3-Bromo-2-methyl-1-propene

Basic Information

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CAS Number

1458-98-6

Molecular Formula

C4H7Br

Molecular Weight

135 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

-115.07°C (estimate)

Boiling Point

95°C

Refractive Index

n20/D 1.472(lit.)

SMILES

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CC(=C)CBr

InChI

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

InChIKey

USEGQJLHQSTGHW-UHFFFAOYSA-N

LogP

1.9574

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

38.9

Safety Information

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GHS Hazard Pictograms

H225

H302

H314

H332

Hazard Statement

H225 Highly Flammable liquid and vapor
Flammable liquids

H302 Harmful if swallowed
Acute toxicity, oral

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

H332 Harmful if inhaled
Acute toxicity, inhalation

Hazard Class

Class 3 (8) Class 3 (8)

Synonyms & References

English

AM85592
3bromo-2-methylpropene
J-511887
3-Bromo-2-methylpropene
2-methyl-3-bromopropene
3-Bromo-2-methylpropene, stabilized with 0.1% hydroquinone
Methallyl bromide
AKOS005259119
J-802108
DTXSID80326816
AS-11136
B2467
2-Methyl-2-propenyl Bromide
SCHEMBL107116
Methylallyl bromide
3-Bromo-2-methylpropene, 97%
NSC-617310
3-Bromo-2-methylpropene (0.1% hydroquinone inhibitor added)
1-Propene, 3-bromo-2-methyl- (9CI)
EN300-61933
2-(Bromomethyl)prop-1-ene
NSC617310
FT-0615141
1-Bromo-2-methyl-2-propene
2-methyl-3-bromo propene
3-bromo-2-methyl propene
3-Bromo-2-methylpropen
1-Propene, 3-bromo-2-methyl-
2-methylprop-2-enyl bromide
1458-98-6
USEGQJLHQSTGHW-UHFFFAOYSA-N

MDL Number

MFCD00134155

Customs Code

2903399090

FAQ

What are the physical and chemical properties of 3-Bromo-2-methyl-1-propene (CAS: 1458-98-6)?

3-Bromo-2-methyl-1-propene is a colorless to pale yellow liquid with a molecular weight of 136.01 g/mol and a boiling point of 53.5 °C. It is slightly soluble in water but miscible with common organic solvents. This compound is highly reactive due to the presence of the bromine atom and the alkene functional group.

How is 3-Bromo-2-methyl-1-propene (CAS: 1458-98-6) typically synthesized?

3-Bromo-2-methyl-1-propene is typically synthesized via the bromination of 2-methyl-1-propene using a brominating agent like N-bromosuccinimide (NBS) or bromine in the presence of a Lewis acid catalyst such as aluminum bromide (AlBr3). The reaction yields a mixture of stereoisomers, and the desired product can be isolated by fractional distillation.

What industries use 3-Bromo-2-methyl-1-propene (CAS: 1458-98-6)?

3-Bromo-2-methyl-1-propene is used in the pharmaceutical industry as an intermediate for the synthesis of certain drugs. It also finds applications in the polymer industry for the production of specialty polymers. Additionally, it is utilized in the manufacturing of sensors and semiconductors due to its reactivity and specific chemical properties.

What precautions should be taken when handling 3-Bromo-2-methyl-1-propene (CAS: 1458-98-6)?

When handling 3-Bromo-2-methyl-1-propene, it is crucial to wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. Work in a well-ventilated area or a fume hood to minimize inhalation risks. Spills should be handled by neutralizing with an appropriate chemical and disposing of the waste according to local regulations. Always refer to the Safety Data Sheet (SDS) for specific handling and storage instructions.