DIAMMONIUM PHOSPHATE
Diammonium hydrogenorthophosphate
DIAMMONIUM PHOSPHATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.
Regulatory evidence by market
No rule for this ingredient has been imported for any of the 13 markets tracked here.
That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.
Chemical identity and properties
Diammonium hydrogen phosphate
Diammonium hydrogen phosphate is an inorganic phosphate, being the diammonium salt of phosphoric acid. The commercially available fertilizer has an analysis of 18-46-0 (N-P2O5-K2O) and is marketed under the name diammonium phosphate or DAP. It has a role as a fertilizer. It is an inorganic phosphate and an ammonium salt. — ChEBI
- IUPAC name
- diazanium;hydrogen phosphate
- Molecular formula
- H9N2O4P
- Molecular weight
- 132.06 g/mol
- Exact mass
- 132.02999377 Da
- Topological polar surface area
- 85.4 Ų
- Hydrogen-bond donors
- 3
- Hydrogen-bond acceptors
- 4
- Covalent units
- 3
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:63051
- EPA DTXSID:DTXSID6029705
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Inventory details for DIAMMONIUM PHOSPHATE
INCI name
DIAMMONIUM PHOSPHATE
Description
Diammonium hydrogenorthophosphate
Record provenance
- Inventory reference
- 75636
- Imported identity
- DIAMMONIUM PHOSPHATE
- Source update
- 15/10/2010
Annex records for DIAMMONIUM PHOSPHATE
Key data
- ANTICORROSIVE
- Preventing and or inhibiting the corrosion of the packaging material.
- BUFFERING
- Stabilising the pH of an aqueous medium in a narrow range even if an acid or base is added. Altering and/or maintaining a cosmetic product's pH at the desired level.
- ORAL CARE
- Providing cosmetic effects to the oral cavity, e.g. cleansing, deodorising, protecting.
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How DIAMMONIUM PHOSPHATE appears in the CosIng inventory
The CosIng inventory lists DIAMMONIUM PHOSPHATE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.
DIAMMONIUM PHOSPHATE is also tagged with 3 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.
Frequently asked questions
Source note for DIAMMONIUM PHOSPHATE
This page reproduces the CosIng inventory entry for DIAMMONIUM PHOSPHATE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.
Use this inventory page to research DIAMMONIUM PHOSPHATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
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