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ChemicalBook >> CAS DataBase List >>1,2-Dibromoethylene

1,2-Dibromoethylene

1,2-Dibromoethylene Structure
1,2-Dibromoethylene structure
CAS No.
540-49-8
Chemical Name:
1,2-Dibromoethylene
Synonyms
(E)-1,2-Dibromoethene;1,2-DIBROMOETHENE;Dibromoethylene;1,2-Dibromethen;Acetylendibromid;dibromomethylene;s-Dibromoethylene;1,2-dibromo-ethen;sym-Dibromoethylene;2-bromovinylbromide
CBNumber:
CB3356878
Molecular Formula:
C2H2Br2
Lewis structure
c2h2br2 lewis structure
Molecular Weight:
185.85
MDL Number:
MFCD00000184
MOL File:
540-49-8.mol
MSDS File:
SDS
Last updated:2026-09-12 18:52:00
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1,2-Dibromoethylene Properties

Melting point 9.9°C
Boiling point 107-110 °C(lit.)
Density 2.27 g/mL at 20 °C(lit.)
refractive index n20/D 1.542
storage temp. 2-8°C
form clear liquid
color Colorless to Light yellow to Light orange
Merck 14,91
BRN 1719351
Henry's Law Constant 1.2×10-2 mol/(m3Pa) at 25℃, Duchowicz et al. (2020)
Dielectric constant 7.2(Ambient)
InChI 1S/C2H2Br2/c3-1-2-4/h1-2H/b2-1+
InChIKey UWTUEMKLYAGTNQ-OWOJBTEDSA-N
SMILES Br\C=C\Br
CAS DataBase Reference 540-49-8(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 6X038ODO8B
EPA Substance Registry System 1,2-Dibromoethylene (540-49-8)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Skull and Crossbones (GHS06)
GHS06
Signal word  Danger
Hazard statements  H301-H315-H319-H335
Precautionary statements  P261-P264-P270-P301+P310-P302+P352-P305+P351+P338
target organs Respiratory system
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  T
Risk Statements  25-36/37/38
Safety Statements  26-36/37/39-45
RIDADR  UN 2810 6.1/PG 3
WGK Germany  3
RTECS  KV7700000
TSCA  TSCA listed
HS Code  2903.39.2050
HazardClass  6.1(b)
PackingGroup  III
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications Acute Tox. 3 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
Hazardous Substances Data 540-49-8(Hazardous Substances Data)
NFPA 704
0
2 0

1,2-Dibromoethylene price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D40809 1,2-Dibromoethylene, mixture of cis and trans 98% 540-49-8 5g $111 2026-04-30 Buy
Sigma-Aldrich D40809 1,2-Dibromoethylene, mixture of cis and trans 98% 540-49-8 25g $189 2026-04-30 Buy
TCI Chemical D0186 1,2-Dibromoethylene (cis- and trans- mixture) >98.0%(GC) 540-49-8 25g $189 2026-04-30 Buy
Biosynth AAA54049 1,2-Dibromoethylene (cis- and trans- mixture) 540-49-8 25g $312.5 2026-06-04 Buy
Apolloscientific OR925083 1,2-Dibromoethylene, mixture of cis- and trans- 98% 540-49-8 1g $21 2026-06-04 Buy
Product number Packaging Price Buy
D40809 5g $111 Buy
D40809 25g $189 Buy
D0186 25g $189 Buy
AAA54049 25g $312.5 Buy
OR925083 1g $21 Buy

1,2-Dibromoethylene Chemical Properties,Uses,Production

Chemical Properties

CLEAR COLOURLESS TO LIGHT YELLOW LIQUID

Toxics Screening Level

The initial threshold screening level (ITSL) for 1,2-dibromoethylene (CAS # 540-49-8) is 0.1 μg/m3 annual averaging time.

1,2-Dibromoethylene Preparation Products And Raw materials

Raw materials

Tribromoethylene 1,1,2,2-Tetrabromoethane

Preparation Products

3-(1，2，2，2-tetrabromoethyl)-2，2-dimethyl cyclo-propane carboxylic acid Deltamethrin bromoethyne dibromoacetylene Acetal

1,2-Dibromoethylene Suppliers

Global( 123)Suppliers
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
RYSS TECH LTD 400-188-0725 +86 21 34310725 13611771617 China 1999 57
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14412 57
Maya High Purity Chemicals +86 (573) 82222445 (0)18006601000 452520369 sales@maya-r.com China 11693 57
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28364 80
TCI Europe 320-37350700 sales@tcieurope.eu Europe 23654 75
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61
Shanghai Hanhong Scientific Co.,Ltd. 64
RYSS TECH LTD 57
Tianjin heowns Biochemical Technology Co., Ltd. 57
Maya High Purity Chemicals 57
TOKYO CHEMICAL INDUSTRY CO., LTD. 80
TCI Europe 75

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  • Jul 24,2026

View Lastest Price from 1,2-Dibromoethylene manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1,2-Dibromoethylene (cis- and trans- mixture) pictures 2026-09-02 1,2-Dibromoethylene (cis- and trans- mixture)
540-49-8
 $5.00 1KG 99% Henan Fengda Chemical Co., Ltd
1,2-Dibromoethylene, mixture of cis and trans pictures 2021-07-02 1,2-Dibromoethylene, mixture of cis and trans
540-49-8
 $10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd

1,2-Dibromoethylene Spectrum

1,2-DIBROMOETHYLENE(540-49-8)MS1,2-DIBROMOETHYLENE(540-49-8)1HNMR1,2-DIBROMOETHYLENE(540-49-8)IR11,2-DIBROMOETHYLENE(540-49-8)Raman

540-49-8(1,2-Dibromoethylene)Related Search:

Methane Ethanol 1,2-Dibromoethane Methanol 1,2-Dibromo-1,2-dichloroethane
Vinylidene bromide Deltamethrin Acetylene Vinyl bromide DELTAMETHRIN SOLUTION 100UG/ML IN ACETONITRILE 1ML
Chloropicrin & ethylene dibromide 1,2-Dibromoethylene cis-1,2-Dibromoethylene

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