---

Section 1: Product Identification
   Chemical Name:       Methallylnickel chloride dimer    
   CAS Registry Number:       12145-60-7    
   Formula:       [C4H7NiCl]2    
   EINECS Number:       none    
   Chemical Family:       organometallic complexes    
   Synonym:       Chloro(methallyl)nickel (II) dimer    

---

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title compound       12145-60-7       100%       0.2mg/m3(as Ni)       1mg/m3 (as Ni)    

---

Section 3: Hazards Identification
   Irritating to skin, eyes and respiratory tract. Dust may cause headaches, sore throat, shortness of breath and
   Emergency Overview:
   lung damage. Ingestion of large amounts may cause convulsions and asphyxia. May cause cancer.
   Primary Routes of Exposure:       Ingestion, inhalation, skin, eyes    
   Eye Contact:       Causes mild to moderate irritation to the eyes. May cause redness and pain.    
   Skin Contact:       Causes moderate irritation of the skin with redness or rash. Prolonged contact may cause dermatitis.    
   Inhalation:       Inhalation causes irritation to the nose, mucous membranes and respiratory tract.    
   Ingestion:       Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness and convulsions.    
   Irritating to skin, eyes and respiratory tract. May causes intestinal disorders, convulsions, asphyxia,
   Acute Health Affects:
   sensitization dermatitis, allergic asthma and pneumonitis. May cause cancer.
   Prolonged exposure to nickel and nickel compounds may lead to skin irritation and dermatitis. May cause
   Chronic Health Affects:
   cancer.
   NTP:       Yes    
   IARC:       Yes    
   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:       no data    
   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.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: No unusual fire or explosion hazard.

---

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
   Keep material in a tightly sealed container. Store cold. Prolonged exposure to moisture will result in
   Handling and Storage:
   degradation of the product. Handle and store under an inert atmosphere of nitrogen or argon.

---

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:       Handle the material in an efficient fume hood.    
   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 in an efficient fume hood.    
   Additional Protection:       No additional protection required.    

---

SECTION 9: Physical and Chemical Properties
   Color and Form:       orange-brown xtl.    
   Molecular Weight:       298.49    
   Melting Point:       none    
   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 sensitve, moisture sensitive (store cold)    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       moisture sensitive (store cold)    
   Incompatibility:       oxygen, oxidizing agents and halogens    
   Decomposition Products:       carbon dioxide, carbon monoxide, organic fumes, hydrochloric acid and chloride.    

---

SECTION 11: Toxicological Information
   RTECS Data:       No information available in the RTECS files.    
   Carcinogenic Effects:       Carcinogen (as Ni)    
   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):       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):       See category code N495 for reporting.    
   Second Ingredient:       none    

---

SECTION 16 - ADDITIONAL INFORMATION
N/A