Ammonium acid phosphate

CAS 10124-31-9

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

Molecular structure of 10124-31-9 — 1 NH₃

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$95M

Import volumeZero

Top sourceCanada 30%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 283539 · basket

EPA reports by year

2023: US production Confidential · Imports Zero
2019: US production Confidential · Imports Zero

These shares come from HS customs code 283539, which covers 21 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CA 30%CanadaDE 19%GermanyMY 17%MalaysiaCN 13%ChinaIT 9%Italy

Spain
Belgium
Japan
Poland
Taiwan
Switzerland
South Korea
Singapore
Netherlands
Denmark
United Kingdom
Slovakia

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.

Global Tungsten &Amp; Powders

Mount Vernon Mills

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Ascent Chemicals

Why It Matters

Sectors

AgricultureMetals & Mining

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

•Soil amendments (fertilizers) in Agriculture, Forestry, Fishing and Hunting (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.01/gAaron Chemicals LLC

CountryHong Kong

Pack$5.00 / 1 kg

Purity99%

Vendors16 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

15 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.01	1 kg	99%
Fluorochem UK	United Kingdom	$0.02	25 kg	98%
A2B Chem LLC	United States	$0.03	500 g	99%
AA BLOCKS	United States	$0.03	500 g	99%
Sigma-Aldrich (Rush Stock)	Germany	$0.12	1 kg	98%
Sigma-Aldrich	Germany	$0.12	1 kg	98%
AK Scientific Specialized	United States	$0.13	500 g	95%
MedChemExpress MCE	Sweden	$0.15	1 kg	99.2%
AK Scientific, Inc.	United States	$0.17	500 g	98%
Fluorochem EU	Germany	$0.21	100 g	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	99%
Angene International Limited	United States	$0.36	500 g	99%
A2B Chem LLC (2 weeks)	United States	$1.57	500 g	95%
AA BLOCKS (2 weeks)	United States	$1.61	500 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	99%

Chemical Identity

CAS10124-31-9

PubChem CID123954

DTXSIDDTXSID6050122

FormulaH6NO4P

Mol. Weight115.03 g/mol

SMILESN.OP(=O)(O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID6050122Retrieved 2026-04-06
PubChem · compound 123954Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Ammonium acid phosphate (CAS 10124-31-9) https://chemicalindependence.com/chemical/10124-31-9/ EPA CompTox (DSSTox): DTXSID6050122. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6050122 PubChem: 123954. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/123954 EPA Chemical Data Reporting: 10124-31-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 10124-31-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283539 for CAS 10124-31-9. Reporting year: 2024. https://usatrade.census.gov/