Aluminum phosphate (Al(H2PO4)3)

CAS 13530-50-2

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

Molecular structure of 13530-50-2 — 1 Al³⁺

US productionCBI

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

Import value, 2024$21M

Import volume30.4K lb

Top sourceGermany 29%

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 283529 · basket

EPA reports by year

2023: US production Confidential · Imports 30.4K lb
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 283529, which covers 24 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).

DE 29%GermanyIT 22%ItalyCN 20%ChinaIN 7%IndiaCA 6%Canada

Vietnam
Austria
Ecuador
Taiwan
Brazil
Turkey
Netherlands
South Korea
Ireland
Mexico

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.

Innophos Incorporated

Nalco- An Ecolab

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.

Basstech International

EPA-registered importers (2)

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

Geschwister Oetker Beteiligungen Kg · DE Germany

Budenheim Usa

Why It Matters

Sectors

EnergyTransportationConstructionMetals & MiningPaper & PrintingCore Chemicals

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 8 sectors as 3 functional roles.

•Binder in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Processing—incorporation into formulation, mixture, or reaction product
•Flocculating agent in Paper Manufacturing (9%)Use—non-incorporative activities
•Flocculating agent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—repackaging
•Flocculating agent in Transportation Equipment Manufacturing (5%)Use—non-incorporative activities
•Flocculating agent in Primary Metal Manufacturing (16%)Use—non-incorporative activities
•Flocculating agent in Petroleum Refineries (18%)Use—non-incorporative activities
•Flocculating agent in Services (36%)Use—non-incorporative activities
•Flocculating agent in Mining (except Oil and Gas) and support activities (4%)Use—non-incorporative activities
•Adhesion/cohesion promoter in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.09/gAaron Chemicals LLC

CountryHong Kong

Pack$44.00 / 500 g

Purity98%

Vendors10 available

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

9 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.10	500 g	98%
AK Scientific, Inc.	United States	$0.17	500 g	50%
Sigma-Aldrich (Rush Stock)	Germany	$0.17	1 kg	95%
Sigma-Aldrich	Germany	$0.17	1 kg	95%
A2B Chem LLC	United States	$0.18	500 g	95%
AA BLOCKS	United States	$0.19	500 g	95%
Combi-Blocks, Inc.	United States	$0.25	1 kg	95%
Angene International Limited	United States	$0.33	500 g	50%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS13530-50-2

PubChem CID9818426

DTXSIDDTXSID2094005

FormulaAlH6O12P3

Mol. Weight317.94 g/mol

SMILESOP(=O)(O)[O-].OP(=O)(O)[O-].OP(=O)(O)[O-].[Al+3]

Data Sources

EPA CompTox (DSSTox) · DTXSID2094005Retrieved 2026-04-06
PubChem · compound 9818426Retrieved 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

Aluminum phosphate (Al(H2PO4)3) (CAS 13530-50-2) https://chemicalindependence.com/chemical/13530-50-2/ EPA CompTox (DSSTox): DTXSID2094005. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2094005 PubChem: 9818426. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/9818426 EPA Chemical Data Reporting: 13530-50-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13530-50-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283529 for CAS 13530-50-2. Reporting year: 2024. https://usatrade.census.gov/