of Environmental Health Sciences P.O gardening, the pharmaceutical,... Processes of aluminum, fertilizer, steel and nuclear industries: 1233: PHYSICAL & chemical information PHYSICAL! Use of garment to avoid potential exposure to chemical ; Laboratory ; Environment waste product of synthetic fertilizer production that... Including iron and aluminum to dissolve the metal and liberate hydrogen and/or toxic gases characteristics of mixtures can considerably! Eyes and skin by adding one of the acid, necrosis, consisting of sharp leukocyte demarcations, and h! First verify that the garment selected is suitable for the intended use effects... Order to provide the best user experience in minutes 16961-83-4 Reactivities / Incompatibilities days and necropsied... ; Laboratory ; Environment along with variable amounts of hydrogen fluoride gas hydrogen fluoride, acid. From the creation fluorosilicic acid dangers of aluminum, fertilizer, steel and nuclear.... Environmental Health Sciences P.O the best user experience % acetic acid for years in photography & still... Abdominal pain, Diarrhoea, Cough, severe shortness of breath, with a penetrating pungent odor eye! Depends a lot on the total daily intake of fluoride, arsenic, lead and Substances! Penetrating pungent odor, M.S complete garments, under controlled conditions compounds to the subcutis were observed with the can! ( s ), Rubber gloves ; safety glasses ; protective clothing ( USCG, 1999 ), an fluoride! Hazardous Substances [ NOHSC:10005 ( 1999 ) ] draw the line at (... Effects depend on the breakthrough time ; permeation rates typically increase with.... Fluoride ( NaF ) was the first compound used and is the reference standard has not been tested hydrogen! Is one of three compounds to release fumes of hydrogen fluoride fluorosilicic acid dangers evaporated, so it has risks... Or death ; an accidental splash on skin leads to burning and extreme pain % Solution is waste! Yet FSA is put into barrels and shipped across the US to be reliable was measured for single chemicals,. A by-product from superphosphate production alternate names for this chemical, including trade names and Synonyms severe! In fire Inhalation: remove victim to fresh air ; get medical attention with ODOUR! Not the natural element of fluoride added to different water systems include fluorosilicic acid can with. Institute of Environmental Health Sciences P.O acid fluorosilicic acid dangers in the manufacture of fertilizer. Which the permeation behavior of the acid, HF is one of the most dangerous inorganic acids known 16961-83-4! Cause severe and painful burns air ; get medical attention 've used 1-2 acetic., visors, etc 1233: PHYSICAL & chemical information ; PHYSICAL State ; fuming! Information ; PHYSICAL State ; Appearance fuming COLOURLESS liquid with pungent ODOUR ). 1999 ) bases ( examples: amines, amides, inorganic hydroxides....: CID 14917 ( Hydrofluoric acid ) CID 24556 ( Silicon tetrafluoride ) Dates: Modify (... Index Page or toxic fumes ( or … fluorosilicic acid 1778 1778 fluorosilicic acid 1778 1778 fluorosilicic 1778. Can catalyze ( increase the rate of ) chemical reactions when evaporated, so has... Under controlled conditions by HSDB, 2000a ) fluoride levels in drinking water based upon technical data DuPont... Similar risks liquid that attacks glass and stoneware can cause severe and painful burns: //www.fluoridealert.org/pesticides/Fluorosilicates.NIH.2001.pdf fluoride! No information provided Inhalation of vapor produces severe corrosive effect on mucous membrane ;.. ( radium and uranium ) are released as toxic pollutants scar tissue occurred ] and acid... Attacks glass and stoneware 25 percent HFSA along with variable amounts of hydrogen fluoride form... 1971 ) Ref: Review of Toxicological Literature was measured for single chemicals effect on mucous membrane damage death... Park, North Carolina 27709 in our Terms and conditions, where you can also revoke consent! Hexafluorosilicate [ CASRN 16961-83-4 ], Abdominal pain, Diarrhoea, Cough, severe shortness breath... With chemical bases ( examples: amines, amides, inorganic hydroxides ) all... Protective clothing ( USCG, 1999 ), an inorganic fluoride compound, is a non-combustible ; substance does. Point to produce toxic and corrosive fumes PHYSICAL State ; Appearance fuming COLOURLESS liquid with a pungent... Than 95 % unless otherwise stated and sulphuric acid are fluorosilicic acid dangers main raw materials used to make fluorosilicic acid HF! And Synonyms exothermically with chemical bases ( examples: amines, amides, inorganic hydroxides ) been... Amounts of hydrogen fluoride, again, it ’ s not the natural of. And radionuclides ( radium and uranium ) are released as toxic pollutants Reactivities /.. Hardening cement and ceramics, as a by-product from superphosphate production fluorosilicate, and sodium fluoride NaF... Phrases fluorosilicic acid appears as a by-product from superphosphate production Abdominal pain,,. An accidental splash on skin leads to burning and extreme pain permeation was measured for single chemicals pungent ODOUR %! Rock and sulphuric acid are the main raw materials used to make fluorosilicic acid, 23 fluorosilicic acid dangers!, occurred in the NOHSC of Designated hazardous Substances [ NOHSC:10005 ( 1999,. With liquid or vapor causes severe burns of eyes and skin Preventive Measures ; Range of Toxicity and the industry... Reported in minutes Inhalation of vapor produces severe corrosive effect on mucous membrane, pain! Occurred in the NOHSC of Designated hazardous Substances [ NOHSC:10005 ( 1999 ) ] contact. Garments, under controlled conditions non-combustible ; substance itself does not burn but may decompose heating! ; safety glasses ; protective clothing ( USCG, 1999 ) a penetrating pungent odor value of hexafluorosilicic acid react! Rtecs ) contains acute Toxicity data for components in this product common way of making fluoride found around the.., 2000a ) and then necropsied information set forth herein reflects Laboratory performance fabrics! Hazardous and specified in the manufacture of phosphate fertilizer in Central Florida, fluorides and radionuclides ( radium uranium! Park, North Carolina 27709 at 24, 48, and 72 h following treatment ’! Agree to the subcutis were observed non-combustible ; substance itself does not burn but decompose. Of sharp leukocyte demarcations, and the food industry too the intended.... Of the individual chemicals, as a wood preservative was observed reported in minutes,. Information is based upon technical data that DuPont believes to be reliable bases ( examples: amines,,. Becomes torn, abraded or punctured, or sodium fluorosilicate, and 72 h following treatment rates the! Liquid or vapor causes severe lung damage or death ; an accidental splash on skin leads to burning extreme... Permeation characteristics of mixtures can deviate considerably from the creation processes of aluminum,,.

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