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(E)-1,4-Dibromobut-2-ene structure
Chemical Name:
Dibromobutene;4-DibroMo-2-butene;1,4-Dibromo-1-butene;(E)-1,4-Dibromobut-2;4-dibromo-(e)-2-buten;1,4-DIBROMO-2-PENTENE; 1,4-dibromo-, trans-;1,4-Dibromo-2-butene, E;4-dibromo-trans-2-buten;(E)-1,4-Dibromo-2-butene
Molecular Formula:
Formula Weight:
MOL File:

(E)-1,4-Dibromobut-2-ene Properties

Melting point:
48-51 °C(lit.)
Boiling point:
205 °C(lit.)
1.9393 (estimate)
refractive index 
1.5361 (estimate)
Flash point:
storage temp. 
Crystals or Crystalline Powder
colorless to slightly brown
Water Solubility 
slightly soluble
CAS DataBase Reference
821-06-7(CAS DataBase Reference)
NIST Chemistry Reference
2-Butene, 1,4-dibromo-, (E)-(821-06-7)
EPA Substance Registry System
2-Butene, 1,4-dibromo-, (2E)-(821-06-7)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T,C
Risk Statements  25-34-23/25
Safety Statements  26-36/37/39-45-28A
RIDADR  UN 2923 8/PG 2
WGK Germany  2
RTECS  EM4725000
Hazard Note  Toxic/Corrosive
HazardClass  6.1(b)
PackingGroup  III
HS Code  29033990
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P310 Immediately call a POISON CENTER or doctor/physician.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P405 Store locked up.
P501 Dispose of contents/container to..…

(E)-1,4-Dibromobut-2-ene price More Price(2)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D39207 trans-1,4-Dibromo-2-butene 99% 821-06-7 25g $82.6 2018-11-13 Buy
Sigma-Aldrich D39207 trans-1,4-Dibromo-2-butene 99% 821-06-7 100g $259 2018-11-13 Buy

(E)-1,4-Dibromobut-2-ene Chemical Properties,Uses,Production

Chemical Properties

white to light yellow crystal powde

General Description

Crystals or white crystalline solid.

Air & Water Reactions

(E)-1,4-Dibromobut-2-ene may be sensitive to exposure to light and air. Insoluble in water.

Reactivity Profile

(E)-1,4-Dibromobut-2-ene is incompatible with strong oxidizers and strong bases.

Fire Hazard

(E)-1,4-Dibromobut-2-ene is probably combustible.

Purification Methods

Crystallise the dibromide from ligroin and/or distil it in a vacuum. [Beilstein 1 IV 79.]

(E)-1,4-Dibromobut-2-ene Preparation Products And Raw materials

Raw materials

Preparation Products

(E)-1,4-Dibromobut-2-ene Suppliers

Global( 202)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86 (0)571-855 867 18
+86 (0)571-858 647 95 China 19954 60
Henan DaKen Chemical CO.,LTD.
+86-371-55531817 CHINA 22043 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20786 55
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32651 55
Nanjing ChemLin Chemical Industry Co., Ltd.
025-83697070; CHINA 3015 60
Chemwill Asia Co.,Ltd.
86-21-51861608;;; CHINA 24118 58
career henan chemical co
+86-371-86658258 CHINA 19997 58
Wuhan EnTai Technology Development Co,.Ltd 86-27-82330560
86-27-82330547 China 353 69
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40395 62

View Lastest Price from (E)-1,4-Dibromobut-2-ene manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-25 (E)-1,4-Dibromobut-2-ene
US $7.00 / kg 1kg 99% 100kg career henan chemical co

(E)-1,4-Dibromobut-2-ene Spectrum

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