4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole

Base Information

Chemical Name:4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole
CAS No.:2255-79-0
Molecular Formula:C7H4 Br2 N2 S
Molecular Weight:310.00894
Hs Code.:2934999090
DSSTox Substance ID:DTXSID50480015
Nikkaji Number:J443.274F
Wikidata:Q82314477
Mol file:2255-79-0.mol

Synonyms:4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole;2255-79-0;4,7-Dibromo-5-methyl-2,1,3-benzothiadiazole;SCHEMBL13845365;DTXSID50480015;4, 7-dibromo-5-methyl-2, 1, 3-benzothiadiazole;4,7-DIBROMO-5-METHYLBENZO[1,2,5]THIADIAZOLE

Suppliers and Price of 4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole

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

Crysdot
4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole 95+%
1g
$ 772.00

Chemenu
4,7-dibromo-5-methylbenzo[c][1,2,5]thiadiazole 95%
1g
$ 729.00

Alichem
4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole
1g
$ 653.12

Total 9 raw suppliers

Chemical Property of 4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole

Chemical Property:

Melting Point:145.5-146.5 °C
Boiling Point:342.6±37.0 °C(Predicted)
PKA:-3.13±0.50(Predicted)
PSA：44.37000
Density:2.079±0.06 g/cm3(Predicted)
LogP:0.99010
XLogP3:3.5
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:0
Exact Mass:307.84415
Heavy Atom Count:12
Complexity:181

Purity/Quality:

99% ^*data from raw suppliers

4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole 95+% ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CC1=C(C2=NSN=C2C(=C1)Br)Br

Technology Process of 4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole

There total 6 articles about 4,7-Dibromo-5-methylbenzo[c][1,2,5]thiadiazole 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: 82.6%

: 1457-93-8
5-methylbenzo[c][1,2,5]thiadiazole

: 2255-79-0
4,7-dibromo-5-methylbenzo[C][1,2,5]thiadiazole

Guidance literature:: With hydrogen bromide; bromine; In water; at 125 ℃; for 6h;
DOI:10.1002/chem.201200730

Reference yield:

: 496-72-0
4-methyl-1,2-diaminobenzene

: 2255-79-0
4,7-dibromo-5-methylbenzo[C][1,2,5]thiadiazole

Guidance literature:: Multi-step reaction with 2 steps

1: triethylamine; thionyl chloride / chloroform / 8 h / Reflux

2: hydrogen bromide; bromine / 8 h / 120 °C

With thionyl chloride; hydrogen bromide; bromine; triethylamine; In chloroform;
DOI:10.1002/pola.27888

Reference yield:

: 2255-81-4
4-bromo-5-methyl-benzo[1,2,5]thiadiazole

: 2255-79-0
4,7-dibromo-5-methylbenzo[C][1,2,5]thiadiazole

Guidance literature:: Multi-step reaction with 3 steps

1: NaNO₃, H₂SO₄ / 95 - 100 °C

2: aq. Na₂S₂O₄ / ethanol

3: (i) NaNO₂, H₂SO₄, (ii) CuBr, aq. HBr

With sodium nitrate; sodium dithionite; sulfuric acid; In ethanol;
DOI:10.1007/BF00468340