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Aliphatic and alicyclic building blocks

Diethylmethoxyborane

Also known as Borinic acid, B,B-diethyl-, methyl ester, Methoxydiethylborane, Methyl diethylborinate

CAS 7397-46-8Formula C5H13BOMolar mass 99.97 g/molEC 425-380-9
GHS signal word: Danger. Pictograms: Flammable, Corrosive, Harmful or irritant, Serious health hazard 4 suppliers listed
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Diethylmethoxyborane chemical structure, C5H13BO, CAS 7397-46-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7397-46-8
Formula
C5H13BO
Molar mass
99.97 g/mol
EC number
425-380-9
HS code
293190
Category
Aliphatic and alicyclic building blocks

What is Diethylmethoxyborane?

Plain description, key identifiers and synonyms

Diethylmethoxyborane is a chemical substance with the molecular formula C5H13BO and a molar mass of 99.97 g/mol. Its CAS registry number is 7397-46-8. The IUPAC name is diethyl(methoxy)borane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
diethyl(methoxy)borane
CAS number
7397-46-8 CAS number cross-checked
EC numbers
425-380-9, 616-038-1
Molecular formula
C5H13BO
UNII
3AH40D7L25
MDL number
MFCD00013240
InChIKey
FESAXEDIWWXCNG-UHFFFAOYSA-N
InChI
InChI=1S/C5H13BO/c1-4-6(5-2)7-3/h4-5H2,1-3H3
SMILES (canonical and isomeric)
B(CC)(CC)OC

Synonyms

  • Borinic acid, B,B-diethyl-, methyl ester
  • Methoxydiethylborane
  • Methyl diethylborinate
  • diethyl(methoxy)borane
  • Borinic acid, diethyl-, methyl ester
  • Methoxydiethylborane 50% in tetrahydrofuran
  • Diethyl methoxy borane
  • diethyl methoxyborane
  • diethyl-methoxyborane
  • methoxy-diethylborane
  • methoxydiethyl-borane
  • diethyl-methoxy-borane
  • Methyl diethylborinate #
  • Diethylmethoxyborane, 97%
  • methyl esterb,b-diethyl-borinic acid

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
99.97 g/molcalc.
Exact mass
100.1059 Dacalc.
LogP (octanol/water)
1.66calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
3calc.
Heavy atoms
7calc.
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
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H250Catches fire spontaneously if exposed to air.
  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H317May cause an allergic skin reaction.
  • H332Harmful if inhaled.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (30)
  • 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.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • 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 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • 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.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • 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

Diethylmethoxyborane suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 4 suppliers
4 of 4 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

4 suppliers in 3 countries

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Diethylmethoxyborane 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

Functional uses

  • Catalyst

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 005-013-00-5

United States

  • TSCA inventory (USA)
    Status: Active in US commerce, Regulatory flags: Added by a premanufacture notice

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Diethylmethoxyborane 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 Diethylmethoxyborane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Diethylmethoxyborane?

Diethylmethoxyborane is a chemical substance with the molecular formula C5H13BO and a molar mass of 99.97 g/mol. Its CAS registry number is 7397-46-8. The IUPAC name is diethyl(methoxy)borane.

What is the CAS number of Diethylmethoxyborane?

The CAS registry number of Diethylmethoxyborane is 7397-46-8.

What is the molecular formula and weight of Diethylmethoxyborane?

The molecular formula of Diethylmethoxyborane is C5H13BO and its molar mass is 99.97 g/mol.

What is Diethylmethoxyborane used for?

Known uses and roles of Diethylmethoxyborane include building blocks in research and laboratory and catalyst.

Is Diethylmethoxyborane hazardous?

Diethylmethoxyborane carries the GHS signal word "Danger". Main hazards: catches fire spontaneously if exposed to air, harmful if swallowed, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Diethylmethoxyborane?

Diethylmethoxyborane 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 Diethylmethoxyborane?

CompoundList lists 4 suppliers of Diethylmethoxyborane in India, China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Diethylmethoxyborane in India?

2 suppliers in India list Diethylmethoxyborane on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Diethylmethoxyborane?

Suppliers quote Diethylmethoxyborane 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 Diethylmethoxyborane

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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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