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215562

Sigma-Aldrich

2-Bromo-2-butene, mixture of cis and trans

98%

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About This Item

Linear Formula:
CH3CH=C(Br)CH3
CAS Number:
13294-71-8
Molecular Weight:
135.00
Beilstein:
1733329
EC Number:
236-316-2
MDL number:
MFCD00000141
UNSPSC Code:
12352100
PubChem Substance ID:
24852903
NACRES:
NA.22

Quality Level

100

Assay

98%

form

liquid

refractive index

n20/D 1.461 (lit.)

bp

82-90 °C/740 mmHg (lit.)

density

1.328 g/mL at 25 °C (lit.)

functional group

alkyl halide
bromo

storage temp.

2-8°C

SMILES string

C\C=C(/C)Br

InChI

1S/C4H7Br/c1-3-4(2)5/h3H,1-2H3/b4-3+

InChI key

UILZQFGKPHAAOU-ONEGZZNKSA-N

Application

2-Bromo-2-butene was used in the synthesis of substituted catechol derivatives and mono-annelated benzenes.

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H225

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

33.8 °F - closed cup

Flash Point(C)

1 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCL1936
MKBS6491V
MKBL6273V
MKBJ7257V
MKBG6780V

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Novel synthesis and structures of tris-annelated benzene donors for the electron-density elucidation of the classical Mills-Nixon effect.
Rathore R, et al.
Journal of the American Chemical Society, 120(24), 6012-6018 (1998)
A new process for the regiocontrolled synthesis of substituted catechols and other 1, 2-dioxygenated aromatics: conjugate addition of vinyl-, aryl-, and heteroarylcopper reagents to cyclobutenediones followed by thermal rearrangement.
Gurski A and Liebskind LS.
Journal of the American Chemical Society, 115(14), 6101-6108 (1993)

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