12H-Dibenzo[d,g][1,3,2]dioxaphosphocin, 4,8-dicyclohexyl-6-hydroxy-2,10-dimethyl-

CAS 73912-21-7

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

US productionZero

Import volume18.1K lb

Import dependency100%

Top sourceNo public record

Production is reported production, not a complete census of factories. Production reporting year: 2019.

Where It Comes From

EPA reports by year

2019: US production Zero · Imports 18.1K lb

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.

Lanxess

Why It Matters

Sectors

Plastics & Rubber

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

•Antioxidant in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS73912-21-7

PubChem CID166434

DTXSIDDTXSID0072778

FormulaC27H35O3P

Mol. Weight438.5 g/mol

SMILESCC1=CC2=C(C(=C1)C3CCCCC3)OP(OC4=C(C2)C=C(C=C4C5CCCCC5)C)O

Data Sources

EPA CompTox (DSSTox) · DTXSID0072778Retrieved 2026-04-06
PubChem · compound 166434Retrieved 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

12H-Dibenzo[d,g][1,3,2]dioxaphosphocin, 4,8-dicyclohexyl-6-hydroxy-2,10-dimethyl- (CAS 73912-21-7) https://chemicalindependence.com/chemical/73912-21-7/ EPA CompTox (DSSTox): DTXSID0072778. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0072778 PubChem: 166434. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/166434 EPA Chemical Data Reporting: 73912-21-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 73912-21-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting