Methylphosphonic acid--N-carbamimidoylcarbamimidic acid (1/1)

CAS 84402-58-4

Phosphonic acid, P-methyl-, compd. with N-(aminoiminomethyl)urea (1:1)

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 volume196.9K lb

Top sourceNo public record

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.

Where It Comes From

Customs basis: HS 293145 · exact

EPA reports by year

2023: US production Confidential · Imports 196.9K lb

EPA-registered manufacturers (2)

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

Archroma Management Gmbh · CH Switzerland

Archroma U.S

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.

Thor Specialties

Why It Matters

Sectors

Textiles

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

Used in 2 sectors as 1 functional role.

•Flame retardant in Textiles, apparel, and leather manufacturingProcessing—incorporation into article
•Flame retardant in Synthetic Dye and Pigment Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS84402-58-4

PubChem CIDNot recorded

DTXSIDDTXSID101004676

FormulaC3H11N4O4P

Mol. Weight198.119 g/mol

SMILESCP(O)(O)=O.NC(=N)NC(O)=N

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Methylphosphonic acid--N-carbamimidoylcarbamimidic acid (1/1) (CAS 84402-58-4) https://chemicalindependence.com/chemical/84402-58-4/ EPA TSCA Inventory: CAS 84402-58-4. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 84402-58-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 84402-58-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting