CAS No.5162-44-7,4-Bromo-1-butene Suppliers

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Basic Information

Molecular Structure:
CAS No.:	5162-44-7
Name:	4-Bromo-1-butene
Article Data:	44

Formula:	C₄H₇Br
Molecular Weight:	135.004
Synonyms:	1-Bromo-3-butene;3-Butenyl bromide;4-Bromobutene-1;Allylcarbinyl bromide;Homoallyl bromide;
EINECS:	225-937-4
Density:	1.312 g/cm³
Melting Point:	-115.07°C (estimate)
Boiling Point:	99.3 °C at 760 mmHg
Flash Point:	9.4 °C
Solubility:	Miscible with water, benzene, ether and ethanol.
Appearance:	colourless liquid
Hazard Symbols:	F, Xn, Xi
Risk Codes:	11-36/37-42/43
Safety:	26-36/37/39
Transport Information:	UN 1993 3/PG 2
PSA:	0.00000
LogP:	1.95740

Synthetic route

: 778-29-0
but-3-enyl 4-methylbenzenesulfonate

: 5162-44-7
1-bromo-4-butene

Conditions

Conditions	Yield
With lithium bromide In acetone for 1h; Heating;	98%

: 110-52-1
1,4-dibromo-butane

: 5162-44-7
1-bromo-4-butene

Conditions

Conditions	Yield
With N,N,N,N,N,N-hexamethylphosphoric triamide at 200 - 210℃;	97%
With N,N,N,N,N,N-hexamethylphosphoric triamide at 210℃;	95%
With N,N,N,N,N,N-hexamethylphosphoric triamide for 1h; Heating;	82%

: 38771-21-0
4-bromobut-1-yne

: 5162-44-7
1-bromo-4-butene

Conditions

Conditions	Yield
With diisobutylaluminium hydride In hexane at 40℃;	90%

: 13287-42-8
(2-bromoethyl)oxirane

: 6773-29-1
dimethyl diazomalonate

A: 5162-44-7
1-bromo-4-butene

B: 3298-40-6
mesoxalate de methyle

Conditions

Conditions	Yield
With dirhodium tetraacetate In toluene for 0.75h; Heating;	A 84% B n/a

...Expand

: 627-27-0
homoalylic alcohol

: 5162-44-7
1-bromo-4-butene

Conditions

Conditions	Yield
With phosphorus tribromide In pyridine	80%
With pyridine; phosphorus tribromide In neat (no solvent) at 0 - 20℃; for 2h; Inert atmosphere; Schlenk technique;	74%
With pyridine; phosphorus tribromide at 0℃;

: 50-00-0
formaldehyd

: 627-27-0
homoalylic alcohol

: 5162-44-7
1-bromo-4-butene

Conditions

Conditions	Yield
With phosphorus tribromide	73%

: 7051-34-5
cyclopropylcarbinyl bromide

: 5162-44-7
1-bromo-4-butene

Conditions

Conditions	Yield
With C50H44Au2P4(2+)*2C2F6NO4S2(1-) In water; acetonitrile for 0.166667h; Inert atmosphere; Sealed tube; UV-irradiation;	72%

: 7051-34-5
cyclopropylcarbinyl bromide

A: 5162-44-7
1-bromo-4-butene

B: 4399-47-7
Bromocyclobutane

Conditions

Conditions	Yield
With NbCl3(N,N′-bis-(2,6-diisopropylphenyl)-1,4-diaza-2,3-dimethyl-1,3-butadiene) In benzene-d6 at 120℃; for 14h; Catalytic behavior; Inert atmosphere; Schlenk technique; Glovebox;	A 59% B 33%

: 186581-53-3, 908094-01-9
diazomethane

: 106-95-6
allyl bromide

A: 5162-44-7
1-bromo-4-butene

B: 7051-34-5
cyclopropylcarbinyl bromide

Conditions

Conditions	Yield
With copper(I) chloride * phenylphosphite at -20 - -10℃;	A 58% B 1.2%

...Expand

: 627-27-0
homoalylic alcohol

A: 5162-44-7
1-bromo-4-butene

B: 107-80-2
1,3-dibromobutane

Conditions

Conditions	Yield
With hydrogen bromide at 0℃;
With phosphorus tribromide
With hydrogen bromide

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Chemistry

Product Name: 4-Bromo-1-butene (CAS NO.5162-44-7)

Molecular formula: C₄H₇Br
Molecular Weight: 135
EINECS: 225-937-4
Boiling point: 98-100 °C(lit.)
Flash point: 49 °F
Density: 1.33 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.462(lit.)
Storage temp.: 2-8°C
Sensitive: Light Sensitive
Index of Refraction: 1.457
Molar Refractivity: 28.03 cm³
Molar Volume: 102.8 cm³
XLogP3-AA: 2.1
H-Bond Donor: 0
H-Bond Acceptor: 0
Structure Descriptors of 4-Bromo-1-butene (CAS NO.5162-44-7):
IUPAC Name: 4-bromobut-1-ene
Canonical SMILES: C=CCCBr
InChI: InChI=1S/C4H7Br/c1-2-3-4-5/h2H,1,3-4H2
InChIKey: DMAYBPBPEUFIHJ-UHFFFAOYSA-N
Product Categories: Halides; omega-Functional Alkanols, Carboxylic Acids, Amines & Halides; omega-Unsaturated Halides; Alkenyl; Halogenated Hydrocarbons; Organic Building Blocks

Uses

4-Bromo-1-butene (CAS NO.5162-44-7) is used for drug intermediates.

Consensus Reports

4-Bromo-1-butene (CAS NO.5162-44-7) is reported in EPA TSCA Inventory.

Safety Profile

Safety Information of 4-Bromo-1-butene (CAS NO.5162-44-7):
Hazard Codes: F, Xn Harmful ,Xi Irritant Xi
Risk Statements information:
11: Highly Flammable
36/37: Irritating to eyes and respiratory system
42/43: May cause sensitization by inhalation and skin contact
Safety Statements information:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
F: 8-19
HazardClass: 3
PackingGroup: II
HS Code: 29033036
RIDADR: UN 1993 3/PG 2
WGK Germany: 3
A dangerous fire hazard (flash point <1°C). Violent reaction with chloromethylphenylsilane + chloroplatinic acid. When heated to decomposition it emits toxic fumes of Br⁻.

Specification

4-Bromo-1-butene , its CAS NO. is 5162-44-7, the synonyms are 4-bromobut-1-ene ; 4-Bromobutene ; 4-Bromobutene-(1) ; Homoallyl bromide ; 4-bromo-1-buten ; 4-bromo-but-1-ene ; 1-Bromo-3-butene;1-butene,4-bromo- .