ChemicalBook > CAS DataBase List > 4-Bromostyrene

4-Bromostyrene

Product Name
4-Bromostyrene
CAS No.
2039-82-9
Chemical Name
4-Bromostyrene
Synonyms
1-Bromo-4-vinylbenzene;1-bromo-4-ethenylbenzene;DK657;DK796;NSC 60393;4-Bromstyrol;p-Bromostyrol;BROMOSTYRENE-4;4-BROMOSTYRENE;P-BROMOSTYRENE
CBNumber
CB5664757
Molecular Formula
C8H7Br
Formula Weight
183.05
MOL File
2039-82-9.mol
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4-Bromostyrene Property

Melting point:
4.5 °C
Boiling point:
89 °C16 mm Hg(lit.)
Density 
1.40 g/mL at 20 °C
refractive index 
n20/D 1.594(lit.)
Flash point:
168 °F
storage temp. 
-20°C
solubility 
Miscible with ethanol, ether and benzene.
form 
Liquid
color 
light greenish-yellow
BRN 
1634204
InChIKey
WGGLDBIZIQMEGH-UHFFFAOYSA-N
CAS DataBase Reference
2039-82-9(CAS DataBase Reference)
NIST Chemistry Reference
4-BrC6H4CH=CH2(2039-82-9)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/38-36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
3
F 
8
Hazard Note 
Irritant/Keep Cold
HS Code 
29036990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
124141
Product name
4-Bromostyrene
Purity
contains 0.05% 3,5-di-tert-butylcatechol as inhibitor, 97%
Packaging
10g
Price
$160
Updated
2024/03/01
Sigma-Aldrich
Product number
124141
Product name
4-Bromostyrene
Purity
contains 0.05% 3,5-di-tert-butylcatechol as inhibitor, 97%
Packaging
25g
Price
$318
Updated
2024/03/01
TCI Chemical
Product number
B1980
Product name
4-Bromostyrene (stabilized with TBC)
Purity
>95.0%(GC)
Packaging
5g
Price
$52
Updated
2024/03/01
TCI Chemical
Product number
B1980
Product name
4-Bromostyrene (stabilized with TBC)
Purity
>95.0%(GC)
Packaging
25g
Price
$206
Updated
2024/03/01
Alfa Aesar
Product number
A17896
Product name
4-Bromostyrene, 98%, stab. with 0.1% 4-tert-butylcatechol
Packaging
5g
Price
$63.6
Updated
2024/03/01
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4-Bromostyrene Chemical Properties,Usage,Production

Chemical Properties

clear slightly yellow to yellow liquid

Uses

4-Bromostyrene is widely utilized in the synthesis of nitroolefins by alkene cross-metathesis. It plays an important role in the Heck reaction to the synthesis of poly(1,4-phenylenevinylene). It is employed in the structure activity relationships (SAR) study of the chemical and biochemical properties of the vinyl group of styrene. It is also used to investigate the photochemical growth of Br-terminated self-assembled monolayers. It is also involved in the synthesis of silsesquioxanes.

General Description

4-Bromostyrene is a para-halogenated styrene derivative. The proton spectra of 4-bromostyrene exhibits dipolar couplings consistent with planar ground state structures, only if the torsional motion of lowest frequency occurs at about 80cm-1. It undergoes Heck reaction with 2-bromo-6-methoxynaphthalene in the presence of sodium acetate and Hermann′s catalyst in N,N-dimethylacetamide to afford diarylethene.

Purification Methods

It polymerises above 75o in the presence of benzoyl peroxide. To purify, if it has not gone to a solid resin, dissolve it in Et2O, dry (MgSO4) and add ca 0.1g of 4-tertbutylcatechol (polymerisation inhibitor) per 100g of bromostyrene. Filter, evaporate this under reduced pressure (use as high a vacuum as possible) and distil the residue. Store it in dark bottles in the presence of the inhibitor (at above concentration). [Overberger & Saunders Org Synth Coll Vol III 204 1955, Beilstein 5 IV 1349.]

4-Bromostyrene Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Bromostyrene Suppliers

Americas 1 Belgium 1 China 249 Europe 2 Germany 4 India 5 Japan 3 Lithuania 1 Slovakia 1 Switzerland 3 United Kingdom 13 United States 31 Global 314
Yantai Boyun Biological Technology Co. Ltd
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View Lastest Price from 4-Bromostyrene manufacturers

Hebei Yanxi Chemical Co., Ltd.
Product
4-Bromostyrene 2039-82-9
Price
US $25.00-10.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10 tons
Release date
2023-11-24
Shaanxi Dideu Medichem Co. Ltd
Product
4-Bromostyrene 2039-82-9
Price
US $0.10/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
1000 tons
Release date
2020-01-06
Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
4-Bromostyrene 2039-82-9
Price
US $65.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000kg/week
Release date
2024-06-07

2039-82-9, 4-BromostyreneRelated Search:

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  • 4-Bromostyrene 98%
  • 4-BROMOSTYRENE , STABILIZED WITH 0.05% T-BUTYLCATACHOL
  • 4-BROMOSTYRENE, 98%, STAB. WITH 0.1% 4-TERT-BUTYLCATECHOL
  • 4-Bromostyrene, 98%, stab. with 0.05% t-butylcatachol
  • NSC 60393
  • 4-Bromostyrene contains 0.05% 3,5-di-tert-butylcatechol as inhibitor, 97%
  • 4-Bromostyrene, stab. with 0.1% 4-tert-butylcatechol
  • 4-BroMostyrene, 95+%
  • 4-Bromostyrene,contains 200ppm TBC as inhibitor
  • 4-Bromostyrene, 98%, stabilized
  • 1-bromo-4-ethenyl-benzene, 4-Bromostyrene
  • 4-Bromostyrene, stabilized with 0.1% 4-tert-butylcatechol
  • 4-Bromostyrene Standard
  • 1-Bromo-4-vinylbenzene, 96%, stabilized with 100 - 200 ppm TBC
  • 1-Bromo-4-vinylbenzene, 96%, stabilized with 200 ppm TBC
  • p-Bromostyrene, 98% (Inhibited)
  • 4-bromophenylethylene
  • 4-Bromophenylethene
  • Parabromostyrene
  • 4-Bromostyrene, 96%, stabilized
  • 4-Bromo-1-ethenylbenzene
  • 4-Bromostyrolene
  • p-Bromostyrol
  • P-BROMOSTYRENE
  • 1-(4-Bromophenyl)ethylene
  • 1-bromo-4-ethenylbenzene
  • 1-Bromo-4-vinylbenzene
  • 1-Bromo-4-vinylbenzene ,98%
  • 1-Bromo-4-vinylbenzene ,98% [Stabilized with 100ppm 4-tert-butylcatechol]
  • 4-BroMostyrene&nbsp
  • 1-BroMo-4-vinylbenzene, 98%, stabilized with 100 ppM TBC
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  • 4-Bromstyrol
  • 4-Bromostyrene(stabilizedwithTBC)&gt
  • 4-Bromostyrene @100 μg/mL in Toluene
  • 4-Bromostyrene ISO 9001：2015 REACH
  • 4-Bromostyrene,contains 2ppm TBC as inhibitor
  • DK657
  • DK796
  • 4-bromostyrene (p-bromostyrene)
  • 2039-82-9
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