39373-27-8

Synonym:dirhodium trioxide, pentahydrate

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Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound39373-27-8100%1mg/m3 (as Rh0.1mg/m3 (as Rh

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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

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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.

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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 andNo hazardous combustion or decomposition products.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

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SECTION 6: Accidental Release Measures
Spill and Leak Procedures:Small spills can be mixed with vermiculite or sodium carbonate and swept up.

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SECTION 7: Handling and Storage
Handling and Storage:Store in a tightly sealed container. Handle fine powders in a well-ventilated area.

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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

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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

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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

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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

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SECTION 12: Ecological Information
Ecological Information:No data available

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SECTION 13: Disposal Considerations
Disposal:Dispose of according to local, state and federal regulations.

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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

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SECTION 15: Regulatory Information
TSCA:Not listed in the TSCA inventory.
SARA (Title 313):Title compound not listed.
Second Ingredient:none

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SECTION 16 - ADDITIONAL INFORMATION
N/A