tert-Butyllithium
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tert-Butyllithium
structure -
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CAS No:
594-19-4
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Formula:
C4H9Li
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Chemical Name:
tert-Butyllithium
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Synonyms:
Lithium,(1,1-dimethylethyl)-;Lithium,tert-butyl-;(1,1-Dimethylethyl)lithium;tert-Butyllithium;t-Butyllithium;tBuLi;101638-96-4
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CAS No:
Description
tert-Butyllithium is a colorless crystalline solid or colourless to pale yellow solution. It is more reactive than n- or sec-butyllithium and has similar properties. However, it is thermally stable. Dixon and co-workers have heated tert-Butyllithium to 100°C for 20 hr with little decomposition.
Characteristics
0
1.75410
slightly cloudy liquid
0.862-0.966 g/cm3
36-40 °C
20 °F
2-8°C
~3 (vs air)
Its heptane solution spontaneously ignites in the air; it is flammable when exposed to heat; spontaneously reacts with water
Safety Information
I
4.3
UN 3394 4.2/PG 1
1
11-15-17-34-51/53-65-66-67-50/53-38-14/15
26-36/37/39-43-45-62-61-16-33-9
F,C,N
Warehouse ventilated at low temperature and dry; waterproof, anti-open flame
P210-P222-P223-P231 + P232-P370 + P378-P422
H225-H250-H260-H304-H314-H336-H411
|Danger|H250 (100%): Catches fire spontaneously if exposed to air [Danger Pyrophoric liquids; Pyrophoric solids]|P210, P222, P223, P231+P232, P260, P264, P280, P301+P330+P331, P302+P334, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P335+P334, P363, P370+P378, P402+P404, P405, P422, and P501|Aggregated GHS information provided by 71 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
tert-Butyllithium Use and Manufacturing
There are no commercial uses of t-butyllithium, but it is used as a polymerization initiator and as a metalating agent in the laboratory.
Alkylating and metalating agent. Reagent for the introduction of the tert-butyl group.
tert-Butyllithium (t-BuLi) is the most reactive of the commercially available organolithium reagents. It is supplied as a standard solution in hydrocarbon solvents, usually in a bottle sealed with a septum.
Lithium, (1,1-dimethylethyl)-: ACTIVE
Computed Properties
Molecular Weight:64.1
Hydrogen Bond Acceptor Count:1
Exact Mass:64.08642872
Monoisotopic Mass:64.08642872
Heavy Atom Count:5
Complexity:8.4
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes
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