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4-Bromo-1-butene

4-Bromo-1-butene structure

CAS No:
5162-44-7
Formula:
C4H7Br
Chemical Name:
4-Bromo-1-butene
Synonyms:
1-Butene,4-bromo-;4-Bromo-1-butene;1-Bromo-3-butene;3-Butenyl bromide;Homoallyl bromide;4-Bromobutene-1;Allylcarbinyl bromide;1570498-36-0
Categories:
Organic Chemistry > Hydrocarbons and Derivatives

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Description

colourless liquid

4-Bromo-1-butene Basic Attributes

Molecular Weight：

135

Exact Mass：

135.00

BRN：

1098377

EC Number：

225-937-4

UNII：

QAF6NEE729

DSSTox ID：

DTXSID1063722

HScode：

29033036

Characteristics

PSA：

XLogP3：

2.34

Appearance：

Clear colorless to light brownish Liquid

Density：

1.3230 g/cm³ @ Temp: 20 °C

Melting Point：

-115.07°C (estimate)

Boiling Point：

98.5 °C

Flash Point：

49 °F

Refractive Index：

1.458

Water Solubility：

Miscible with water, benzene, ether and ethanol.

Storage Conditions：

2-8°C

Flammability characteristics：

Open flame, heat, oxidant is flammable; in case of acid, heat releases toxic gas containing bromide

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 1993 3/PG 2

wgk germany：

hazard class code：

11-36/37-42/43

safety instructions：

26-36/37/39

Marks：

F,Xn,Xi

Storage features：

The warehouse is ventilated, low temperature and dry; lightly loaded and unloaded, stored separately from oxidants and acids

Stability/Shelf Life：

Stable. Incompatible with strong bases, strong oxidizing agents. Highly flammable. Light sensitive.

Precautionary statement(s)：

P210-P261-P305 + P351 + P338-P342 + P311

Hazard Statements：

H225-H319-H334-H335

GHS Classification：

|Danger|H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]|P210, P233, P240, P241, P242, P243, P261, P264, P271, P272, P280, P285, P302+P352, P303+P361+P353, P304+P340, P304+P341, P305+P351+P338, P312, P321, P333+P313, P337+P313, P342+P311, P363, P370+P378, P403+P233, P403+P235, P405, and P501|Aggregated GHS information provided by 54 companies from 12 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

4-Bromo-1-butene Use and Manufacturing

Uses

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

Manufacturing Info：

1-Butene, 4-bromo-: ACTIVE

Computed Properties

Molecular Weight:135.00
XLogP3:2.1
Rotatable Bond Count:2
Exact Mass:133.97311
Monoisotopic Mass:133.97311
Heavy Atom Count:5
Complexity:24.8
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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