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3-Bromo-2-methylpropene

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Origin: China

Cas No: 1458-98-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 1458-98-6 Formula: C4H7Br Molecular Weight: 135.00200

Description

3-Bromo-2-methyl-1-propene is used as a general reagent for various organic reactions and primarily for amino acid synthesis and asymmetric amino acid synthesis.

Basic Info

Chemical Name	3-Bromo-2-methylpropene
Synonyms	Propene, 3-bromo-2-methyl-; 3-Bromo-2-methyl-1-propene; 2-Methyl-2-propenyl Bromide; 3-bromo-2-methylprop-1-ene; 2-Methylallyl Bromide;
CAS No.	1458-98-6
Molecular Formula	C4H7Br
Molecular Weight	135.00200
PSA	0.00000
LogP	1.95740

Properties

Appearance & Physical State	clear colorless to yellow liquid
Density	1.339
Boiling Point	94-95ºC
Flash Point	44
Refractive Index	1.472
Vapor Pressure	50.1mmHg at 25°C

Safety Info

Hazard Class	3.1
Safety Statements	S9-S16-S26-S29-S36/37/39-S45-S61
HS Code	2903399090
Packing Group	II
WGK Germany	3
RIDADR	UN 2924
Risk Statements	R11; R20/22; R34; R51/53
Hazard Codes	F; C; N

Synthesis Route

1,2-Dibromo-2-methylpropane→3-Bromo-2-methylpropene+2-Bromo-2-methylpropane
Methanol+3-Chloro-2-methylpropene→3-Bromo-2-methylpropene+1,2-dimethoxy-2-methylpropane
Methanol+1,2,3-Tribromo-2-methylpropane→3-Bromo-2-methylpropene+3-methoxy-2-methylprop-1-ene

Precursor

2-Methyl-2-propen-1-ol
2-BUTEN-1-OL
1,2-Dibromo-2-methylpropane
3-Chloro-2-methylpropene

Downstream Product

Ethyl 4-methyl-4-pentenoate
2-methyl-3-prop-2-ynoxyprop-1-ene
2-methylhepta-1,5-dien-4-ol
3-methoxy-2-(2-methylprop-2-enoxy)benzaldehyde

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