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CAS No.: 544-97-8
Formula: C2H6Zn
Exact Mass: 93.97610
Molecular Weight: 95.44900
PSA: 0.00000
LogP: 1.16510
Reference Price: $567/kg Inquiry Now
dimethylzinc 544-97-8 MSDS

Section 1: Product Identification
   Chemical Name:       Dimethylzinc, 99% (non-returnable cylinder included)    
   CAS Registry Number:       544-97-8    
   Formula:       Zn(CH3)2    
   EINECS Number:       208-884-1    
   Chemical Family:       metal alkyl    
   Synonym:       zinc, dimethyl    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       544-97-8       100%       5 mg/m3 (fume)       5 mg/m3 (fume)    

Section 3: Hazards Identification
   Inhalation of zinc oxide fume produced from this compound in a fire may cause metal fume fever or zinc
   Emergency Overview:
   shakes consisting of chills, fever, muscular pain, nausea, and vomiting. May cause thermal burns.
   Primary Routes of Exposure:       Eyes, skin, and inhalation of combustion products.    
   Eye Contact:       Direct contact of liquid with the eyes will cause thermal burns and possible blindness.    
   Skin Contact:       Liquid bursts in to flame in air, causing thermal burns to skin.    
   Fume cause burns to the nose, mucous membranes and respiratory tract causing metallic taste, dry throat,
   and chills.
   Ingestion:       Ingestion is an unlikely mode of entry as the material is pyrophoric.    
   Acute Health Affects:       Cause burns to skin, eyes and respiratory tract. Inhalation may cause chills and nausea.    
   No serious long-term chronic effects associated with zinc compounds. Prolonged inhalation may cause
   Chronic Health Affects:
   laryngitis. Prolonged ingestion may cause constipation.
   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 a large volume of water applied rapidly. Remove contaminated clothes if
   Skin Exposure:
   necessary. Seek medical assistance if irritation persists.
   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.
   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:       -1°F    
   Autoignition Temperature:       pyrophoric    
   Explosion Limits:       no data    
   Extinguishing Medium:       Vermiculite, sand, dry chemical. Use no water    
   If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure
   Special Fire Fighting Procedures:
   self- contained breathing apparatus and full protective clothing.
   Hazardous Combustion and       If involved in a fire this material may emit irritating zinc fume.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Pyrophoric material. Material will ignite spontaneously on contact with air.

SECTION 6: Accidental Release Measures
   Material will ignite spontaneously in air and emit dense white irritating smoke. Leave the area unless fitted with
   Spill and Leak Procedures:
   a self-contained breathing apparatus. Smother fire with dry powder. Do not use water.

SECTION 7: Handling and Storage
   Store in a steel cylinder under dry argon or nitrogen. Transfer using metal, not plastic materials. Expect fire
   Handling and Storage:
   when disassembling used piping. Do not use flammable solvents to clean out piping.

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:       This product must only be handled in an efficient fume hood.    
   If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
   Protection Program to be in compliance with 29 CFR 1910.134.
   Ventilation:       This product must only be handled in an efficient fume hood.    
   Additional Protection:       Wear full face shield, lab apron and suitable gloves.    

SECTION 9: Physical and Chemical Properties
   Color and Form:       colorless liq.    
   Molecular Weight:       95.44    
   Melting Point:       -42°C    
   Boiling Point:       46°C    
   Vapor Pressure:       123mm (0°C)    
   Specific Gravity:       1.386 (20°C)    
   Odor:       metallic odor    
   Solubility in Water:       reacts violently with water    

SECTION 10: Stability and Reactivity
   Stability:       moisture sensitive, pyrophoric    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       Contact with air and moisture.    
   Incompatibility:       Water, alcohols, carbonyl compounds, mineral acids, oxidizing agents, air, and chlorinated hydrocarbons.    
   Decomposition Products:       methane and zinc 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:       Very toxic to aquatic organisms. May cause long-term adverse effects in the aquatic environment.    

SECTION 13: Disposal Considerations
   Disposal:       Dispose of according to local, state and federal regulations.    

SECTION 14: Transportation
   Shipping Name (CFR):       Orgaometallic substance, Liquid, Pyrophoric,Water-reactive    
   Hazard Class (CFR):       4.2    
   Additional Hazard Class (CFR):       4.3    
   Packaging Group (CFR):       I    
   UN ID Number (CFR):       UN# 3394    
   Shipping Name (IATA):       Forbidden    
   Hazard Class (IATA):       NA    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       NA    
   UN ID Number (IATA):       UN# 3394    

SECTION 15: Regulatory Information
   TSCA:       Listed in the TSCA inventory.    
   SARA (Title 313):       Title compound: See category N982 for reporting.    
   Second Ingredient:       None    


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