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3-Bromo-2-methylpropene

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3-Bromo-2-methylpropene Basic information

Product Name:
3-Bromo-2-methylpropene
Synonyms:
  • 3-BroMo-2-Methylpropene 97%
  • 2-methylallylbromide
  • 3-Bromo-2-methyl-1-propene
  • 3-Bromo-2-methyl-1-propylene
  • propene,3-bromo-2-methyl-
  • METHALLYL BROMIDE
  • METHYLALLYL BROMIDE
  • 3-BROMO-2-METHYLPROPENE
CAS:
1458-98-6
MF:
C4H7Br
MW:
135
EINECS:
604-496-5
Product Categories:
  • Halides
  • Aliphatics
  • Pharmaceutical intermdiate
Mol File:
1458-98-6.mol
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3-Bromo-2-methylpropene Chemical Properties

Melting point:
-115.07°C (estimate)
Boiling point:
94-95 °C (lit.)
Density 
1.339 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.472(lit.)
Flash point:
44 °F
storage temp. 
2-8°C
solubility 
Chloroform, Ethyl Acetate
form 
Oil
color 
Clear Colourless to Pale Yellow
Specific Gravity
1.339
Stability:
Light Sensitive
InChIKey
USEGQJLHQSTGHW-UHFFFAOYSA-N
CAS DataBase Reference
1458-98-6(CAS DataBase Reference)
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Safety Information

Hazard Codes 
F,C,N
Risk Statements 
11-20/22-34-51/53
Safety Statements 
9-16-26-29-36/37/39-45-61
RIDADR 
UN 2924 3/PG 2
WGK Germany 
3
HazardClass 
3.1
PackingGroup 
II
HS Code 
29033990

MSDS

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3-Bromo-2-methylpropene Usage And Synthesis

Chemical Properties

clear colorless to yellow liquid

Uses

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

Uses

3-Bromo-2-methylpropene is used as a general reagent for various organic reactions and primarily for amino acid synthesis and asymmetric amino acid synthesis.

General Description

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

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