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tert-Butyllithium

Product Name:
tert-Butyllithium
CAS No.
594-19-4
Chemical Name:
tert-Butyllithium
CBNumber:
CB2229465
Molecular Formula:
C4H9Li
Formula Weight:
64.06
MOL File:
594-19-4.mol
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tert-Butyllithium Property

Boiling point:
36-40 °C
Density 
0.69 g/mL at 20 °C
vapor density 
~3 (vs air)
Flash point:
20 °F
storage temp. 
2-8°C
form 
liquid
color 
slightly cloudy
Sensitive 
Air & Moisture Sensitive
BRN 
3587204
InChIKey
BKDLGMUIXWPYGD-UHFFFAOYSA-N
CAS DataBase Reference
594-19-4(CAS DataBase Reference)
EPA Substance Registry System
Lithium, (1,1-dimethylethyl)- (594-19-4)
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Safety

Hazard Codes 
F,C,N
Risk Statements 
11-15-17-34-51/53-65-66-67-50/53-38-14/15
Safety Statements 
26-36/37/39-43-45-62-61-16-33-9
RIDADR 
UN 3394 4.2/PG 1
WGK Germany 
1
3-10
TSCA 
Yes
HazardClass 
4.3
PackingGroup 
I
HS Code 
29319090
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N-Bromosuccinimide Price More Price(10)

Sigma-Aldrich Gold
Product number:
186198
Product name :
tert-Butyllithium solution
Purity:
1.7M in pentane
Packaging:
4x25ml
Price:
$71.5
Updated:
2019/12/02
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Sigma-Aldrich Gold
Product number:
186198
Product name :
tert-Butyllithium solution
Purity:
1.7M in pentane
Packaging:
8l
Price:
$1080
Updated:
2019/12/02
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Alfa Aesar Gold
Product number:
041251
Product name :
tert-Butyllithium, nominally 1.5M in n-pentane
Purity:
packaged under Argon in resealable ChemSeal? bottles
Packaging:
50ml
Price:
$27.5
Updated:
2020/06/24
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Strem Chemicals Gold
Product number:
93-0302
Product name :
t-Butyllithium 16% in pentane (1-2M)
Packaging:
0.25mole
Price:
$74
Updated:
2020/06/24
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Strem Chemicals Gold
Product number:
93-0302
Product name :
t-Butyllithium 16% in pentane (1-2M)
Packaging:
1mole
Price:
$220
Updated:
2020/06/24
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tert-Butyllithium Chemical Properties,Usage,Production

Chemical Properties

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.

Uses

  • 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.

Preparation

tert-Butyllithium is not sold in large quantities. The industrial and laboratory preparations are the same: the reaction of t-butyl chloride with lithium metal in a hydrocarbon solvent. However, tert-Butyllithium is much more difficult to produce than the other isomeric butyllithium compounds and some special precautions must be taken to obtain good yields. Principally, the lithium metal must be finely divided and must contain several percent sodium. It has also been found that t-butyl alcohol in the butyl chloride is beneficial. The solvent of choice is pentane. Vigorous reflux is necessary for good yield since it apparently helps to remove lithium chloride from the surface of the metal, and pentane refluxes at about the optimum temperature. If hexane is used at the same temperature, a significantly lower yield is obtained.

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tert-Butyllithium Suppliers

Global(151)Suppliers
Shaoxing Shangyu Hualun Chemical Co. Ltd.
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0575-82732398
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xchl@hualun-chem.com
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J & K SCIENTIFIC LTD.
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010-82848833- ;010-82848833-
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86-10-82849933
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jkinfo@jkchemical.com;market6@jkchemical.com
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Lianyungang Yilong Chemical Co., Ltd.
Tel:
18751413560、18360586801
Fax:
0518-88109512
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sales@yilong-chem.com
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China
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Energy Chemical
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021-58432009
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021-58436166-800
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Huangshi Bo’Er Chemical Co., Ltd.
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0714-6401888-
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0714-6401888
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273568016@qq.com;
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Meryer (Shanghai) Chemical Technology Co., Ltd.
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21-61259100-
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86-21-61259102
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sh@meryer.com
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3B Pharmachem (Wuhan) International Co.,Ltd.
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821-50328103-801
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Alfa Aesar
Tel:
400-610-6006; 021-67582000
Fax:
021-67582001/03/05
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China
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TCI (Shanghai) Development Co., Ltd.
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021-67121386 / 800-988-0390
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021-67121385
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Sales-CN@TCIchemicals.com
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China
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594-19-4, tert-ButyllithiumRelated Search:

NA METHYLLITHIUM AS COMPLEX WITH LITHIUM LITHIUM METHOXIDE ISOBUTYLLITHIUM Lithium bis(trimethylsilyl)amide SEC-BUTYLLITHIUM tert-Butylbenzene n-Butyllithium TERT-BUTYLLITHIUM,15%SOLUTIONINPENTANE LITHIUM TERT-BUTYLCYCLOPENTADIENIDE tert-Butyllithium Methyllithium ISOPROPYLLITHIUM Lithium hydride LITHIUM N-PROPYLCYCLOPENTADIENIDE ETHYLLITHIUM Lithium LITHIUM N-BUTYLCYCLOPENTADIENIDE
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  • tert-Butyllithium, nominally 1.5M in n-pentane, packaged under Argon in resealable ChemSealTM bottles
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  • tert-Butyllithium, nominally 1.5M in n-pentane, packaged under Argon in resealable ChemSeal^t bottles
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  • 594-19-4
  • CH33CLi
  • Alkyl
  • Organolithium
  • Organometallic Reagents
  • metal alkyl