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Aliphatic and alicyclic building blocks

Tributylborane

Also known as Tri-n-butylborane, Borane, tributyl-, Tributylborine

CAS 122-56-5Formula C12H27BMolar mass 182.16 g/molEC 204-554-6
GHS signal word: Danger. Pictograms: Flammable, Corrosive, Harmful or irritant 1 supplier listed
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Tributylborane chemical structure, C12H27B, CAS 122-56-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
122-56-5
Formula
C12H27B
Molar mass
182.16 g/mol
EC number
204-554-6
HS code
293190
Category
Aliphatic and alicyclic building blocks

What is Tributylborane?

Plain description, key identifiers and synonyms

Tributylborane is a chemical substance with the molecular formula C12H27B and a molar mass of 182.16 g/mol. Its CAS registry number is 122-56-5.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tributylborane
CAS number
122-56-5 CAS number cross-checked
EC number
204-554-6
Molecular formula
C12H27B
MDL number
MFCD00009423
InChIKey
CMHHITPYCHHOGT-UHFFFAOYSA-N
InChI
InChI=1S/C12H27B/c1-4-7-10-13(11-8-5-2)12-9-6-3/h4-12H2,1-3H3
SMILES (canonical and isomeric)
B(CCCC)(CCCC)CCCC

Synonyms

  • Tri-n-butylborane
  • Borane, tributyl-
  • Tributylborine
  • Tributylboron
  • Tri-n-butyl borane
  • Tributylborane (1.0 M in THF)
  • Tri-n-butylboron
  • TBB, Tri-n-butylborane, Tri-n-butylboron, Tributylboron,
  • tributyl-borane
  • Tributyl borane
  • (n-C4H9)3B

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
182.16 g/molcalc.
Exact mass
182.2206 Dacalc.
LogP (octanol/water)
4.88calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
9calc.
Heavy atoms
13calc.
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

Hazard statements

  • H250Catches fire spontaneously if exposed to air.
  • H302Harmful if swallowed.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
Precautionary statements (23)
  • 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.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • 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 + 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.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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

Tributylborane suppliers

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Where suppliers are based

1 supplier in 1 country

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Tributylborane 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

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

Frequently asked questions

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

What is Tributylborane?

Tributylborane is a chemical substance with the molecular formula C12H27B and a molar mass of 182.16 g/mol. Its CAS registry number is 122-56-5.

What is the CAS number of Tributylborane?

The CAS registry number of Tributylborane is 122-56-5.

What is the molecular formula and weight of Tributylborane?

The molecular formula of Tributylborane is C12H27B and its molar mass is 182.16 g/mol.

What is Tributylborane used for?

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

Is Tributylborane hazardous?

Tributylborane carries the GHS signal word "Danger". Main hazards: catches fire spontaneously if exposed to air, harmful if swallowed, 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 Tributylborane?

Tributylborane 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 Tributylborane?

CompoundList lists 1 supplier of Tributylborane in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Tributylborane?

Suppliers quote Tributylborane 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 Tributylborane

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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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