Ethyl dichlorophosphate

CAS 1498-51-7

Companies reported imports and no US production of this chemical to EPA for 2019.

US productionZero

Import value, 2024$208M

Import volume189.0K lb

Import dependency100%

Top sourceChina 28%

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Ethyl dichlorophosphate · US import value by year

2013: $196M · Peak 2022: $298M · 2024: $208M · 2025: $207M

Where It Comes From

Customs basis: HS 292090 · basket

EPA reports by year

2023: US production Not published · Imports Not published
2019: US production Zero · Imports 189.0K lb

These shares come from HS customs code 292090, which covers 98 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 28%ChinaKR 17%South KoreaIT 13%ItalyIN 10%IndiaDE 9%Germany

Poland
Switzerland
Ireland
Canada
Lithuania
Netherlands
Brazil
Malaysia
Hungary
Czech Republic
Saudi Arabia
Slovakia
Ukraine
Turkey

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.

American Vanguard

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

•Agricultural chemicals (non-pesticidal) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS1498-51-7

PubChem CID15158

DTXSIDDTXSID3027407

FormulaC2H5Cl2O2P

Mol. Weight162.94 g/mol

SMILESCCOP(=O)(Cl)Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID3027407Retrieved 2026-04-06
PubChem · compound 15158Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · 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

Ethyl dichlorophosphate (CAS 1498-51-7) https://chemicalindependence.com/chemical/1498-51-7/ EPA CompTox (DSSTox): DTXSID3027407. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3027407 PubChem: 15158. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/15158 EPA Chemical Data Reporting: 1498-51-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1498-51-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292090 for CAS 1498-51-7. Reporting year: 2024. https://usatrade.census.gov/