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345830

3-Bromo-2-methylpropene

97%

Synonym(s):

Methallyl bromide, Methylallyl bromide

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About This Item

Linear Formula:
H2C=C(CH3)CH2Br
CAS Number:
1458-98-6
Molecular Weight:
135.00
NACRES:
NA.22
PubChem Substance ID:
24861353
UNSPSC Code:
12352100
MDL number:
MFCD00134155
Assay:
97%
Form:
liquid
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Quality Segment

100

assay

97%

form

liquid

impurities

0.1% hydroquinone

refractive index

n20/D 1.472 (lit.)

bp

94-95 °C (lit.)

density

1.339 g/mL at 25 °C (lit.)

functional group

alkyl halide, bromo

storage temp.

2-8°C

SMILES string

CC(=C)CBr

InChI

1S/C4H7Br/c1-4(2)3-5/h1,3H2,2H3

InChI key

USEGQJLHQSTGHW-UHFFFAOYSA-N

General description

Rotational isomerism in 3-bromo-2-methylpropene has been studied by IR spectroscopy.

Application

3-Bromo-2-methylpropene may be used:
  • in the synthesis of alkenyl imines
  • in the synthesis of 2-methylpropenyl (“methallyl”) complex, Cp*Os(η3-allyl)Br2
  • in a study of chiral phase transfer alkylation leading to (S)-α-alkylcysteines

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

44.6 °F - closed cup

flash_point_c

7 °C - closed cup

ppe

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

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