Flag of the United StatesAmerican Chemical Independence

Paraquat dichloride

Drug ingredient

CAS 1910-42-5

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 1910-42-5
2 Cl⁻
US productionNot reported
Import value, 2024$1.3B
Top sourceChina 32%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 293339 · basket

These shares come from HS customs code 293339, which covers 397 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland
1 FDA-registered drug labeler
Professional Complementary Health Formulas

Why It Matters

Sectors
Health
Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

  • •Bridged Chlorinated Ring Combination 9313
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS1910-42-5
PubChem CID15938
DTXSIDDTXSID7024243
FormulaC12H14Cl2N2
Mol. Weight257.16 g/mol
SMILESC[N+]1=CC=C(C=C1)C2=CC=[N+](C=C2)C.[Cl-].[Cl-]

Data Sources

← Back to Dashboard← Back to Health

Brief citations

Paraquat dichloride (CAS 1910-42-5) https://chemicalindependence.com/chemical/1910-42-5/ PubChem: 15938. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/15938 FDA National Drug Code directory: CAS 1910-42-5. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293339 for CAS 1910-42-5. Reporting year: 2024. https://usatrade.census.gov/