1,4-Dibromo-2-butene

Base Information

Chemical Name:1,4-Dibromo-2-butene
CAS No.:821-06-7
Molecular Formula:C4H6Br2
Molecular Weight:213.9
Hs Code.:29033990
European Community (EC) Number:212-472-7,230-219-9
UN Number:2588
DSSTox Substance ID:DTXSID8024941
Nikkaji Number:J55.489H,J7.120J
Wikidata:Q72464010
ChEMBL ID:CHEMBL1324439
Mol file:821-06-7.mol

Synonyms:trans-1,4-dibromo-2-butene

Suppliers and Price of 1,4-Dibromo-2-butene

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

TRC
(2E)-1,4-Dibromo-2-butene
250g
$ 410.00

TCI Chemical
trans-1,4-Dibromo-2-butene
250G
$ 397.00

TCI Chemical
trans-1,4-Dibromo-2-butene
25G
$ 40.00

SynQuest Laboratories
(2E)-1,4-Dibromobut-2-ene 98%
500 g
$ 192.00

SynQuest Laboratories
(2E)-1,4-Dibromobut-2-ene 98%
100 g
$ 77.00

SynQuest Laboratories
(2E)-1,4-Dibromobut-2-ene 98%
25 g
$ 31.00

Sigma-Aldrich
trans-1,4-Dibromo-2-butene 99%
25g
$ 83.70

Sigma-Aldrich
trans-1,4-Dibromo-2-butene 99%
100g
$ 274.00

Oakwood
1,4-Dibromo-2-butene 98%
25g
$ 25.00

Oakwood
1,4-Dibromo-2-butene 98%
1g
$ 10.00

Total 149 raw suppliers

Chemical Property of 1,4-Dibromo-2-butene

Chemical Property:

Appearance/Colour:white to light yellow crystal powder
Melting Point:48-51 °C(lit.)
Refractive Index:1.5361 (estimate)
Boiling Point:203 °C at 760 mmHg
Flash Point:71.9 °C
PSA：0.00000
Density:1.867 g/cm³
LogP:2.33240
Storage Temp.:Refrigerator
Solubility.:Chloroform (Slightly), Methanol (Slightly)
Water Solubility.:slightly soluble
XLogP3:2.1
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:0
Rotatable Bond Count:2
Exact Mass:213.88158
Heavy Atom Count:6
Complexity:34.8
Transport DOT Label:Poison

Purity/Quality:

99% ^*data from raw suppliers

(2E)-1,4-Dibromo-2-butene ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:T,C
Statements: 25-34-23/25
Safety Statements: 26-36/37/39-45-28A

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C(C=CCBr)Br
Isomeric SMILES:C(/C=C/CBr)Br
Uses (2E)-1,4-Dibromo-2-butene, is used as a reagent in the preparation of diaminoalkenes though copper-mediated diamination reaction.

Technology Process of 1,4-Dibromo-2-butene

There total 27 articles about 1,4-Dibromo-2-butene which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 100.0%

: 106-99-0,130983-70-9,29406-96-0,9003-17-2
buta-1,3-diene

: 821-06-7
(E)-1,4-dibromobutene

Guidance literature:: With bromine; In chloroform; at -78 - 23 ℃;
DOI:10.1021/ja508632y

Reference yield: 95.0%

: 106-95-6
allyl bromide

: 18866-73-4
cis-1,4-dibromo-2-butene

: 821-06-7
(E)-1,4-dibromobutene

: 74-85-1
ethene

Guidance literature:: With Hoveyda-Grubbs catalyst second generation; In acetone; at 25 ℃; for 1h; Overall yield = > 95 %; Flow reactor;
DOI:10.1021/op500223e