Trimethyltin chloride

Synonym: Chlorotrimethylstannane, Chlorotrimethyltin, Trimethylchlorotin, Trimethylstannanyl chloride, Trimethyltin monochloride, Me3SnCl

CAS Number 1066-45-1 | MDL Number MFCD00000520 | EC Number 213-917-8

Chlorotrimethylstannane Chemical Structure

Product codeSN6451
CAS number1066-45-1
Assay (purity)99%+
Purity methodby GLC
Molecular weight199.27 g/mol
Melting point40 °C (104 °F)
Boiling point156 °C (313 °F)
Appearancewhite crystalline solid
Molecular formulaC3H9SnCl
Linear formula(CH3)3SnCl
Packagingglassware/metal containers/bubblers

Trimethyltin chloride is used as a source of the trimethylstannyl group. Organotin compounds derived from this product are useful in organic synthesis, especially in radical chain reactions. Me3SnCl is also applied as a precursor to compounds used in PVC stabilization. See links below

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing SN6451 contact us at

Safety information

Hazardous class6.1
Packing groupI
PictogramsGHS06 GHS08 GHS07 GHS09
Signal wordDANGER
Hazard statementsH300-H310-H315-H319-H330-H335-H336-H373-H400-H410
Precautionary statementsP260-P262-P264-P270-P271-P273-P280P284-P301 + P310-P302 + P350-P304 + P340-P305 + P351 + P338-P310-P313 + P332-P313 + P337-P330-P361 + P363-P391
Transport descriptionOrganotin compound, solid, n.o.s. (Trimethyltin chloride)
In TSCA registryYes

First Aid Measures

General adviceConsult a physician. Show this safety data sheet to the doctor in attendance. Move out of the dangerous area.
Eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Skin contactWash off with soap and plenty of water. Consult a physician.
InhalationIf breathed in, move person into the fresh air. If not breathing, give artificial respiration. Consult a physician.
If swallowedDo NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.


Certificates of Analysis (CoA)

If you don’t see the needed lot of Trimethyltin chloride below please contact customer support at

Lot# 021/188 Lot# 021/190 Lot# 234R5720 Lot# 34R2421

External identifiers for Chlorotrimethylstannane

Pubchem CID14016
IUPAC Namechloro(trimethyl)stannane
InchI IdentifierInChI=1S/3CH3.ClH.Sn/h3*1H3;1H;/q;;;;+1/p-1

Known applications and external links

With Trimethyltin chloride other customers often ask:

Ereztech synthesizes and sells additional SN-compounds.

To purchase SN6451 contact us at