Merck
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186198

Sigma-Aldrich

tert-Butyllithium solution

1.7 M in pentane

Synonym(s):
t-BuLi, Lithium-2-methyl-2-propanide
Linear Formula:
(CH3)3CLi
CAS Number:
Molecular Weight:
64.06
Beilstein:
3587204
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

~3 (vs air)

form

liquid

concentration

1.7 M in pentane

density

0.652 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

[Li]C(C)(C)C

InChI

1S/C4H9.Li/c1-4(2)3;/h1-3H3;

InChI key

BKDLGMUIXWPYGD-UHFFFAOYSA-N

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General description

tert-Butyllithium solution (tert-BuLi) is an organolithium compound, used as a strong base in organic chemistry. It facilitates lithium-halogen exchange reaction and also can be employed in the deprotonation of C-H compounds and amines.

Application

tert-Butyllithium solution can be used as a strong base in the synthesis of:
  • Alkyllithium derivatives form alkyl iodides and diiodoalkanes by halogen-lithium exchange reaction.
  • Inorganic polymer [(LiMo3Se3)n] from [(InMo3Se3)n] by reductive intercalation method.
  • Adducts of cinnamic acid (1,3- and 1,4-adducts) by reacting with C-C double of cinnamic acid.

Packaging

8 L in Kilo-Lab™
4×25, 100, 4×100, 800 mL in Sure/Seal™
The 25 mL Sure/Seal bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.

Legal Information

Sure/Seal is a trademark of Sigma-Aldrich Co. LLC

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 2 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Pyr. Liq. 1 - Skin Corr. 1B - STOT SE 3 - Water-react 1

Target Organs

Central nervous system

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 2

Flash Point(F)

-56.2 °F - closed cup

Flash Point(C)

-49 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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