Lithium, butyl- cas no:109-72-8

NameLithium, butyl-
CAS109-72-8
Synonyms1-Butyllithium;Butyllithium;n-Butyllithium;n-Butyllithium in Hexanes (15%soln & 23%soln);
EINECS(EC#)203-698-7
Molecular FormulaC₄H₉Li
Molecular Weight64.06

AppearanceClear, yellow solution. Commercially available as solutions (15%, 25%, 2 M, 2.5 M, 10 M, etc.) in alkanes such as pentane, hexanes, or heptanes.
storage temp2-8°C
Sensitive Air & Moisture Sensitive

Hazardclass4.3

Hazard F: Flammable;C: Corrosive;
Risk R11;R14/15;R17;R35;R48/20;R63;R65;R67
Safety

S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. Probably very toxic. Solutions of greater than 20% will ignite spontaneously in air. Ignites on contact with water or CO₂. May cause potentially explosive polymerization of styrene. Extremely flammable. To fight fire, use dry chemical; see special instructions of manufacturer. See also LITHIUM COMPOUNDS and BUTYLLITHIUM.
Hazard Codes:?F,C,N
Risk Statements: 14/15-17-34-48/20-51/53-62-65-67-63-35-11-15-50/53-66
R11:Highly flammable.?
R14 :Reacts violently with water.?
R15:Contact with water liberates extremely flammable gases.?
R17:Spontaneously flammable in air.?
R20:Harmful by inhalation.?
R35:Causes severe burns.?
R48:Danger of serious damage to health by prolonged exposure.?
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.?
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.?
R62:Risk of impaired fertility.?
R65:Harmful: may cause lung damage if swallowed.?
R67:Vapours may cause drowsiness and dizziness.?
R66:Repeated exposure may cause skin dryness or cracking.?
Safety Statements: 6-9-16-26-36/37/39-45-61-62-6A-46-43B-43-60-33-29-5
S9:Keep container in a well-ventilated place.?
S16:Keep away from sources of ignition.?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S33:Take precautionary measures against static discharges.?
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.?
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)?
S43:In case of fire use ... (there follows the type of fire-fighting equipment to be used.)?
S46:If swallowed, seek medical advice immediately and show this container or label.?
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.?
S62:If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label.