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Bromodimethylborane

CAS 5158-50-9(CH3)2BBrChemical Synthesis

Bromodimethylborane (CAS 5158-50-9), with the linear formula (CH₃)₂BBr and a molecular weight of 120.78 g/mol, is a highly reactive organoboron compound. It serves as a valuable reagent in organic synthesis, particularly in reduction reactions and as a synthetic building block. Its volatile nature and reactivity necessitate careful handling under inert conditions, making it a specialised chemical for advanced laboratory and industrial applications.

IUPAC
Dimethylboron bromide
Synonyms
Dimethylboron bromide
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Bromodimethylborane ((CH3)2BBr) — chemical structure, CAS 5158-50-9; Chemistry, fine chemical supplied by Tech Serve Solutions
BoranesChemical SynthesisReductionSynthetic Reagents
01 /Applications

Organic Synthesis Reagent

Bromodimethylborane is employed as a versatile reagent in various organic transformations. Its utility lies in its ability to participate in reactions requiring a source of dimethylboryl groups or as a precursor for other organoboron compounds.

Reduction Reactions

This compound can function as a reducing agent in specific synthetic pathways. Its controlled reactivity allows for selective reductions in complex molecular architectures, contributing to the synthesis of fine chemicals and pharmaceutical intermediates.

Boron Chemistry

As a member of the borane family, Bromodimethylborane is instrumental in exploring and expanding the field of boron chemistry. It enables the synthesis of novel boron-containing materials and organometallic complexes.

02 /Properties
Molecular weight120.78
Linear formula(CH3)2BBr
Boiling point31-32 °C(lit.)
Density1.238 g/mL at 25 °C(lit.)
Vapour pressure10.4 psi (20 °C)
Storage temperature2-8°C
Melting point−129 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
Danger

Hazard statements

  • H224Extremely flammable liquid and vapour
  • H250Catches fire spontaneously if exposed to air
  • H314Causes severe skin burns and eye damage

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
  • P222Do not allow contact with air
  • P231Handle under inert gas
  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P422
Protective equipmentFaceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US)
Flash point-37 °C / -34.6 °F
Transport (UN / ADR)UN 2845 4.2
Water hazard class (WGK, DE)3
Hazard codes (EU)F,C
Risk statements (R)17-34
Safety statements (S)16-26-27-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
5158-50-9
MDL number
MFCD00000053
PubChem substance
24858114
Beilstein registry
1730828
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Bromodimethylborane primarily used for?

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Bromodimethylborane is primarily used as a reagent in organic synthesis, particularly in reduction reactions and as a synthetic building block for creating other organoboron compounds.

What is the CAS number and formula for Bromodimethylborane?

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The CAS number for Bromodimethylborane is 5158-50-9, and its linear formula is (CH₃)₂BBr.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Bromodimethylborane in technical/research grades. We do not represent this product as meeting USP/BP/EP pharmacopoeia standards.

How should Bromodimethylborane be handled safely?

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Bromodimethylborane is a highly flammable liquid and vapour, causes severe skin burns and eye damage, and is pyrophoric. It must be handled with extreme caution under an inert atmosphere (e.g., nitrogen or argon), using appropriate personal protective equipment including a face shield, gloves, and respiratory protection. Avoid contact with ignition sources and oxidising agents.

Is Bromodimethylborane available for export?

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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Bromodimethylborane, to customers worldwide.

How can I request a sample or quote for Bromodimethylborane?

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To request a sample or a quotation for Bromodimethylborane, please contact our sales team via the website or by phone. Provide your specific requirements and shipping details.

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