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Organometallic compounds

Tributylstannane

Also known as Tributyltin hydride, Stannane, tributyl-, Tri-n-butyltin

CAS 688-73-3Formula C12H28SnMolar mass 291.07 g/molEC 211-704-4
GHS signal word: Danger. Pictograms: Flammable, Acute toxicity (severe), Harmful or irritant, Serious health hazard 26 suppliers listed
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Tributylstannane chemical structure, C12H28Sn, CAS 688-73-3
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
A liquid
Boiling point
112.5-113.5 @ 8 mm Hg
Density
1.103 @ 20 °C
HS code
293120
Category
Organometallic compounds
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Tributylstannane?

Plain description, key identifiers and synonyms

Tributylstannane is an organotin compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tributylstannane
CAS number
688-73-3 CAS number cross-checked
EC number
211-704-4
Molecular formula
C12H28Sn
UNII
4XDX163P3D
InChIKey
DBGVGMSCBYYSLD-UHFFFAOYSA-N
InChI
InChI=1S/3C4H9.Sn.H/c3*1-3-4-2;;/h3*1,3-4H2,2H3;;
SMILES (canonical and isomeric)
CCCC[SnH](CCCC)CCCC

Synonyms

  • Tributyltin hydride
  • Stannane, tributyl-
  • Tri-n-butyltin
  • Tributylstannic hydride
  • Tri-n-butylstannane hydride
  • TBTC chloride
  • Tri-n-butyltin hydride
  • tributylstannyl
  • Tributyltin
  • Tributyltin ion
  • tributyl tin hydride
  • SnBu3H
  • [Sn(Bu)3H]
  • Tin, tri-n-butyl-, hydride
  • Stannane, tri-n-butyl-, hydride
  • tri-n-Butyltinhydride
  • Tributyltinhydride
  • tributyl stannane
  • tributyl-stannane
  • tributytin hydride
  • tributyl tinhydride
  • nBu3SnH
  • Tri-n-butylstannane
  • tri-butyltin hydride
  • Bu3SnH
Show all 38 synonyms
  • HSnBu3
  • Tin tributyl hydride
  • n-Bu3SnH
  • tri(butyl)tin hydride
  • tri-n-butytin hydride
  • tri n-butyltin hydride
  • tri-n butyltin hydride
  • tri-n-butyl-tinhydride
  • tri(n-butyl)tin hydride
  • tri-n-butyl-tin hydride
  • (Bu)3SnH
  • Tri n-butyl tin hydride
  • tri-(n-butyl)tin hydride

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

Appearance
A liquidexp.
Boiling point
112.5-113.5 @ 8 mm Hgexp.
Density
1.103 @ 20 °Cexp.

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
291.07 g/molcalc.
Exact mass
292.1213 Dacalc.
LogP (octanol/water)
4.61calc.
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
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H226Flammable liquid and vapour.
  • H301Toxic if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H372Causes damage to organs through prolonged or repeated exposure.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (28)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • 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.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P391Collect spillage.
  • 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

Tributylstannane suppliers

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

All 26 suppliers
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Where suppliers are based

26 suppliers in 8 countries

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Tributylstannane 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

Reducing agent for the conversion of alkyl halides to hydrocarbons.

As synthetic intermediate for other butyltin compounds, such as unsymmetrical tetraorganotins, and compounds with tin-tin bonds.

Veterinary medication:.

How it is made

Reaction of tributyltin chloride with lithium aluminum hydride or sodium borohydride.

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 Tributylstannane is traded under.

HS 2931.20Indicative HS code

Tributyltin compounds

World exports in 2024
$3.42M
−62.8% vs 2023, imports $9.62M
2019 to 2024
Top exporters
  1. Germany36.8%
  2. Netherlands28.1%
  3. United States14.7%
Top importers
  1. Belgium43.1%
  2. Italy11.1%
  3. India * partner reported10.2%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Tributylstannane?

Tributylstannane is an organotin compound.

What is the CAS number of Tributylstannane?

The CAS registry number of Tributylstannane is 688-73-3.

What is the molecular formula and weight of Tributylstannane?

The molecular formula of Tributylstannane is C12H28Sn and its molar mass is 291.07 g/mol.

What is Tributylstannane used for?

Reducing agent for the conversion of alkyl halides to hydrocarbons. As synthetic intermediate for other butyltin compounds, such as unsymmetrical tetraorganotins, and compounds with tin-tin bonds. Veterinary medication:.

Is Tributylstannane hazardous?

Tributylstannane carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, toxic 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 Tributylstannane?

Tributylstannane is usually classified under HS code 293120 (Tributyltin compounds). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tributylstannane?

CompoundList lists 26 suppliers of Tributylstannane in China, United States, India, Germany and 4 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Tributylstannane in India?

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

What is the price of Tributylstannane?

Suppliers quote Tributylstannane 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 Tributylstannane

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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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