ChemicalBook--->CAS DataBase List--->5158-50-9

5158-50-9

5158-50-9 Structure

5158-50-9 Structure
IdentificationBack Directory
[Name]

DIMETHYLBORON BROMIDE
[CAS]

5158-50-9
[Synonyms]

(CH3)2BBr
BROMODIMETHYLBORANE
DIMETHYLBORON BROMIDE
Borane, bromodimethyl-
Bromodimethylborane, 97%,
Dimethylboron bromide, 97+%
Borane, bromodimethyl- (7CI,8CI,9CI)
[Molecular Formula]

C2H6BBr
[MDL Number]

MFCD00000053
[MOL File]

5158-50-9.mol
[Molecular Weight]

120.78
Chemical PropertiesBack Directory
[Melting point ]

-129°C
[Boiling point ]

31-32°C
[density ]

1,238 g/cm3
[vapor pressure ]

10.4 psi ( 20 °C)
[Fp ]

-37°C
[refractive index ]

1.399
[storage temp. ]

2-8°C
[solubility ]

sol dichloromethane, 1,2-dichloroethane, hexane.
[form ]

Liquid
[Sensitive ]

Air & Moisture Sensitive
[BRN ]

1730828
Safety DataBack Directory
[Hazard Codes ]

F,C
[Risk Statements ]

17-34
[Safety Statements ]

17-26-36/37/39-45-27-16
[RIDADR ]

3203
[WGK Germany ]

3
[HazardClass ]

4.2
[PackingGroup ]

I
Spectrum DetailBack Directory
[Spectrum Detail]

DIMETHYLBORON BROMIDE(5158-50-9)Raman
Hazard InformationBack Directory
[Reactivity Profile]

Dimethylboron bromide is a mild Lewis acid capable of selective cleavage of ethers and acetals; deoxygenation of sulfoxides.
[Synthesis]

Dimethylboron bromide can be conveniently prepared by treating Tetramethylstannane with Boron Tribromide.
[Precautions]

Dimethylboron bromide is a flammable liquid, moisture sensitive; typically stored and dispensed as a 1.5-2 M solution in dichloromethane or dichloroethane. Solutions of this sort are stable for a period of months if stored at -15 °C and properly protected from moisture.
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