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CAS Number: 329735-72-0
Product Catalog

39-5050
Yttrium › Tris(methylcyclopentadienyl)yttrium (99.9%-Y) (REO)
CAS Number: 329735-72-0
MDL Number: MFCD00145485
Molecular Formula: C18H21Y
Molecular Weight: 326.27
Chemical Formula: (CH3C5H4)3Y
Color and Form: yellow xtl.
Note:  

Stability: air sensitive, moisture sensitive

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Download This MSDS
SECTION 1: Product Identification
Chemical Name: Tris(methylcyclopentadienyl)yttrium (99.9%-Y) (REO)
Product Number: 39-5050
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.
Ingestion: No specific information on the physiological effects of ingestion. Ingestion may lead to thermal burns, vomiting and diarrhea.
Acute Health Effects: Irritating to skin, eyes and respiratory tract.
Chronic Health Effects: No information available on long-term chronic effects.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Eye Exposure: Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention.
Skin Exposure: Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists.
Inhalation: Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing or pain. In such cases seek immediate medical assistance.
Ingestion: Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce 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
Special Fire Fighting Procedures: If this product is involved in a fire, firefighters should be equipped with NIOSH approved positive pressure self-contained breathing apparatus and full protective clothing.
Hazardous Combustion and Decomposion Products: If involved in a fire this material may emit toxic organic fumes.
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.
Respirator: If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators requires a Respiratory Protection Program to be in compliance with 29 CFR 1910.134.
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
Third Ingredient: none
SECTION 16: Other Information
Disclaimer: The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information.
Preparation Date: 1/21/2003
Revision Date: 12/23/2011

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