Section 1: Product Identification
Chemical Name: Rhodium (III) oxide pentahydrate, 99%
CAS Registry Number: 39373-27-8
Formula: Rh2O3.5H2O
EINECS Number: none
Chemical Family: metal oxide
Synonym: dirhodium trioxide, pentahydrate
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 39373-27-8 100% 1mg/m3 (as Rh 0.1mg/m3 (as Rh
Section 3: Hazards Identification
Emergency Overview: May be irritating to skin and eyes and respiratory tract.
Primary Routes of Exposure: Ingestion, inhalation
Eye Contact: May be a mild to severe irritant to the eyes.
Skin Contact: May cause slight to mild irritation of the skin.
Inhalation: Do not breath dust. Inhalation of powder may lead to irritation of the respiratory tract.
Ingestion: No information available on the effects of ingestion.
Acute Health Affects: May be irritating to skin, eyes, mucous membranes and respiratory tract. Do not breath dust.
Chronic Health Affects: No information available on health effects of prolonged or repeated exposure.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point: not applicable
Autoignition Temperature: not applicable
Explosion Limits: not applicable
Extinguishing Medium: None. Material is non-flammable.
Special Fire Fighting Procedures: No special fire fighting procedures required for this material.
Hazardous Combustion and No hazardous combustion or decomposition products.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.
SECTION 6: Accidental Release Measures
Spill and Leak Procedures: Small spills can be mixed with vermiculite or sodium carbonate and swept up.
SECTION 7: Handling and Storage
Handling and Storage: Store in a tightly sealed container. Handle fine powders in a well-ventilated area.
SECTION 8: Exposure Controls and Personal Protection
Eye Protection: Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection: Wear appropriate chemical resistant gloves and protective clothing.
Material may form or contain a fine dust that may become airborne during handling. If possible, handle the
Ventilation:
material in an efficient fume hood.
If handling material in the form of a fine dust and ventilation is not available, a respirator should be worn. The
Respirator:
use of respirators requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Material may form or contain a fine dust that may become airborne during handling. If possible, handle the
Ventilation:
material in an efficient fume hood.
Additional Protection: No additional protection required
SECTION 9: Physical and Chemical Properties
Color and Form: yellow pwdr.
Molecular Weight: 253.81 (343.89)
Melting Point: dec.
Boiling Point: no data
Vapor Pressure: not applicable
Specific Gravity: no data
Odor: none
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air and moisture stable solid
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: none
Incompatibility: active metals, and phosphorous
Decomposition Products: none
SECTION 11: Toxicological Information
RTECS Data: No information available in the RTECS files.
Carcinogenic Effects: No data available
Mutagenic Effects: No data available
Tetratogenic Effects: No data available
SECTION 12: Ecological Information
Ecological Information: No data available
SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.
SECTION 14: Transportation
Shipping Name (CFR): Non-hazardous
Hazard Class (CFR): NA
Additional Hazard Class (CFR): NA
Packaging Group (CFR): NA
UN ID Number (CFR): NA
Shipping Name (IATA): Non-hazardous
Hazard Class (IATA): NA
Additional Hazard Class (IATA): NA
Packaging Group (IATA): NA
UN ID Number (IATA): NA
SECTION 15: Regulatory Information
TSCA: Not listed in the TSCA inventory.
SARA (Title 313): Title compound not listed.
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
