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Organometallic compounds

Dimethyloxostannane

Also known as Dimethyltin oxide, Stannane, dimethyloxo-, Tin, dimethyloxo-

CAS 2273-45-2Formula C2H6OSnMolar mass 164.78 g/molEC 218-881-7
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe) 3 suppliers listed
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Dimethyloxostannane chemical structure, C2H6OSn, CAS 2273-45-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2273-45-2
Formula
C2H6OSn
Molar mass
164.78 g/mol
EC number
218-881-7
HS code
293190
Category
Organometallic compounds

What is Dimethyloxostannane?

Plain description, key identifiers and synonyms

Dimethyloxostannane is a chemical substance with the molecular formula C2H6OSn and a molar mass of 164.78 g/mol. Its CAS registry number is 2273-45-2. The IUPAC name is dimethyl(oxo)tin.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dimethyl(oxo)tin
CAS number
2273-45-2 CAS number cross-checked
EC number
218-881-7
Molecular formula
C2H6OSn
UNII
409QF23WO7
MDL number
MFCD00013838
InChIKey
WNVQCJNZEDLILP-UHFFFAOYSA-N
InChI
InChI=1S/2CH3.O.Sn/h2*1H3;;
SMILES (canonical and isomeric)
C[Sn](=O)C

Synonyms

  • Dimethyltin oxide
  • Stannane, dimethyloxo-
  • Tin, dimethyloxo-
  • Dimethyloxotin
  • dimethyl(oxo)tin
  • Dimethyltinoxide
  • Me2SnO
  • Dimethyl tin oxide
  • dimethyltin(iv) oxide
  • oxodimethylstannane
  • dimethyl(oxo)stannane
  • oxodimethyltin
  • dimethylstannanone
  • dimethyltinoxide,min.97%
  • dimethyltin oxide, min. 97%
  • dimethyltin(?) oxide

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
164.78 g/molcalc.
Exact mass
165.9441 Dacalc.
LogP (octanol/water)
0.67calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
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
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H301Toxic if swallowed.
  • H318Causes serious eye damage.
Precautionary statements (11)
  • 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 + P316If swallowed: Get emergency medical help immediately.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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

Dimethyloxostannane suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 1 country

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Dimethyloxostannane 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 Dimethyloxostannane 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 Dimethyloxostannane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Dimethyloxostannane?

Dimethyloxostannane is a chemical substance with the molecular formula C2H6OSn and a molar mass of 164.78 g/mol. Its CAS registry number is 2273-45-2. The IUPAC name is dimethyl(oxo)tin.

What is the CAS number of Dimethyloxostannane?

The CAS registry number of Dimethyloxostannane is 2273-45-2.

What is the molecular formula and weight of Dimethyloxostannane?

The molecular formula of Dimethyloxostannane is C2H6OSn and its molar mass is 164.78 g/mol.

What is Dimethyloxostannane used for?

Known uses and roles of Dimethyloxostannane include heat stabilizers in plastics and polymers and cure catalysts and accelerators in adhesives and sealants.

Is Dimethyloxostannane hazardous?

Dimethyloxostannane carries the GHS signal word "Danger". Main hazards: toxic if swallowed, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Dimethyloxostannane?

Dimethyloxostannane 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 Dimethyloxostannane?

CompoundList lists 3 suppliers of Dimethyloxostannane in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Dimethyloxostannane?

Suppliers quote Dimethyloxostannane 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 Dimethyloxostannane

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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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