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RHODIUM ICSC: 1247
Date of Peer Review: October 2004

(powder)
CAS # 7440-16-6 Rh
RTECS # VI9069000 Atomic mass: 102.9
UN #
EC Index #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE See Chemical dangers.

In case of fire in the surroundings: use appropriate extinguishing media.
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.
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 PACKAGING & LABELLING
Sweep spilled substance into covered containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. Personal protection: P2 filter respirator for harmful particles.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE

See Chemical Dangers.
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 2005

SEE IMPORTANT INFORMATION ON BACK
RHODIUM ICSC: 1247
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
GREY TO BLACK POWDER.

CHEMICAL DANGERS:
Reacts violently with halogens causing fire hazard. Rhodium is a catalytic substance and may cause reaction in contact with many organic and inorganic substances, causing fire and explosion hazard.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: 1.0 mg/m as TWA; A4 (not classifiable as a human carcinogen); (ACGIH 2004).
MAK: Carcinogen category: 3B; (DFG 2004).
INHALATION RISK:
A harmful concentration of airborne particles can be reached quickly when dispersed.

EFFECTS OF SHORT-TERM EXPOSURE:
May cause mechanical irritation.

PHYSICAL PROPERTIES
Boiling point: 3695C
Melting point: 1965C
Density: 12.4 g/cm
Solubility in water: none
ENVIRONMENTAL DATA

NOTES
Health effects of exposure to the substance have not been investigated adequately. Recommendations in this card do not apply to water-soluble rhodium compounds.
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 2005