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Section 1: Product Identification
   Chemical Name:       sec-Butylmagnesium chloride, lithium chloride complex 1.2M (15wt% +/-1wt%) in tetrahydrofuran    
   CAS Registry Number:       15366-08-2    
   Formula:       CH3CH2CH(CH3)MgCl.LiCl    
   EINECS Number:       239-403-3    
   Chemical Family:       grignard reagent    
   Synonym:       Magnesium, chloro(1-methylpropyl)-    

Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title compound       15366-08-2       15%       no data       no data    
   THF       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 of the skin.    
   Inhalation of vapors may cause coughing, chest pains, nausea, dizziness, headache, drowsiness and
   Ingestion:       Harmful if swallowed. THF can cause liver and kidney damage. Harmful if swallowed.    
   Inhalation of vapors 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 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 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, dry powder or foam    
   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 toxic and corrosive fumes.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Highly flammable liquid. Evolves flammable hydrogen gas with water. Hydrogen can ignite explosively.

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

SECTION 7: Handling and Storage
   Handling and Storage:       Handle and store this 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.    
   Wear protective clothing and gloves. Consult with a glove manufacturer to determine the proper type of glove.
   Skin Protection:
   Ventilation:       It is imperative that this material is 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:       It is imperative that this material is handled in an efficient fume hood.    
   Additional Protection:       No additional protection required.    

SECTION 9: Physical and Chemical Properties
   Color and Form:       yellow-brown liq.    
   Molecular Weight:       159.26    
   Melting Point:       no data    
   Boiling Point:       66°C    
   Vapor Pressure:       no data    
   Specific Gravity:       0.95g/cc    
   Odor:       ethereal    
   Solubility in Water:       reacts violently with water    

SECTION 10: Stability and Reactivity
   Stability:       air sensitive, 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, lithium salts and organic fumes.    

SECTION 11: Toxicological Information
   Title compound: No information available in the RTECS files. 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-I.
   Carcinogenic Effects:       THF: Insufficient data    
   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 substance, Liquid,Water-reactive,Flammable    
   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:       Title compound: Listed in the TSCA inventory.    
   SARA (Title 313):       Not reportable under SARA 313.    
   Second Ingredient:       THF: Listed in the TSCA inventory. Not reportable under SARA 313.    


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