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Dibutylstannane oxide

CAS 818-08-6

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

Molecular structure of 818-08-6
US productionCBI
Import value, 2024$537M
Top sourceChina 39%

At least one company claimed its 2023 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: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293190 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 293190, which covers 378 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 39%ChinaDE 17%GermanyIT 9%ItalyIN 7%IndiaJP 7%Japan
EPA-registered manufacturers (1)
Pmc Group N.A
Domestic parents -- activity not disclosed (3)
Aalborz Chemical
Dura Chemicals
Polymer Additves
EPA-registered importers (5)
Songwon Industrial · KR South Korea
Tib Chemicals Ag · DE Germany
Gulbrandsen Chemicals
Songwon
Tib Chemicals

Why It Matters

Sectors
TransportationConstructionMetals & MiningPlastics & RubberPaints & CoatingsCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 7 sectors as 4 functional roles.

  • •Catalyst in Adhesive Manufacturing (5%)Processing—incorporation into formulation, mixture, or reaction product
  • •Catalyst in Plastics Material and Resin Manufacturing (45%)Use—non-incorporative activities
  • •Catalyst in Transportation Equipment Manufacturing (50%)Use—non-incorporative activities
  • •Catalyst in Paint and Coating Manufacturing (95%)Processing—incorporation into formulation, mixture, or reaction product
  • •Polymerization promoter in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Heat stabilizer in Plastics Product ManufacturingProcessing—incorporation into article
  • •Catalyst in OtherProcessing—incorporation into formulation, mixture, or reaction product
  • •Hardener in Paint and Coating Manufacturing (100%)Use—non-incorporative activities
  • •Catalyst in All Other Basic Organic Chemical Manufacturing (0%)Processing as a reactant

Chemical Identity

CAS818-08-6
PubChem CID61221
DTXSIDDTXSID4027315
FormulaC8H18OSn
Mol. Weight248.94 g/mol
SMILESCCCC[Sn](=O)CCCC

Data Sources

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Brief citations

Dibutylstannane oxide (CAS 818-08-6) https://chemicalindependence.com/chemical/818-08-6/ EPA CompTox (DSSTox): DTXSID4027315. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4027315 PubChem: 61221. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/61221 EPA Chemical Data Reporting: 818-08-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 818-08-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293190 for CAS 818-08-6. Reporting year: 2024. https://usatrade.census.gov/