dimethylzinc
CAS No.: 544-97-8
Synonyms:
Formula: C2H6Zn
Exact Mass: 93.97610
Molecular Weight: 95.44900
PSA: 0.00000
LogP: 1.16510
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,
   Inhalation:
   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
   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:       -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
   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    


SECTION 16 - ADDITIONAL INFORMATION
N/A

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