Diethyl oxalate

CAS 95-92-1

Companies reported imports and no US production of this chemical to EPA for 2023.

US productionZero

Import value, 2024$11M

Import volume70.5K lb

Import dependency100%

Top sourceSpain 45%

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Diethyl oxalate · US import value by year

2013: $9M · Peak 2022: $14M · 2024: $11M · 2025: $11M

Where It Comes From

Customs basis: HS 291711 · basket

EPA reports by year

2023: US production Zero · Imports 70.5K lb
2019: US production Confidential · Imports Confidential

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

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

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

Belgium
Switzerland
Japan

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Pht International

EPA-registered importers (1)

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

Aceto Us

Why It Matters

Sectors

Agriculture

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

•Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.03/gA2B Chem LLC

CountryUnited States

Pack$15.00 / 500 g

Purity98%

Vendors12 available

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

11 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$0.03	500 g	99%
ALFA AESAR	Germany	$0.03	10 kg	99%
Sigma-Aldrich (Rush Stock)	Germany	$0.05	3 kg	99%
Sigma-Aldrich	Germany	$0.05	3 kg	99%
AK Scientific, Inc.	United States	$0.11	500 g	99.5%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
Fluorochem UK	United Kingdom	$0.47	100 g	99%
Interbioscreen	Hong Kong	$10.00	10 g	95%
Labotest KG	Germany	$217.80	5000 mg	90%
Otava, Ltd.	Ukraine	$2280.00	50 mg	95%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	95%

Chemical Identity

CAS95-92-1

PubChem CID7268

DTXSIDDTXSID2044472

FormulaC6H10O4

Mol. Weight146.14 g/mol

SMILESCCOC(=O)C(=O)OCC

Data Sources

EPA CompTox (DSSTox) · DTXSID2044472Retrieved 2026-04-06
PubChem · compound 7268Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Diethyl oxalate (CAS 95-92-1) https://chemicalindependence.com/chemical/95-92-1/ EPA CompTox (DSSTox): DTXSID2044472. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2044472 PubChem: 7268. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7268 EPA Chemical Data Reporting: 95-92-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 95-92-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291711 for CAS 95-92-1. Reporting year: 2024. https://usatrade.census.gov/