3-Bromo-2-methylpropene

Synonym(s):Methallyl bromide;Methylallyl bromide

CAS NO.：1458-98-6
Empirical Formula: C4H7Br
Molecular Weight: 135
MDL number: MFCD00134155
EINECS: 604-496-5
SAFETY DATA SHEET (SDS)
Update Date: 2023-08-15 13:09:01

What is 3-Bromo-2-methylpropene?

Chemical properties

clear colorless to yellow liquid

The Uses of 3-Bromo-2-methylpropene

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.

The Uses of 3-Bromo-2-methylpropene

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

What are the applications of Application

3-Bromo-2-methylpropene is used in a study of chiral phase transfer alkylation which leads to (S)-α-alkylcysteines.

General Description

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

Properties of 3-Bromo-2-methylpropene

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
Specific Gravity	1.339
color	Clear Colourless to Pale Yellow
Stability:	Light Sensitive
CAS DataBase Reference	1458-98-6(CAS DataBase Reference)

Safety information for 3-Bromo-2-methylpropene

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Corrosion Corrosives GHS05 Exclamation Mark Irritant GHS07 Environment GHS09
GHS Hazard Statements	H225:Flammable liquids H314:Skin corrosion/irritation H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.