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CAMEO Chemicals <br /> .. ........ <br /> [-:�1 Print <br /> Chemical Datasheet <br /> rte <br /> FLUOROSILICIC ACID <br /> Chemical Identifiers <br /> CAS plumber /NA Number DOT Hazard Label CHRIS Code <br /> 16961-83-4 1778 Corrosive FSL <br /> NFPA'704 <br /> data unavailable <br /> General Description <br /> A colorless fuming liquid with a penetrating pungent odor. Corrosive to metals and tissue. Both the fumes and <br /> very short contact with the liquid can cause severe and painful burns.Used in water fluoridation, in hardening <br /> cement and ceramics,as a wood preservative. <br /> Hazards <br /> Reactivity Alerts <br /> ,Air-Reactive <br /> Air &Water Reactions <br /> Fumes in air.Soluble in water with release of heat and corrosive fumes. <br /> Fire Hazard <br /> Special Hazards of Combustion Products: Irritating fumes of hydrogen fluoride may form in fire. (USCG, <br /> 1999) <br /> Health Hazard <br /> Inhalation of vapor produces severe corrosive effect on mucous membrane. Ingestion causes severe burns of <br /> mouth and stomach. Contact with liquid or vapor causes severe burns of eyes and skin. (USCG, 1999) <br /> Reactivity Profile <br /> FLUOROSILICIC ACID can react with strong acids (such as sulfuric acid)to release fumes of toxic hydrogen <br /> fluoride.Attacks glass and materials containing silica.Reacts exothermically with chemical bases(examples: <br /> amines, amides,inorganic hydroxides).Reacts with active metals,including iron and aluminum to dissolve the <br /> http://127.0.0.1:54673/report?key=CH9379 4/15/2015 <br />