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4-Bromo-1-butene

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Origin: China

Cas No: 5162-44-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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Products Specification
Product Description

Quick Details
CAS No.:
5162-44-7
MF:
C4H7Br
EINECS No.:
225-937-4
Purity:
98%
Appearance:
colorless liquid
color:
colorless
shelf life:
2 years
purity:
98%
Packaging&Delivery
Selling Units:
Single item
Single package size:
20X20X30 cm
Single gross weight:
1.100 kg
Lead Time:
Quantity(Kilograms) 1 - 1000 >1000
Est. Time(days) 5 To be negotiated

Property

CAS No.: 5162-44-7 Formula: C4H7Br Molecular Weight: 135.00200

Description

4-Bromo-1-butene is a brominated alkene used as a reagent in organic synthesis.

Basic Info

Chemical Name	4-Bromo-1-butene
Synonyms	4-Bromobutene; 1-Butene, 4-bromo-; 3-BUTENYL BROMIDE; 1-Bromo-3-butene; 4-BroMo-1-butene; 4-bromo-but-1-ene; 1-bromo-but-3-ene; Homoallyl bromide; but-3-enyl bromide; 3-bromomethyl-1-propene; 4-Bromobut-1-ene; 4-bromo-1-buten; Homoallylic bromide;
CAS No.	5162-44-7
Molecular Formula	C4H7Br
Molecular Weight	135.00200
PSA	0.00000
LogP	1.95740

Properties

Appearance & Physical State	clear to light yellow liquid
Density	1.33
Boiling Point	98-100ºC
Flash Point	1ºC
Refractive Index	1.4595-1.4635
Stability	Stable. Incompatible with strong bases, strong oxidizing agents. Highly flammable. Light sensitive.
Storage Condition	2-8ºC

Safety Info

Hazard Class	3
Safety Statements	S26-S36/37/39
HS Code	29033036
Packing Group	II
WGK Germany	3
RIDADR	UN 1993
Risk Statements	R11; R36/37; R42/43
Hazard Codes	F

Synthesis Route

Cylopropylmethyl chloride→4-Bromo-1-butene+Cyclobutyl bromide
cyclopropylmethanol+hydrogen bromide→4-Bromo-1-butene+Cyclobutyl bromide
dichloromethane+cyclopropylmethanol→4-Bromo-1-butene+Cyclobutyl bromide

Precursor

2-(2-bromoethyl)oxirane
4-bromobut-1-yne
but-3-en-1-ol,4-methylbenzenesulfonic acid
1,4-Dibromobutane

Downstream Product

4-but-3-enoxybenzaldehyde
N-but-3-enyl-N-butylbutan-1-amine
octa-1,7-diene
1,2,4-Tribromobutane

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