Section 1: Product Identification
2,6-Diisopropylphenylimido neophylidenemolybdenum(VI) bis(hexafluoro-t-butoxide) SCHROCK'S CATALYST
Chemical Name:
CAS Registry Number: 139220-25-0
Formula: Mo(C10H12)(C12H17N)[OC(CH3)(CF3)2]2
EINECS Number: none
Chemical Family: organometallic complexes
Synonym: Schrock's catalyst
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title compound 139220-25-0 100% 10mg/m3( as Mo) 15mg/m3 (as Mo)
Section 3: Hazards Identification
Emergency Overview: May be irritating to skin, eyes and mucous membranes.
Primary Routes of Exposure: Ingestion, inhalation
Eye Contact: May cause mild to moderate irritation of the eyes.
Skin Contact: May cause slight to mild irritation of the skin.
Inhalation: Dust may be irritating to the nose, mucous membranes and respiratory tract.
Ingestion: No specific information is available on the physiological effects of ingestion.
Acute Health Affects: Dust may be irritating to skin, eyes and respiratory tract.
No information available on long-term chronic effects. Product contains fluorine which may generate fluoride
Chronic Health Affects:
ion causing hypocalcaemia, deterioration of bone and tooth structure, kidney and liver damage.
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, dry powder or foam.
If involved in a fire, fire fighters should be equipped with NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
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: No unusual fire or explosion hazards.
SECTION 6: Accidental Release Measures
Small spills can be mixed with vermiculite, sodium carbonate or other suitable non combustible adsorbent and
Spill and Leak Procedures:
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 protective clothing and gloves.
Ventilation: Material may form a fine dust. 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: Material may form a fine dust. 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 to orange powder
Molecular Weight: 765.53
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 (store cold)
Hazardous Polymerization: No hazardous polymerization.
Conditions to Avoid: contact with air and moisture
Incompatibility: oxidizing agents and halogens
Decomposition Products: carbon monoxide, carbon dioxide, organic fumes and molybdenum oxide.
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
