Bromodimethylborane

Base Information

• Chemical Name: Bromodimethylborane
• CAS No.: 5158-50-9
• Molecular Formula: C2H6 B Br
• Molecular Weight: 120.785
• Hs Code.: 2931900090
• European Community (EC) Number: 633-431-3
• UNII: EB60O8M22H
• DSSTox Substance ID: DTXSID50199534
• Nikkaji Number: J985.093G
• Wikidata: Q27277086
• Mol file: 5158-50-9.mol

Synonyms:bromodimethylborane;dimethylboronbromide;DMBBr

Chemical Property of Bromodimethylborane

Chemical Property:

• Vapor Pressure: 602mmHg at 25°C
• Melting Point: -129°C
• Refractive Index: 1.399
• Boiling Point: 31-32°C
• Flash Point: -37°C
• PSA: 0.00000
• Density: 1,238 g/cm3
• LogP: 1.63240
• Storage Temp.: 2-8°C
• Sensitive.: Air & Moisture Sensitive
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 119.97459
• Heavy Atom Count: 4
• Complexity: 13.5

Purity/Quality:

99% ^*data from raw suppliers

Bromodimethylborane ^*data from reagent suppliers

Safty Information:

• Pictogram(s): F,C
• Hazard Codes: F,C
• Statements: 17-34
• Safety Statements: 17-26-36/37/39-45-27-16

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: B(C)(C)Br

Technology Process of Bromodimethylborane

There total 5 articles about Bromodimethylborane 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: 76.0%

2,8-dibromo-3,4,6,7-tetrathia-1-aza-2,5,8-triborabicyclo{3.3.0(1,5)}octane (124665-16-3) + bis(dimethylboryl)disulphane (27484-88-4) → 9-methyl-2,3,5,6,8,10-hexathia-11-aza-1,4,7,9-tetraboratricyclo{6.2.1.0(1,11)}undecane (124665-19-6) + trimethylborane (593-90-8) + dimethylboron bromide (5158-50-9) + 3,5-dimethyl-1,2,4-trithia-3,5-diborolane (25592-09-0)

Guidance literature:

In toluene; N2 atmosphere; addn. of soln. of (Me2BS)2 to soln. of BN(BBr2)2 (room temp., stirring), heating (70°C, 36 h); sepn. of solid, removal of volatiles, sepn. of educt (sublimation, 110°C, 1.3 Pa); elem. anal.;

Reference yield: 28.0%

2,8-dibromo-3,4,6,7-tetrathia-1-aza-2,5,8-triborabicyclo{3.3.0(1,5)}octane (124665-16-3) + bis(dimethylboryl)disulphane (27484-88-4) → sulfur (10544-50-0) + (BS2)3N (124692-00-8) + dimethylboron bromide (5158-50-9) + 3,5-dimethyl-1,2,4-trithia-3,5-diborolane (25592-09-0)

Guidance literature:

In toluene; N2 atmosphere; addn. of soln. of (Me2BS)2 to soln. of BN(BBr2)2 (-10°C, stirring), warming to room temp., stirring (room temp., 48 h); filtration, washing (toluene); elem. anal.;

Reference yield:

dimethyl thioboric acid (31732-16-8) → sulfur (10544-50-0) + dimethylboron bromide (5158-50-9) + hydrogen sulfide (7783-06-4)

Guidance literature:

With bromine;

upstream raw materials:

2,8-dibromo-3,4,6,7-tetrathia-1-aza-2,5,8-triborabicyclo{3.3.0(1,5)}octane

bis(dimethylboryl)disulphane

dimethyl thioboric acid

dibromomethylborane

Downstream raw materials:

Phenylmercapto-dimethyl-boran

(2,2-Dimethyl-hydrazino)-dimethyl-boran

C₁₅H₁₆BNS

(2S)-2-cyclopentyl-2-[9H-fluorene-9-ylmethoxycarbonyl(methyl)amino]acetic acid

Refernces

• 1、 Kendrick, Aidan,Noeth, Heinrich,Stalla, Beate,Storch, Wolfgang. "Contributions to the Chemistry of Boron. Part 194. Synthesis and Characterization of Mono, Bi-, and Tri-cyclic Boron-Nitrogen-Sulphur Ring Systems. Crystal Structure of 2,7,9,14-Tetrakis(diethylamino)-3,5,6,10,12,13-hexathia-1,8-diaza-2,4,7,9,11,14-hexaboratricyclo4,8> tetra...". . p. 1311 - 1320. Retrieved 2007/10/02.