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RHODIUM TRICHLORIDE, TRIHYDRATE ICSC: 0746
Date of Peer Review: October 1995

Rhodium chloride, trihydrate
CAS # 13569-65-8 Cl3Rh. 3H2O
RTECS # VI9290000 Molecular mass: 263.3
UN #
EC Index #
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: use appropriate extinguishing media.
EXPLOSION


EXPOSURE
PREVENT DISPERSION OF DUST!

Inhalation Cough.
Avoid inhalation of fine dust and mist. Local exhaust or breathing protection.

Skin Redness.
Protective gloves.
Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes Redness.
Safety spectacles.

Ingestion
Do not eat, drink, or smoke during work.

SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. Personal protection: P3 filter respirator for toxic particles.
Unbreakable packaging; put breakable packaging into closed unbreakable container.
EU Classification
UN Classification

EMERGENCY RESPONSE STORAGE

Separated from incompatible materials. 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 TRICHLORIDE, TRIHYDRATE ICSC: 0746
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
RED DELIQUESCENT POWDER.

CHEMICAL DANGERS:
The substance decomposes on heating producing toxic and corrosive fumes including hydrogen chloride (see ICSC 0163). Reacts violently with iron pentacarbonyl and zinc causing explosion hazard.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: 0.01 mg/m as TWA; A4 (not classifiable as a human carcinogen); (ACGIH 2004).
MAK: Carcinogen category: 3B; (DFG 2004).
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion.

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

PHYSICAL PROPERTIES
Melting point (decomposes): 100C
Relative density (water = 1): >1
Solubility in water: very good
ENVIRONMENTAL DATA

NOTES
The name of rhodium chloride is often used both the hydrated and the anhydrous form. Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. Card has been partly updated in October 2005. See sections Occupational Exposure Limits, Emergency Response.
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