Section 1: Product Identification
Chemical Name: Ruthenium(VIII) oxide (0.5% stabilized aqueous solution)
CAS Registry Number: 20427-56-9
Formula: RuO4
EINECS Number: none
Chemical Family: metal oxide
Synonym: ruthenium tetroxide
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 20427-56-9 0.5% no data no data
Section 3: Hazards Identification
Emergency Overview: Irritating to skin, eyes and mucous membranes. May be harmful if swallowed.
Primary Routes of Exposure: Ingestion, eyes
Eye Contact: Causes slight to mild irritation of the eyes.
Skin Contact: Causes slight to mild irritation of the skin.
Inhalation: Irritating to the nose, mucous membranes and respiratory tract.
Ingestion: No specific information is available on the physiological effects of ingestion.
Acute Health Affects: Irritating to skin, eyes and respiratory tract.
Chronic Health Affects: Exposure to ruthenium tetroxide dust and vapors may cause severe permanent damage to eyes and lungs.
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: Aqueous solution - non-flammable
When dry acts as an oxidizer towards organics. Smothering the fire may not be effective. A NIOSH approved
Special Fire Fighting Procedures:
self contained breathing apparatus should be worn.
Hazardous Combustion and Toxic ruthenium tetroxide could be present in gasses.
Decomposion Products:
Wetting the dried solid with small amounts of alcohols, solvents or combustible powders may lead to ignition
Unusual Fire or Explosion Hazards:
and fire.
SECTION 6: Accidental Release Measures
Small spills should be flushed with sodium bisulfite solution to detoxify ruthenium tetroxide, and then be mixed
Spill and Leak Procedures:
with vermiculite or sodium carbonate and swept up. Do not mix with combustible materials.
SECTION 7: Handling and Storage
Handling and Storage: Store in a cool dark place in tightly closed containers.
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.
Ventilation: Material may form a fine dust or vapor. If possible, handle the material in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation: Material may form a fine dust or vapor. If possible, handle the material in an efficient fume hood.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: yellow liq.
Molecular Weight: 165.7
Melting Point: no data
Boiling Point: (water)
Vapor Pressure: no data
Specific Gravity: no data
Odor: acrid odor
Solubility in Water: material is a water solution
SECTION 10: Stability and Reactivity
Stability: heat sensitive, (store cold, in the dark)
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: The dry powder reacts violently with paper, alcohol, and other combustibles.
Incompatibility: Reducing agents, organic materials, active metals and halogens
Decomposition Products: ruthenium and oxygen
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 information available
SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.
SECTION 14: Transportation
Shipping Name (CFR): Oxidizing liquid, N.O.S.
Hazard Class (CFR): 5.1
Additional Hazard Class (CFR): NA
Packaging Group (CFR): II
UN ID Number (CFR): UN# 3139
Shipping Name (IATA): Oxidizing liquid, N.O.S.
Hazard Class (IATA): 5.1
Additional Hazard Class (IATA): NA
Packaging Group (IATA): II
UN ID Number (IATA): UN# 3139
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