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

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

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

Molecular Weight:: 213.9

MDL Number:: MFCD07783464

MOL File:: 821-06-7.mol

MSDS File:: SDS

Last updated:2023-12-26 11:30:52

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

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)
EWG's Food Scores	1
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)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS05,GHS06

Signal word

Danger

Hazard statements

H301-H314

Precautionary statements

P260-P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338

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

RTECS

EM4725000

8-19

Hazard Note

Toxic/Corrosive

HazardClass

6.1(b)

PackingGroup

III

HS Code

29033990

NFPA 704

	1
3		0

(E)-1,4-Dibromobut-2-ene price More Price(28)

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	$97.9	2024-03-01	Buy
Sigma-Aldrich	D39207	trans-1,4-Dibromo-2-butene 99%	821-06-7	100g	$125	2024-03-01	Buy
TCI Chemical	D2944	trans-1,4-Dibromo-2-butene	821-06-7	25G	$75	2024-03-01	Buy
TCI Chemical	D2944	trans-1,4-Dibromo-2-butene	821-06-7	250G	$563	2024-03-01	Buy
TRC	D425545	(2E)-1,4-Dibromo-2-butene	821-06-7	250g	$410	2021-12-16	Buy

Product number	Packaging	Price	Buy
D39207	25g	$97.9	Buy
D39207	100g	$125	Buy
D2944	25G	$75	Buy
D2944	250G	$563	Buy
D425545	250g	$410	Buy

(E)-1,4-Dibromobut-2-ene Chemical Properties,Uses,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 1-BOC-AMINO-2-VINYLCYCLOPROPANECARBOXYLIC ACID ETHYL ESTER (E)-N,N,N',N'-tetraethyl-2-butene-1,4-diamine

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

Global( 355)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Mojin Biotechnology Co., Ltd	+8613288715578	sales@hbmojin.com	China	12470	58
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	19368	58
Capot Chemical Co.,Ltd.	571-85586718 +8613336195806	sales@capotchem.com	China	29797	60
Shanghai Daken Advanced Materials Co.,Ltd	+86-371-66670886	info@dakenam.com	China	15954	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21687	55
Nanjing ChemLin Chemical Industry Co., Ltd.	025-83697070	product@chemlin.com.cn	CHINA	3012	60
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29914	58
Zhejiang ZETian Fine Chemicals Co. LTD	18957127338	stella@zetchem.com	China	2141	58
Jinan Finer Chemical Co., Ltd	+86-531-88989536 +86-15508631887	sales@finerchem.com	China	2966	58
Xiamen AmoyChem Co., Ltd	+86-592-6051114 +8618959220845	sales@amoychem.com	China	6387	58

Supplier	Advantage
Hebei Mojin Biotechnology Co., Ltd	58
Henan Fengda Chemical Co., Ltd	58
Capot Chemical Co.,Ltd.	60
Shanghai Daken Advanced Materials Co.,Ltd	58
Henan Tianfu Chemical Co.,Ltd.	55
Nanjing ChemLin Chemical Industry Co., Ltd.	60
career henan chemical co	58
Zhejiang ZETian Fine Chemicals Co. LTD	58
Jinan Finer Chemical Co., Ltd	58
Xiamen AmoyChem Co., Ltd	58

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

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2024-06-07	(E)-1,4-Dibromobut-2-ene 821-06-7	US $5.00 / kg	1kg	≥99%	100mt/year	Jinan Finer Chemical Co., Ltd
2023-12-26	(E)-1,4-Dibromobut-2-ene 821-06-7	US $100.00-1.00 / KG	1KG	99%	g-kg-tons, free sample is available	Henan Fengda Chemical Co., Ltd
2023-10-14	(E)-1,4-Dibromobut-2-ene 821-06-7	US $0.00 / KG	1KG	99%	50000KG/month	Hebei Mojin Biotechnology Co., Ltd

(E)-1,4-Dibromobut-2-ene
821-06-7
US $5.00 / kg
≥99%
Jinan Finer Chemical Co., Ltd

(E)-1,4-Dibromobut-2-ene
821-06-7
US $100.00-1.00 / KG
99%
Henan Fengda Chemical Co., Ltd

(E)-1,4-Dibromobut-2-ene
821-06-7
US $0.00 / KG
99%
Hebei Mojin Biotechnology Co., Ltd

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

(E)-1,4-Dibromobut-2-ene(821-06-7)¹HNMR (E)-1,4-Dibromobut-2-ene(821-06-7)FT-IR (E)-1,4-Dibromobut-2-ene(821-06-7)Raman (E)-1,4-Dibromobut-2-ene(821-06-7)IR

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

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(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) trans-1,4-Dibromo-2-butene 4-dibromo-trans-2-buten 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, 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 Tran-1,4-Dibromo-2-Butylene trans-1,4-Dibromo-2-butene> 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 Dibromobutene trans-1,4-Dibromo-2-butene 821-06-7 C4H6Br2 BrCH2CHCHCH2Br medical intermediates aliskiren Alkenyl Halogenated Hydrocarbons Organic Building Blocks bc0001 821-06-7