Methyl chlorocarbonate

CAS 79-22-1

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$384M

Import volumeCBI

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

Top sourceMalaysia 21%

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. 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 291590 · basket

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production 1.2M lb · Imports Zero

These shares come from HS customs code 291590, which covers 588 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).

MY 21%MalaysiaDE 13%GermanyNL 13%NetherlandsMX 10%MexicoIT 8%Italy

Singapore
Austria
United Kingdom
Philippines
Canada
Hungary
Turkey
Ukraine
Israel
Denmark
Czech Republic
Slovakia
Norway
Poland
Hong Kong
South Africa
Russia

EPA-registered importers (2)

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

Basf Se · DE Germany

Basf

Why It Matters

Sectors

Core Chemicals

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

•Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant

Vendor Pricing

$0.19/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$95.26 / 500 g

Purity99%

Vendors6 available

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

5 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$0.19	500 g	99%
Interbioscreen	Hong Kong	$10.00	10 g	95%
Otava, Ltd.	Ukraine	$460.00	250 mg	95%
Princeton BioMolecular Research (SC)	United States	$5000.00	30 mg	90%
Vitas M Chemical Limited	Hong Kong	$5133.33	30 mg	90%

Chemical Identity

CAS79-22-1

PubChem CID6586

DTXSIDDTXSID0024185

FormulaC2H3ClO2

Mol. Weight94.5 g/mol

SMILESCOC(=O)Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID0024185Retrieved 2026-04-06
PubChem · compound 6586Retrieved 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

← Back to Dashboard ← Back to Core Chemicals

Brief citations

Methyl chlorocarbonate (CAS 79-22-1) https://chemicalindependence.com/chemical/79-22-1/ EPA CompTox (DSSTox): DTXSID0024185. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0024185 PubChem: 6586. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6586 EPA Chemical Data Reporting: 79-22-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 79-22-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291590 for CAS 79-22-1. Reporting year: 2024. https://usatrade.census.gov/