Section 1: Product Identification
Chemical Name: Tetrabenzylhafnium, min. 97%
CAS Registry Number: 31406-67-4
Formula: C28H28Hf
EINECS Number: none
Chemical Family: organometallic complex
Synonym: none
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title compound 31406-67-4 100% 0.5mg/m3 (as Hf) 0.5mg/m3 (as Hf)
Section 3: Hazards Identification
Emergency Overview: May be irritating to skin, eyes and respiratory tract. May be harmful if swallowed.
Primary Routes of Exposure: Ingestion, inhalation
Eye Contact: May cause slight to mild irritation of the eyes.
Skin Contact: May cause slight to mild irritation of the skin.
Inhalation: May be irritating to the nose, mucous membranes and respiratory tract.
Ingestion: No information is available on the physiological effects of ingestion.
Acute Health Affects: May be irritating to skin, eyes, mucous membranes, 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
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: none
Autoignition Temperature: none
Explosion Limits: none
Extinguishing Medium: carbon dioxide, dry powder or foam
Fire fighters should be equipped with a NIOSH approved positive pressure self-contained breathing apparatus
Special Fire Fighting Procedures:
and full protective clothing.
Hazardous Combustion and If involved in a fire this material may emit toxic fumes of carbon monoxide, and hafnium oxide.
Decomposion Products:
Unusual Fire or Explosion Hazards: Flammable solid. Evolves flammable tetramethylcyclopentadiene with water.
SECTION 6: Accidental Release Measures
Keep away from sources of ignition. Small spills can be mixed with vermiculite, sodium carbonate or other
Spill and Leak Procedures:
suitable noncombustible adsorbent and swept up. Do not raise dust.
SECTION 7: Handling and Storage
Store the material under an inert atmosphere of nitrogen or argon in a tightly sealed container. Store cold to
Handling and Storage:
maximize shelf life.
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. Consult with glove manufacturer to determine the proper type of glove.
Ventilation: Handle the material under an inert atmosphere of nitrogen or argon.
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: Handle the material under an inert atmosphere of nitrogen or argon.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: yellow pwdr.
Molecular Weight: 543.01
Melting Point: no data
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: no data
Odor: not determined
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air, moisture and heat sensitive (store cold)
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: heat and ignition sources, air, and moisture
Incompatibility: strong oxidizing agents, mineral acids and 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 federal, state, and local regulations.
SECTION 14: Transportation
Shipping Name (CFR): Flammable solids, Inorganic, N.O.S.
Hazard Class (CFR): 4.1
Additional Hazard Class (CFR): NA
Packaging Group (CFR): II
UN ID Number (CFR): UN# 3178
Shipping Name (IATA): Flammable solid, Inorganic, N.O.S.
Hazard Class (IATA): 4.1
Additional Hazard Class (IATA): NA
Packaging Group (IATA): II
UN ID Number (IATA): UN# 3178
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
