Tris(2-chloroethyl) phosphite

CAS 140-08-9

Used in 1 industrial sector tracked by the EPA.

US production13.1M lb

Import volumeZero

Import dependency0%

Top sourceNo public record

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.

Where It Comes From

Customs basis: HS 292029 · basket

EPA reports by year

2019: US production 13.1M lb · Imports Zero

HS customs code 292029 covers 28 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

EPA-registered manufacturers (1)

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

Lanxess

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

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

Vendor Pricing

$6.08/gAngene Chemical

CountryChina (registered: Hong Kong)

Pack$152.00 / 25 g

Purity80%

Vendors6 available

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

5 more vendors

Vendor	Country	$/g	Pack	Purity
AstaTech, Inc	United States	$15.80	25 g	93%
AK Scientific, Inc.	United States	$21.60	5 g	93%
A2B Chem LLC	United States	$23.40	5 g	93%
AA BLOCKS	United States	$24.00	5 g	93%
Angene International Limited	United States	$40.20	5 g	93%

Chemical Identity

CAS140-08-9

PubChem CID8783

DTXSIDDTXSID0026258

FormulaC6H12Cl3O3P

Mol. Weight269.5 g/mol

SMILESC(CCl)OP(OCCCl)OCCCl

Data Sources

EPA CompTox (DSSTox) · DTXSID0026258Retrieved 2026-04-06
PubChem · compound 8783Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

Tris(2-chloroethyl) phosphite (CAS 140-08-9) https://chemicalindependence.com/chemical/140-08-9/ EPA CompTox (DSSTox): DTXSID0026258. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0026258 PubChem: 8783. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8783 EPA Chemical Data Reporting: 140-08-9. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 140-08-9. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting