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methylmagnesium chloride

CAS No.: 676-58-4
Formula: CH3ClMg
Exact Mass: 73.97740
Molecular Weight: 74.79250
PSA: 0.00000
LogP: 1.27330
Reference Price: $174/kg Post Buying Request
methylmagnesium chloride 676-58-4 MSDS

Section 1: Product Identification
   Chemical Name:       Methylmagnesium chloride, 3M in THF    
   CAS Registry Number:       676-58-4    
   Formula:       CH3MgCl    
   EINECS Number:       211-629-7    
   Chemical Family:       grignard reagent    
   Synonym:       Chloromethylmagnesium    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       676-58-4       15%       no data       no data    
   tetrahydrofuran       109-99-9       85%       200ppm       560mg/m3    

Section 3: Hazards Identification
   Reacts with moisture in body tissue releasing heat that causes irritation. Vapor can cause drowsiness and
   Emergency Overview:
   unconsciousness. Possible risk of harm to the unborn child and irreversible effects.
   Primary Routes of Exposure:       Ingestion, inhalation, skin, eyes.    
   Eye Contact:       Causes severe irritation to the eyes.    
   Skin Contact:       Causes moderate to severe irritation to the skin.    
   Inhalation of vapor may cause coughing, chest pains, nausea, dizziness, headache, drowsiness and
   unconsciousness. Causes irritation.
   Ingestion:       THF: Can cause liver and kidney damage. Harmful if swallowed.    
   Inhalation of vapor induces drowsiness and may cause coughing, chest pains, difficulty in breathing, nausea,
   Acute Health Affects:       dizziness, headache and unconsciousness. Skin and eye contact results in irritation. Possible risk of harm to    
   the unborn child.
   Tetrahydrofuran is an eye and mucous membrane irritant and can cause liver and kidney damage. Possible
   Chronic Health Affects:
   risk of irreversible 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 immediately with water. Remove contaminated clothing if necessary. Seek medical
   Skin Exposure:
   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 (THF)    
   Autoignition Temperature:       610°F (THF)    
   Explosion Limits:       1.8%-11.8% (THF)    
   Extinguishing Medium:       carbon dioxide or dry powder    
   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 release irritating fumes.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Highly flammable material. Vapors can form explosive mixtures with air.

SECTION 6: Accidental Release Measures
   Eliminate all potential spark sources. Small spills can be absorbed into vermiculite or other chemical adsorbent
   Spill and Leak Procedures:
   suitable for flammable materials. Sweep up the mixture and dispose of properly.

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. Consult with glove manufacturer to determine the proper type of glove.    
   Ventilation:       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 Respirator
   Protection Program to be in compliance with 29 CFR 1910.134.
   Ventilation:       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:       liquid    
   Molecular Weight:       74.81    
   Melting Point:       no data    
   Boiling Point:       no data    
   Vapor Pressure:       no data    
   Specific Gravity:       no data    
   Odor:       ethereal    
   Solubility in Water:       reacts with water    

SECTION 10: Stability and Reactivity
   Stability:       air and moisture sensitive    
   Hazardous Polymerization:       no hazardous polymerization    
   Conditions to Avoid:       Heat, ignition sources, contact with moisture.    
   Incompatibility:       water, alcohols, oxidizers, halogens, mineral acids, air, carbonyl compounds, carbon dioxide.    
   Decomposition Products:       Carbon monoxide, carbon dioxide, magnesium salts, and organic fumes.    

SECTION 11: Toxicological Information
   No information available in the RTECS files for title compound. THF: Inhalation (human); TCLo: 25000ppm.
   Oral (rat; LD50: 1650mg/kg. Inhalation (rat); LC50: 21000ppm/3H. Intraperitoneal (rat); LD50: 2900mg/kg.
   RTECS Data:
   Inhalation (mouse); LCLo: 24000mg/m3/2H. Inhalation (rabbit); LC: >1200ppm/4H. Oral (guinea pig); LDLo:
   500mg/kg. Inhalation (rat); TCLo: 1800ppm/6H/2Y-1.
   Carcinogenic Effects:       THF: Data available    
   Mutagenic Effects:       THF: Possible mutagen    
   Tetratogenic Effects:       THF: Possible reproductive effector    

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):       Organometallic substance, Liquid,Water-reactive,Flammable    
   Hazard Class (CFR):       4.3    
   Additional Hazard Class (CFR):       3    
   Packaging Group (CFR):       I    
   UN ID Number (CFR):       UN# 3399    
   Shipping Name (IATA):       Organometallic substances, Liquid,Water-reactive,Flammabl    
   Hazard Class (IATA):       4.3    
   Additional Hazard Class (IATA):       3    
   Packaging Group (IATA):       I    
   UN ID Number (IATA):       UN# 3399    

SECTION 15: Regulatory Information
   TSCA:       Listed in the TSCA inventory.    
   SARA (Title 313):       Title compound not listed.    
   Second Ingredient:       THF: Listed in the TSCA. Not regulated under SARA 313.