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Diammonium hydrogen phosphate

Drug ingredient

CAS 7783-28-0

This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.

Molecular structure of 7783-28-0
2 NH₄⁺
US productionCBI
Import value, 2024$716M
Top sourceSaudi Arabia 54%

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.

Where It Comes From

Customs basis: HS 310530 · exact

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential
Source Countries
SA 54%Saudi ArabiaJO 21%JordanEG 10%EgyptMX 4%MexicoTN 4%Tunisia
EPA-registered manufacturers (16)
China National Chemical · CN China
Marubeni · JP Japan
Nutrien · CA Canada
Conklin
Hawkins
Show all 16
Innophos Incorporated
Koch Industries
Macrosource
Nachurs Alpine Solutions
Nutien Us Top
Nutrien Us Top
Syngenta Crop Protection
The Andersons
The Mosaic
Venator Chemicals
Wilbur-Ellis Holdings Ii
Domestic parents -- activity not disclosed (7)
Basstech International
Budenheim Usa
Colonial Group
Hydrite Chemical
Icl Specialty Products North America
Show all 7
Polyventive
Quaker Houghton
EPA-registered importers (14)
Eurochem Group Ag · CH Switzerland
Marubeni · JP Japan
Archer Daniels Midland
Chemical Distribution Network
Chs
Show all 14
Eurochem North America
Global Chemical Resources
Haifa North America
Harcros Chemicals
Koppers
Lidochem
Prayon
Valudor Products
Wego Chemical Group

Why It Matters

Sectors
HealthAgricultureFoodEnergyConstructionMetals & MiningConsumer ProductsCore Chemicals
Downstream Uses

Appears in 6 drug and cosmetic product listings (FDA).

  • •Ammonium Phosphoricum
  • •D-101
  • •Enviro Detox Formula
  • •Gout Symptom Relief
  • •Small Joint Pain Drops 2038
  • •Amebex
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 8 sectors as 7 functional roles.

  • •Flame retardant in Wood Product Manufacturing (6%)Processing—incorporation into formulation, mixture, or reaction product
  • •Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingNot Known or Reasonably Ascertainable
  • •Soil amendments (fertilizers) in Agriculture, Forestry, Fishing and Hunting (100%)Use—non-incorporative activities
  • •Softener and conditioner in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Corrosion inhibitor in Petroleum Lubricating Oil and Grease ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Fire extinguishing agent in All Other Chemical Product and Preparation Manufacturing (5%)Processing—incorporation into formulation, mixture, or reaction product
  • •Soil amendments (fertilizers) in Wholesale and Retail Trade (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Stabilizing agent in Agriculture, Forestry, Fishing and Hunting (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Fire extinguishing agent in Other (70%)Processing—incorporation into formulation, mixture, or reaction product
  • •Flavoring and nutrient in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.10/gSigma-Aldrich (Rush Stock)
CountryGermany
Pack$239.45 / 2.5 kg
Purity98%
Vendors4 available

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

3 more vendors
VendorCountry$/gPackPurity
Sigma-AldrichGermany$0.102.5 kg98%
AK Scientific, Inc.United States$0.29100 g98%
Combi-Blocks, Inc.United States$0.40100 g95%

Chemical Identity

CAS7783-28-0
PubChem CID24540
DTXSIDDTXSID6029705
FormulaH9N2O4P
Mol. Weight132.06 g/mol
SMILES[NH4+].[NH4+].OP(=O)([O-])[O-]

Data Sources

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Brief citations

Diammonium hydrogen phosphate (CAS 7783-28-0) https://chemicalindependence.com/chemical/7783-28-0/ EPA CompTox (DSSTox): DTXSID6029705. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6029705 PubChem: 24540. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/24540 EPA Chemical Data Reporting: 7783-28-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7783-28-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 310530 for CAS 7783-28-0. Reporting year: 2024. https://usatrade.census.gov/