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710776

Sigma-Aldrich

n-Butyllithium solution

1.4 M in toluene

Synonym(s):

n-BuLi, Butyl lithium, Butyllithium solution, Lithium-1-butanide

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About This Item

Linear Formula:
CH3(CH2)3Li
CAS Number:
109-72-8
Molecular Weight:
64.06
Beilstein:
1209227
MDL number:
MFCD00009414
UNSPSC Code:
12352103
PubChem Substance ID:
329763008
NACRES:
NA.22

form

liquid

concentration

1.4 M in toluene

density

0.849 g/mL at 25 °C

storage temp.

2-8°C

SMILES string

[Li]CCCC

InChI

1S/C4H9.Li/c1-3-4-2;/h1,3-4H2,2H3;

InChI key

MZRVEZGGRBJDDB-UHFFFAOYSA-N

Signal Word

Danger

Hazard Classifications

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

Target Organs

Central nervous system

Supplementary Hazards

EUH014

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 3

Flash Point(F)

21.2 °F

Flash Point(C)

-6 °C

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Certificates of Analysis (COA)

Lot/Batch Number
SHBK0957
SHBH4835V
SHBG3667V
SHBF3758V
SHBF0782V

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Deyu Li et al.
The Journal of organic chemistry, 73(6), 2373-2381 (2008-02-26)
A system consisting of a chiral lithium amide and n-BuLi in tol-d(8) solution was investigated with (1)H and (13)C INEPT DOSY, (6)Li and (15)N NMR, and other 2D NMR techniques. A mixed 2:1 trimeric complex was identified as the major
Michael A Tarselli et al.
Organic letters, 11(20), 4596-4599 (2009-10-09)
A procedure for the coupling of aliphatic imines with allylic and allenic alkoxides is described. The success of these studies was enabled by a unique reactivity profile of Ti(IV) isopropoxide/n-BuLi compared to well-known Ti(IV) isopropoxide/RMgX systems.
Graeme Barker et al.
Organic letters, 12(18), 4176-4179 (2010-08-20)
A diamine-free protocol for the s-BuLi-mediated lithiation-trapping of N-Boc heterocycles has been developed. In the optimized procedure, lithiation is accomplished using s-BuLi in THF at -30 °C for only 5 or 10 min. Subsequent electrophilic trapping or transmetalation-Negishi coupling delivered
Lawrence M Pratt et al.
The Journal of organic chemistry, 68(16), 6387-6391 (2003-08-05)
The effects of lithium dialkylamide structure, mixed aggregate formation, and solvation on the stereoselectivity of ketone enolization were examined. Of the lithium dialkylamides examined, lithium tetramethylpiperidide (LiTMP) in THF resulted in the best enolization selectivity. The stereoselectivity was further improved
Madeleine A Jacobson et al.
Journal of the American Chemical Society, 127(13), 4965-4975 (2005-03-31)
N-Lithio-N-(trialkylsilyl)allylamines can be deprotonated in the presence of ethereal solvents exclusively at the cis-vinylic position to yield 3,N-dilithio-N-(trialkylsilyl)allylamines under mild conditions. Low temperature (1)H and (7)Li NMR ((1)H NOESY, TOCSY, (1)H/(7)Li HSQC, and DO-NMR) studies on the solution structure of
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