Section 1: Product Identification
Chemical Name: Dimethylbis(t-butylcyclopentadienyl)hafnium (IV), min. 98%
CAS Registry Number: 68193-45-3
Formula: [(C4H9)C5H4]2Hf(CH3)2
EINECS Number: none
Chemical Family: metallocene
Synonym: Hafnium, dimethylbis[(1,2,3,4,5-.eta.)-t-butyl-2,4-cyclopentadiene-1-yl]
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title compound 68193-45-3 100% 0.5mg/m3 (as Hf) 0.5mg/m3 (as Hf)
Section 3: Hazards Identification
Emergency Overview: Irritating to skin, eyes, and respiratory tract.
Primary Routes of Exposure: Skin, eyes, inhalation
Eye Contact: Causes mild to moderate irritation of the eyes.
Skin Contact: Causes slight to mild irritation of the skin.
Inhalation: Dust is irritating to the nose, mucous membranes and respiratory tract.
Ingestion: No information is available on the physiological effects of ingestion.
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: no data
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: carbon dioxide, foam or 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.
Hazardous Combustion and If involved in a fire this material may release toxic and corrosive fumes.
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
The material will degrade on prolonged exposure to air and moisture. Store under an inert atmosphere of
Handling and Storage:
nitrogen or argon. Keep bottle tightly sealed and away from heat and light.
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 protective clothing and gloves.
Ventilation: 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 Respiratory
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation: 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:
Molecular Weight: 450.96
Melting Point: no data
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: no data
Odor: not determined
Solubility in Water: reacts with water
SECTION 10: Stability and Reactivity
Stability: air and moisture sensitive
Hazardous Polymerization: No hazardous polymerization.
Conditions to Avoid: none
Incompatibility: water, air, oxidizing agents, halogens
Decomposition Products: hafnium oxide, carbon monoxide, carbon dioxide, and organic fumes.
SECTION 11: Toxicological Information
RTECS Data: No information available in the RTECS files.
Carcinogenic Effects: no data
Mutagenic Effects: no data
Tetratogenic Effects: no data
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
