Merck
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195596

Sigma-Aldrich

sec-Butyllithium solution

1.4 M in cyclohexane

Synonym(s):
s-BuLi, Lithium-2-butanide
Linear Formula:
CH3CH2CH(CH3)Li
CAS Number:
Molecular Weight:
64.06
Beilstein:
3587206
MDL number:
PubChem Substance ID:
NACRES:
NA.22

form

liquid

Quality Level

concentration

1.4 M in cyclohexane

density

0.769 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

[Li]C(C)CC

InChI

1S/C4H9.Li/c1-3-4-2;/h3H,4H2,1-2H3;

InChI key

VATDYQWILMGLEW-UHFFFAOYSA-N

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Application

sec-Butyllithium solution (1.4M in cyclohexane) has been used in the multi-step synthesis of 5-methyl-5,6-dihydrothymidine (5-MDHT) from thymidine. It has also been used in the copper-catalyzed asymmetric allylic alkylation (AAA) of allyl bromides, chlorides, and ethers in the presence of a chiral ligand.

Packaging

4×25, 50, 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 Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Pyr. Liq. 1 - Skin Corr. 1B - STOT SE 3 - Water-react 1

Target Organs

Respiratory system

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 2

Flash Point(F)

1.4 °F - closed cup

Flash Point(C)

-17 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificate of Analysis

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Certificate of Origin

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