Section 1: Product Identification
Chemical Name: Tris(methylcyclopentadienyl)yttrium (99.9%-Y) (REO)
CAS Registry Number: 329735-72-0
Formula: (CH3C5H4)3Y
EINECS Number: none
Chemical Family: metallocene
Synonym: none
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 329735-72-0 100% 1mg/m3 as Y 1mg/m3 as Y
Section 3: Hazards Identification
Emergency Overview: Irritating to skin, eyes and respiratory tract. Moisture may liberate heat and vapors of methylcyclopentadiene.
Primary Routes of Exposure: Ingestion, eyes, inhalation, skin
Eye Contact: Causes slight to mild irritation of the eyes.
Skin Contact: Causes slight to mild irritation of the skin. Moisture can cause hydrolysis and possible thermal burns.
Inhalation: Irritating to the nose, mucous membranes and respiratory tract.
No specific information on the physiological effects of ingestion. Ingestion may lead to thermal burns, vomiting
Ingestion:
and diarrhea.
Acute Health Affects: Irritating to skin, eyes and respiratory tract.
Chronic Health Affects: No information available on long-term chronic effects.
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 in
Inhalation:
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: none
Explosion Limits: none
Extinguishing Medium: carbon dioxide, dry powder
If this product is involved in a fire, firefighters should be equipped with NIOSH approved positive pressure
Special Fire Fighting Procedures:
self-contained breathing apparatus and full protective clothing.
Hazardous Combustion and If involved in a fire this material may emit toxic organic fumes.
Decomposion Products:
Unusual Fire or Explosion Hazards: Flammable solid. Evolves flammable n-methylcyclopentadiene with water.
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: Handle and store the material under an inert atmosphere of nitrogen or argon. Keep away from heat.
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: The material will react with air and moisture. Handle under an inert atmosphere of nitrogen or argon.
If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators
Respirator:
requires a Respiratory Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation: The material will react with air and moisture. Handle under an inert atmosphere of nitrogen or argon.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: yellow xtl.
Molecular Weight: 326.27
Melting Point: no data
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: no data
Odor: none
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air and moisture sensitive
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: Contact with air or water.
Incompatibility: Water, alcohols, oxidizers, oxygen, halogens, halocarbons, mineral acids.
Decomposition Products: carbon monoxide, carbon dioxide, yttrium oxide and organic fumes.
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): 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
