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Phosphonic acid, P,P',P''-[nitrilotris(methylene)]tris-, ammonium salt (1:?)

CAS 34274-28-7

U.S. production volumes are classified as confidential business information.

Molecular structure of 34274-28-7
1 NH₄⁺
US productionCBI
Import value, 2024$6.7B
Top sourceJapan 30%

At least one company claimed its 2019 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: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293149, 382499 · basket

EPA reports by year
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 293149, 382499, which covers 312 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
JP 30%JapanKR 25%South KoreaCN 12%ChinaDE 8%GermanyCA 6%Canada

Why It Matters

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

Chemical Identity

CAS34274-28-7
PubChem CID161809
DTXSIDDTXSID501011570
FormulaC3H10N2O9P3-5
Mol. Weight311.04 g/mol
SMILESC(N(CP(=O)([O-])[O-])CP(=O)([O-])[O-])P(=O)([O-])[O-].[NH4+]

Data Sources

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Brief citations

Phosphonic acid, P,P',P''-[nitrilotris(methylene)]tris-, ammonium salt (1:?) (CAS 34274-28-7) https://chemicalindependence.com/chemical/34274-28-7/ EPA CompTox (DSSTox): DTXSID501011570. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID501011570 PubChem: 161809. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/161809 EPA Chemical Data Reporting: 34274-28-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293149,382499 for CAS 34274-28-7. Reporting year: 2024. https://usatrade.census.gov/