Disulphur dibromide

Base Information

• Chemical Name: Disulphur dibromide
• CAS No.: 13172-31-1
• Molecular Formula: Br2S2
• Molecular Weight: 223.94
• European Community (EC) Number: 236-119-1
• UNII: L9DU8F2SHZ
• DSSTox Substance ID: DTXSID00157189
• Wikipedia: Disulfur_dibromide
• Wikidata: Q10880269
• Mol file: 13172-31-1.mol

Synonyms:Disulphur dibromide;Disulfur dibromide;L9DU8F2SHZ;EINECS 236-119-1;13172-31-1;bromosulfanyl thiohypobromite;Sulfur bromide;Br2S2;S2Br2;UNII-L9DU8F2SHZ;Sulfur bromide (S2Br2);Br2-S2;S2 Br2;DTXSID00157189;Q10880269

Chemical Property of Disulphur dibromide

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Density: 2.703g/cm³
• XLogP3: 2.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 223.77877
• Heavy Atom Count: 4
• Complexity: 6

Purity/Quality:

98%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: S(SBr)Br

Technology Process of Disulphur dibromide

There total 32 articles about Disulphur dibromide 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: 29.0%

{bis(trifluoromethyl)thiophosphoryl}thio-bis(trifluoromethyl)phosphine (23526-69-4) → disulphur dibromide (13172-31-1) + bis(trifluoromethyl)bromophosphane (758-45-2) + Bis(trifluormethyl)-thiophosphinsaeurebromid (18799-77-4)

Guidance literature:

bromolysis first at 0°C (1 h) finally at 20°C (24 h);

DOI:10.1021/ja00739a004

Reference yield:

bromine (7726-95-6) → disulphur dibromide (13172-31-1) + hydrogen bromide (10035-10-6,12258-64-9)

Guidance literature:

With hydrogen sulfide; In water; exotherm reaction;

Reference yield:

bromine (7726-95-6) + phosphorus trichloride (7719-12-2,52843-90-0) → disulphur dibromide (13172-31-1) + trichlorophosphate (10025-87-3,12599-09-6,63736-95-8,39380-77-3)

Guidance literature:

With sulfur dioxide; In neat (no solvent); exothermic reaction of SO2 with mixture of equimolar amounts PCl3 and Br2;; separation via distillation;;

upstream raw materials:

bromine

sulfur

phosphorus trichloride

hydrogen sulfide

Downstream raw materials:

vanadium(III) bromide

boron trichloride

aluminium bromide

sulfur monoidide