Bis(p-methylbenzyl)oxalate

CAS 18241-31-1

Ethanedioic acid, 1,2-bis[(4-methylphenyl)methyl] ester

Molecular structure of 18241-31-1
US productionNot reported
Import value, 2024$11M
Top sourceSpain 45%

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 291711 · basket

These shares come from HS customs code 291711, which covers 29 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
ES 45%SpainCN 25%ChinaIN 10%IndiaTW 6%TaiwanIT 6%Italy

Why It Matters

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

Vendor Pricing

$0.26/gA2B Chem LLC
CountryUnited States
Pack$132.00 / 500 g
Purity97%
Vendors13 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS18241-31-1
PubChem CIDNot recorded
DTXSIDDTXSID8066343
FormulaC18H18O4
Mol. Weight298.338 g/mol
SMILESCC1=CC=C(COC(=O)C(=O)OCC2=CC=C(C)C=C2)C=C1

Data Sources

Brief citations

Bis(p-methylbenzyl)oxalate (CAS 18241-31-1) https://chemicalindependence.com/chemical/18241-31-1/ EPA TSCA Inventory: CAS 18241-31-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291711 for CAS 18241-31-1. Reporting year: 2024. https://usatrade.census.gov/