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RHODIUMICSC: 1247 (October 2004)
CAS #: 7440-16-6
EC Number: 231-125-0

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Many reactions may cause fire or explosion.        In case of fire in the surroundings, use appropriate extinguishing media.   

 PREVENT DISPERSION OF DUST!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin   Protective gloves.  Rinse and then wash skin with water and soap. 
Eyes Redness.  Wear safety goggles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
See Chemical Dangers. 
PACKAGING
 
RHODIUM ICSC: 1247
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
GREY-TO-BLACK POWDER. 

Physical dangers
No data. 

Chemical dangers
Reacts violently with halogens. This generates fire hazard. Rhodium is a catalytic substance and may cause reaction in contact with many organic and inorganic substances, causing fire and explosion hazard. 

Formula: Rh
Atomic mass: 102.9
Boiling point: 3695°C
Melting point: 1965°C
Density: 12.4 g/cm³
Solubility in water: none 


EXPOSURE & HEALTH EFFECTS

Routes of exposure
 

Effects of short-term exposure
May cause mechanical irritation. 

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed. 

Effects of long-term or repeated exposure
 


OCCUPATIONAL EXPOSURE LIMITS
TLV: 1 mg/m3, as TWA; A4 (not classifiable as a human carcinogen).
MAK: carcinogen category: 3 

ENVIRONMENT
 

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
  EC Classification
 

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