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Menadiol sodium diphosphate anhydrous

CAS 131-13-5

Molecular structure of 131-13-5
4 Na⁺
US productionNot reported
Import value, 2024$123M
Top sourceChina 66%

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 291990 · basket

These shares come from HS customs code 291990, which covers 77 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 66%ChinaDE 18%GermanyJP 5%JapanIN 3%IndiaCH 3%Switzerland

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS131-13-5
PubChem CIDNot recorded
DTXSIDDTXSID80156832
FormulaC11H8Na4O8P2
Mol. Weight422.084 g/mol
SMILES[Na+].[Na+].[Na+].[Na+].CC1=C(OP([O-])([O-])=O)C2=CC=CC=C2C(OP([O-])([O-])=O)=C1

Data Sources

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Brief citations

Menadiol sodium diphosphate anhydrous (CAS 131-13-5) https://chemicalindependence.com/chemical/131-13-5/ EPA CompTox (DSSTox): 131-13-5. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID80156832 US Census international trade: HS 291990 for CAS 131-13-5. Reporting year: 2024. https://usatrade.census.gov/