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

Product Name: (E)-1,4-Dibromobut-2-ene
CAS No.: 821-06-7
Chemical Name: (E)-1,4-Dibromobut-2-ene
Synonyms: trans-1,4-Dibromo-2-butene;Dibromobutene;4-DibroMo-2-butene;1,4-Dibromo-1-butene;(E)-1,4-Dibromobut-2;1,4-DIBROMO-2-PENTENE;4-dibromo-(e)-2-buten; 1,4-dibromo-, trans-;1,4-Dibromo-2-butene, E;4-dibromo-trans-2-buten
CBNumber: CB3312702
Molecular Formula: C4H6Br2
Formula Weight: 213.9
MOL File: 821-06-7.mol

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

Melting point:: 48-51 °C(lit.)
Boiling point:: 205 °C(lit.)
Density: 1.9393 (estimate)
refractive index: 1.5361 (estimate)
Flash point:: 113°C
storage temp.: 2-8°C
solubility: Chloroform (Slightly), Methanol (Slightly)
form: Crystals or Crystalline Powder
color: colorless to slightly brown
Water Solubility: slightly soluble
BRN: 1719696
Stability:: Light Sensitive
InChIKey: RMXLHIUHKIVPAB-OWOJBTEDSA-N
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)

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Safety

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
F: 8-19
Hazard Note: Toxic/Corrosive
HazardClass: 6.1(b)
PackingGroup: III
HS Code: 29033990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H314Causes severe skin burns and eye damage

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P270Do not eat, drink or smoke when using this product.

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

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: D39207
Product name: trans-1,4-Dibromo-2-butene
Purity: 99%
Packaging: 25g
Price: $97.9
Updated: 2024/03/01

Sigma-Aldrich

Product number: D39207
Product name: trans-1,4-Dibromo-2-butene
Purity: 99%
Packaging: 100g
Price: $125
Updated: 2024/03/01

TCI Chemical

Product number: D2944
Product name: trans-1,4-Dibromo-2-butene
Packaging: 25G
Price: $75
Updated: 2024/03/01

TCI Chemical

Product number: D2944
Product name: trans-1,4-Dibromo-2-butene
Packaging: 250G
Price: $563
Updated: 2024/03/01

TRC

Product number: D425545
Product name: (2E)-1,4-Dibromo-2-butene
Packaging: 250g
Price: $410
Updated: 2021/12/16

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

Chemical Properties

white to light yellow crystal powde

Uses

(2E)-1,4-Dibromo-2-butene, is used as a reagent in the preparation of diaminoalkenes though copper-mediated diamination reaction.

Synthesis Reference(s)

The Journal of Organic Chemistry, 36, p. 3324, 1971 DOI: 10.1021/jo00821a012

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

1,4-dibromo-2,3-butanediol DL-Dithiothreitol

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

Americas 1 Belgium 1 China 294 Czech Republic 1 Europe 3 Germany 3 India 13 Japan 1 Slovakia 1 Switzerland 2 United Kingdom 11 United States 26 Global 357

Huaian yishu technology co.,ltd

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Anhui Jianzhu Biotechnology Co., Ltd.

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Email: 3150278607@qq.com
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Nantong Haigine Pharma Technology Co., Ltd

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Wuhan EnTai Technology Development Co,.Ltd

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J & K SCIENTIFIC LTD.

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3B Pharmachem (Wuhan) International Co.,Ltd.

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TAIYUAN RHF CO.,LTD.

Tel: +86 351 7031519
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TCI (Shanghai) Development Co., Ltd.

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

Hebei Weibang Biotechnology Co., Ltd

Product: (E)-1,4-Dibromobut-2-ene 821-06-7
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-24

Henan Fengda Chemical Co., Ltd

Product: (E)-1,4-Dibromobut-2-ene 821-06-7
Price: US $100.00-1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: g-kg-tons, free sample is available
Release date: 2023-12-26

Hebei Mojin Biotechnology Co., Ltd

Product: (E)-1,4-Dibromobut-2-ene 821-06-7
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-10-13

821-06-7, (E)-1,4-Dibromobut-2-eneRelated Search:

CIS-BUTENEDIOIC ANHYDRIDE Maleic acid CIS-2-BUTENE Fumaric acid 1,3-Dibromo-5,5-dimethylhydantoin 1,3-Dibromopropane 2-Butene 3-METHYL-3-BUTEN-1-OL trans,trans-2,4-Undecadienal 1-BUTENE TRAUMATIC ACID TRANS-2-OCTENOIC ACID trans-2-Octenoic acid methyl ester trans-2-Pentenal (+/-)-trans-1,2-Diaminocyclohexane TRANS-1,4-CYCLOHEXANEDIOL trans-1,2-Cyclopentanediol TRANS-CYCLOBUTANE-1,2-DICARBOXYLIC ACID

(2E)-1,4-Dibromo-2-butene

(E)-1,4-Dibromo-2-butene

1,4-Dibromo-2-butene, E

1,4-trans-Dibromobutene-2

2-Butene, 1,4-dibromo-, trans-

4-dibromo-(e)-2-buten

1,4-DIBROMO-2-PENTENE

Trans1butene4-dibroMo -2-

trans-1,4-DibroMo-2-butene 99%

1,4-dibroMo-2-butene (trans)

<i>trans</i>-1,4-Dibromo-2-butene

Tran-1,4-Dibromo-2-Butylene

4-dibromo-trans-2-buten

Dibromobutene

1,4-DIBROMO-2-BUTENE, 99%, PREDOMINANTLY TRANS

1,4-Dibromo-2-Butene,~97%

2-Butene, 1,4-dibromo-, (2E)-

1,4-Dibromo-1-butene

4-dibromo- trans-2-butene

1,4-dibromo-, trans-

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

trans-1,4-Dibromo-2-butene

trans-1,4-DibroMo-2-butene, 97% 100GR

trans-1,4-DibroMo-2-butene, 97% 25GR

1,4-Dibromo-(E)-2-butene

1,4-Dibromo-trans-2-butene

trans-1,4-Dibromo-2-butene,97%

trans-1,4-Dibromo-2-butene ,99%

(E)-1,4-Dibromobut-2

trans-1,4-Dibromo-2-butene ,96%

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

4-DibroMo-2-butene

trans-1,4-Dibromo-2-butene&gt

trans-1,4-Dibrombut-2-en

(E)-1,4-Dibromobut-2-ene ISO 9001：2015 REACH

(2E)-1,4-Dibromo-2-butene 1

TIANFUCHEM--821-06-7---(E)-1,4-Dibromobut-2-ene

821-06-7

C4H6Br2

BrCH2CHCHCH2Br

medical intermediates

aliskiren

Alkenyl

Halogenated Hydrocarbons

Organic Building Blocks

bc0001

821-06-7