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Merck

20159

Sigma-Aldrich

n-Butil-litio solution

2.7 M in heptane

Sinónimos:

n-BuLi, Butil litio, Butil-litio solution, Litio-1-butanida

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About This Item

Fórmula lineal:
CH3(CH2)3Li
Número de CAS:
Peso molecular:
64.06
Beilstein/REAXYS Number:
1209227
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

form

liquid

Quality Level

shelf life

limited shelf life

concentration

2.7 M in heptane

color

yellow

density

0.71 g/mL at 20 °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

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Application

n-Butyllithium is a strong nucleophile in the synthetic organic chemistry. It is also used as an initiator in the polymerization process.

Caution

a precipitate of lithium hydride can form on longer storage

Related product

Referencia del producto
Descripción
Precios

signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3 - Water-react 1

target_organs

Central nervous system

supp_hazards

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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6Li and (13)C NMR spectroscopic studies were carried out on [(6)Li]n-BuLi and [(6)Li]PhLi (RLi) in toluene-d(8) containing the following diamines: N,N,N',N'-tetramethylethylenediamine (TMEDA), N,N,N',N'-tetraethylethylenediamine, 1,2-dipyrrolidinoethane, 1,2-dipiperidinoethane, N,N,N',N'-tetramethylpropanediamine, trans-(R,R)-N,N,N',N'-tetramethylcyclohexanediamine, and (-)-sparteine. Dimers of general structure (RLi)(2)S(2) (S = chelating diamine) are formed
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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

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