1,2-Dichloroethylene

CAS 540-59-0

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

US productionCBI

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

Import value, 2024$61M

Import volumeZero

Top sourceChina 56%

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 290329 · basket

EPA reports by year

2023: US production Confidential · Imports Zero
2019: US production Confidential · Imports Zero

These shares come from HS customs code 290329, which covers 39 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).

CN 56%ChinaDE 26%GermanyCZ 9%Czech RepublicMY 3%MalaysiaJP 3%Japan

Mexico
India
South Korea

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.

Olin

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 Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.11/gAngene Chemical

CountryChina (registered: Hong Kong)

Pack$54.00 / 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
Aaron Chemicals LLC	Hong Kong	$0.11	500 g	98%
A2B Chem LLC	United States	$0.54	500 g	98%
AA BLOCKS	United States	$0.71	500 g	98%
Combi-Blocks, Inc.	United States	$1.20	500 g	96%
ALFA AESAR	Germany	$2.83	100 g	98%
Sigma-Aldrich (Rush Stock)	Germany	$3.30	100 g	98%
Sigma-Aldrich	Germany	$3.30	100 g	98%
Angene International Limited	United States	$4.46	100 g	98%
AstaTech, Inc	United States	$11.80	5 g	95%
Labotest KG	Germany	$217.80	5000 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS540-59-0

PubChem CID10900

DTXSIDDTXSID8024991

FormulaC2H2Cl2

Mol. Weight96.94 g/mol

SMILESC(=CCl)Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID8024991Retrieved 2026-04-06
PubChem · compound 10900Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

1,2-Dichloroethylene (CAS 540-59-0) https://chemicalindependence.com/chemical/540-59-0/ EPA CompTox (DSSTox): DTXSID8024991. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8024991 PubChem: 10900. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/10900 EPA Chemical Data Reporting: 540-59-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 540-59-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290329 for CAS 540-59-0. Reporting year: 2024. https://usatrade.census.gov/