International Chemical Safety Cards TIN ICSC: 1535 Sn Atomic mass: 118.7 (powder) ICSC #    1535 CAS #     7440-31-5 RTECS # XP7320000 October 28, 2004 Peer reviewed TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Combustible. NO open flames. Special powder, dry sand, NO other agents. EXPLOSION EXPOSURE PREVENT DISPERSION OF DUST!  •INHALATION Cough. Local exhaust or breathing protection. Fresh air, rest.  •SKIN Protective gloves. Rinse and then wash skin with water and soap.  •EYES Redness. Pain. Safety goggles. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.  •INGESTION Do not eat, drink, or smoke during work. Rinse mouth. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting. Personal protection: P2 filter respirator for harmful particles. Separated from strong oxidants. R: S: SEE IMPORTANT INFORMATION ON BACK ICSC: 1535 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 ICSC: 1535 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: WHITE CRYSTALLINE POWDER PHYSICAL DANGERS: CHEMICAL DANGERS: Reacts withstrong oxidants. OCCUPATIONAL EXPOSURE LIMITS: TLV: (as Sn) 2 mg/m³ as TWA; (ACGIH 2004). MAK: IIb (not established but data is available); (DFG 2004). ROUTES OF EXPOSURE: INHALATION RISK: A harmful concentration of airborne particles can be reached quickly especially if powdered. EFFECTS OF SHORT-TERM EXPOSURE: May cause mechanical irritation tothe respiratory tract. EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: The substance may have effects on the lungs , resulting in a benign pneumoconiosis (stannosis). PHYSICAL PROPERTIES Boiling point: 2260°C Melting point: 231.9°C Density: 7.2 g/cm³ Solubility in water: none ENVIRONMENTAL DATA N O T E S ADDITIONAL INFORMATION ICSC: 1535 TIN (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.