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Organometallic compounds

Trimethylstannane

Also known as Trimethyltin, trimethyltin hydride, HSnMe3

CAS 1631-73-8Formula C3H10SnMolar mass 164.82 g/mol
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Trimethylstannane chemical structure, C3H10Sn, CAS 1631-73-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1631-73-8
Formula
C3H10Sn
Molar mass
164.82 g/mol
HS code
293190
Category
Organometallic compounds

What is Trimethylstannane?

Plain description, key identifiers and synonyms

Trimethyltin is an organotin compound that consists of stannane in which three of the four hydrogens are substituted by methyl groups. It has a role as a neurotoxin. It derives from a hydride of a stannane.

Trimethylstannane is an organotin chemical compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
trimethylstannane
CAS number
1631-73-8 CAS number cross-checkedOther or deprecated CAS: 17272-57-0
Molecular formula
C3H10Sn
InChIKey
UKHQRARQNZOXRL-UHFFFAOYSA-N
InChI
InChI=1S/3CH3.Sn.H/h3*1H3;;
SMILES (canonical and isomeric)
C[SnH](C)C

Synonyms

  • Trimethyltin
  • trimethyltin hydride
  • HSnMe3
  • Me3SnH

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
164.82 g/molcalc.
Exact mass
165.9804 Dacalc.
LogP (octanol/water)
1.1calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Trimethylstannane suppliers

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Trimethylstannane 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

Roles

  • aetiopathogenetic role
  • neurotoxin
  • poison

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive 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 Trimethylstannane 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 Trimethylstannane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Trimethylstannane?

Trimethyltin is an organotin compound that consists of stannane in which three of the four hydrogens are substituted by methyl groups. It has a role as a neurotoxin. It derives from a hydride of a stannane.

Guides for buyers

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

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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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