Poly(oxy-1,4-butanediyl), α-[2-[(9-oxo-9H-thioxanthenyl)oxy]acetyl]-ω-[[2-[(9-oxo-9H-thioxanthenyl)oxy]acetyl]oxy]-
CAS 813452-37-8
EPA exempts this chemical from its production survey.
Why supply is unknownProduction 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 382499 · basket
These shares come from HS customs code 382499, which covers 206 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Liechtenstein
- Indonesia
- Chile
- Ireland
- Vietnam
- Austria
- Brazil
- Colombia
- Israel
- Australia
- United Arab Emirates
- Bosnia and Herzegovina
- Turkey
- Denmark
- South Africa
- Philippines
- Norway
- Hungary
- Czech Republic
- El Salvador
- New Zealand
- Slovenia
- Morocco
- Monaco
- Saudi Arabia
- Finland
- Argentina
- Egypt
- Oman
- Portugal
- Slovakia
- Qatar
- Ukraine
- Lebanon
- Estonia
- Serbia
- Costa Rica
- Belarus
- Hong Kong
- Croatia
- Luxembourg
- Cambodia
- Bulgaria
- Greece
- Uruguay
- Romania
- Tunisia
- Peru
- Zimbabwe
- Dominican Republic
- Georgia
- Malta
- Sri Lanka
- Jamaica
- Armenia
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Poly(oxy-1,4-butanediyl), α-[2-[(9-oxo-9H-thioxanthenyl)oxy]acetyl]-ω-[[2-[(9-oxo-9H-thioxanthenyl)oxy]acetyl]oxy]- (CAS 813452-37-8) https://chemicalindependence.com/chemical/813452-37-8/ EPA TSCA Inventory: CAS 813452-37-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 382499 for CAS 813452-37-8. Reporting year: 2024. https://usatrade.census.gov/