International Chemical Safety Cards TIN (II) FLUORIDE ICSC: 0860 Stannous fluoride Tin bifluoride Tin difluoride SnF2 Molecular mass: 156.7 ICSC #    0860 CAS #     7783-47-3 RTECS # XQ3450000 UN #        3288 April 22, 2004 Peer reviewed TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire. In case of fire in the surroundings: all extinguishing agents allowed. EXPLOSION EXPOSURE  •INHALATION Cough. Sore throat. Local exhaust or breathing protection. Fresh air, rest.  •SKIN Protective gloves. Rinse skin with plenty of water or shower.  •EYES Redness. Pain. Safety goggles, or eye protection in combination with breathing protection. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.  •INGESTION Abdominal pain. Burning sensation. Shock or collapse. Do not eat, drink, or smoke during work. Give plenty of water to drink. Do NOT induce vomiting. Refer for medical attention. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Sweep spilled substance into covered containers. Personal protection: P2 filter respirator for harmful particles. Separated from acids, chlorine and food and feedstuffs. Do not transport with food and feedstuffs. R: S: UN Hazard Class: 6.1 UN Packing Group: III SEE IMPORTANT INFORMATION ON BACK ICSC: 0860 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

International Chemical Safety Cards TIN (II) FLUORIDE ICSC: 0860 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: WHITE CRYSTALLINE POWDER. PHYSICAL DANGERS: CHEMICAL DANGERS: Reacts with acids to produce hydrogen fluoride . Reacts violently with chlorine causing fire hazard. OCCUPATIONAL EXPOSURE LIMITS: TLV: (as Sn, oxide and inorganic compounds, except tin hydride) 2 mg/m³ as TWA; (ACGIH 2004). TLV: as F 2.5 mg/m³ as TWA; A4; (ACGIH 2004). EU OEL: Tin inorganic compounds, as Sn 2 mg/m³ as TWA (EU 2004). ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. INHALATION RISK: A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered. EFFECTS OF SHORT-TERM EXPOSURE: Corrosive on ingestion. The substance is irritating to the eyes . EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: The substance may have effects on the teeth and bones (fluorosis). PHYSICAL PROPERTIES Boiling point: 850°C Melting point: 213°C Density: 4.57 g/cm3 Solubility in water, g/100 ml at 20°C: 30 ENVIRONMENTAL DATA N O T E S Transport Emergency Card: TEC (R)-61GT5-III ADDITIONAL INFORMATION ICSC: 0860 TIN (II) FLUORIDE (C) IPCS, CEC, 1994

IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.