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Chemical substance

Dimethylboronbromide

Also known as Bromodimethylborane, Borane, bromodimethyl-, DMBBr

CAS 5158-50-9Formula C2H6BBrMolar mass 120.79 g/molEC 633-431-3
GHS signal word: Danger. Pictograms: Flammable, Corrosive
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Dimethylboronbromide chemical structure, C2H6BBr, CAS 5158-50-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5158-50-9
Formula
C2H6BBr
Molar mass
120.79 g/mol
EC number
633-431-3
HS code
293190

What is Dimethylboronbromide?

Plain description, key identifiers and synonyms

Dimethylboronbromide is a chemical substance with the molecular formula C2H6BBr and a molar mass of 120.79 g/mol. Its CAS registry number is 5158-50-9. The IUPAC name is bromo(dimethyl)borane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
bromo(dimethyl)borane
CAS number
5158-50-9 CAS number cross-checked
EC number
633-431-3
Molecular formula
C2H6BBr
UNII
EB60O8M22H
InChIKey
ABQPEYRVNHDPIO-UHFFFAOYSA-N
InChI
InChI=1S/C2H6BBr/c1-3(2)4/h1-2H3
SMILES (canonical and isomeric)
B(C)(C)Br

Synonyms

  • Bromodimethylborane
  • Borane, bromodimethyl-
  • DMBBr
  • Dimethylboron bromide
  • bromo(dimethyl)borane
  • Dimethylbromoborane
  • Me2BBr
  • Bromodi(methyl)borane
  • (CH3)2BBr
  • Borine, bromodimethyl-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
120.79 g/molcalc.
Exact mass
119.9746 Dacalc.
LogP (octanol/water)
1.63calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
4calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive

Hazard statements

  • H224Extremely flammable liquid and vapour.
  • H250Catches fire spontaneously if exposed to air.
  • H314Causes severe skin burns and eye damage.
Precautionary statements (24)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P222Do not allow contact with air.
  • P231Handle and store contents under inert gas.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P335 + P334If on skin: Brush off loose particles from skin. Immerse in cool water or wrap in wet bandages.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Dimethylboronbromide suppliers

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Dimethylboronbromide price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Dimethylboronbromide is traded under.

HS 2931.90Indicative HS code

Organo-inorganic compounds, other than tetramethyl lead, tetraethyl lead, tributyltin compounds…

World exports in 2024
$3.97B
+5.3% vs 2023, imports $3.93B
2019 to 2024
Top exporters
  1. China28.3%
  2. United States15.6%
  3. Germany15.1%
Top importers
  1. United States14.6%
  2. China13.0%
  3. South Korea8.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Dimethylboronbromide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Dimethylboronbromide, based on the data on this page

What is Dimethylboronbromide?

Dimethylboronbromide is a chemical substance with the molecular formula C2H6BBr and a molar mass of 120.79 g/mol. Its CAS registry number is 5158-50-9. The IUPAC name is bromo(dimethyl)borane.

What is the CAS number of Dimethylboronbromide?

The CAS registry number of Dimethylboronbromide is 5158-50-9.

What is the molecular formula and weight of Dimethylboronbromide?

The molecular formula of Dimethylboronbromide is C2H6BBr and its molar mass is 120.79 g/mol.

Is Dimethylboronbromide hazardous?

Dimethylboronbromide carries the GHS signal word "Danger". Main hazards: extremely flammable liquid and vapour, catches fire spontaneously if exposed to air, causes severe skin burns and eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Dimethylboronbromide?

Dimethylboronbromide is usually classified under HS code 293190 (X. ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dimethylboronbromide?

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What is the price of Dimethylboronbromide?

Suppliers quote Dimethylboronbromide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Dimethylboronbromide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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