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STANNIC OXIDE ICSC: 0954
Date of Peer Review: October 1997

Tin (IV) oxide
Stannic anhydride
Tin dioxide
CAS # 18282-10-5 SnO2
RTECS # XQ4000000 Molecular mass: 150.70
UN #
EC #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible.

In case of fire in the surroundings: all extinguishing agents allowed.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST!

Inhalation Cough.
Local exhaust or breathing protection.
Fresh air, rest.
Skin
Protective gloves.
Rinse skin with plenty of water or shower.
Eyes
Safety spectacles, or eye protection in combination with breathing protection if powder.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion


SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. (Extra personal protection: P2 filter respirator for harmful particles).
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE


IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 1999

SEE IMPORTANT INFORMATION ON BACK


STANNIC OXIDE ICSC: 0954
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
WHITE OR SLIGHTLY GRAY POWDER

CHEMICAL DANGERS:
Reacts violently with strong reducing agents.

OCCUPATIONAL EXPOSURE LIMITS:
TLV (as tin): 2 mg/m^3 (ACGIH 1997).
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its aerosol.

INHALATION RISK:
Evaporation at 20C is negligible; a harmful concentration of airborne particles can, however, be reached quickly.

EFFECTS OF SHORT-TERM EXPOSURE:
The aerosol of this substance irritates the respiratory tract.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Lungs may be affected by repeated or prolonged exposure to dust particles, resulting in a benign pneumoconiosis (stannosis).
PHYSICAL PROPERTIES
Sublimation point: 1800-1900C
Melting point: 1127C
Density: 6.95 g/cm^3
Solubility in water: none
ENVIRONMENTAL DATA

NOTES
Also called 'flowers of tin'. Occurs in nature as the mineral cassiterite. The commercial grade is also known as 'polishing powder', 'putty powder', or 'tin ash'.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 1999