Octadecanoic acid, tin salt (1:?)

CAS 7637-13-0

U.S. production volumes are classified as confidential business information.

Molecular structure of 7637-13-0 — 1 Sn⁴⁺

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$114M

Top sourceIndonesia 27%

At least one company claimed its 2019 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291570 · basket

EPA reports by year

2019: US production Confidential · Imports Confidential

These shares come from HS customs code 291570, which covers 96 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

ID 27%IndonesiaMY 25%MalaysiaSG 12%SingaporeIN 10%IndiaIT 6%Italy

United Kingdom
Colombia
Argentina
Vietnam
Peru
Brazil
Sweden
Denmark
Switzerland

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Polymer Addtives Inc. Dba Valtris Specialty Chemcials

Why It Matters

Sectors

Plastics & Rubber

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Plasticizer in Plastics Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS7637-13-0

PubChem CID160901

DTXSIDDTXSID901010998

FormulaC72H140O8Sn

Mol. Weight1252.6 g/mol

SMILESCCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Sn+4]

Data Sources

EPA CompTox (DSSTox) · DTXSID901010998Retrieved 2026-04-06
PubChem · compound 160901Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Octadecanoic acid, tin salt (1:?) (CAS 7637-13-0) https://chemicalindependence.com/chemical/7637-13-0/ EPA CompTox (DSSTox): DTXSID901010998. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID901010998 PubChem: 160901. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/160901 EPA Chemical Data Reporting: 7637-13-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7637-13-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291570 for CAS 7637-13-0. Reporting year: 2024. https://usatrade.census.gov/