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Butyllithium Structure

Butyllithium

Chemical Properties

Melting point -95 °C
Boiling point 80 °C
Density  0.68 g/mL at 20 °C
Flash point 10 °F
storage temp.  2-8°C
solubility  Miscible with diethyl ether and cyclohexane.
form  liquid
color  yellow
Specific Gravity 0.695
Odor Odor of the solvent
Water Solubility  vigorous reaction
Sensitive  Air & Moisture Sensitive
Hydrolytic Sensitivity 8: reacts rapidly with moisture, water, protic solvents
BRN  1209227
Exposure limits ACGIH: TWA 50 ppm (Skin)
OSHA: TWA 500 ppm(1800 mg/m3)
NIOSH: IDLH 1100 ppm; TWA 50 ppm(180 mg/m3)
LogP 1.25-2.31
CAS DataBase Reference 109-72-8(CAS DataBase Reference)
NIST Chemistry Reference Butyl lithium(109-72-8)
EPA Substance Registry System Lithium, butyl- (109-72-8)

Safety Information

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
Safety Statements  6-9-16-26-36/37/39-45-61-62-6A-46-43B-43-60-33-29-5
RIDADR  UN 3399 4.3/PG 1
WGK Germany  3
3-10
TSCA  Yes
HazardClass  4.3
PackingGroup  I
HS Code  29319090
Toxicity There is little toxicity data available for the butyllithiums; for data on ether and hydrocarbon solvents, see the appropriate LCSSs.

MSDS

Usage And Synthesis

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