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Tributyltin methacrylate

CAS 2155-70-6

2-Propenoic acid, 2-methyl-, tributylstannyl ester

Molecular structure of 2155-70-6
US productionNot reported
Import value, 2024$15M
Top sourceChina 33%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293120, 380859 · basket

These shares come from HS customs code 293120, 380859, which covers 8 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 33%ChinaMX 26%MexicoDO 14%Dominican RepublicIT 9%ItalyCA 6%Canada

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS2155-70-6
PubChem CIDNot recorded
DTXSIDDTXSID9035204
FormulaC16H32O2Sn
Mol. Weight375.14 g/mol
SMILESCCCC[Sn](CCCC)(CCCC)OC(=O)C(C)=C

Data Sources

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Brief citations

Tributyltin methacrylate (CAS 2155-70-6) https://chemicalindependence.com/chemical/2155-70-6/ EPA TSCA Inventory: CAS 2155-70-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293120,380859 for CAS 2155-70-6. Reporting year: 2024. https://usatrade.census.gov/