diammonium phosphate: meaning, definition, pronunciation and examples

C2
UK/ˌdaɪ.əˈməʊ.ni.əm ˈfɒs.feɪt/US/ˌdaɪ.əˈmoʊ.ni.əm ˈfɑːs.feɪt/

Technical/Scientific

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Quick answer

What does “diammonium phosphate” mean?

A water-soluble ammonium phosphate salt with the chemical formula (NH₄)₂HPO₄, used primarily as a fertilizer and food additive.

Audio

Pronunciation

Definition

Meaning and Definition

A water-soluble ammonium phosphate salt with the chemical formula (NH₄)₂HPO₄, used primarily as a fertilizer and food additive.

In industrial contexts, it serves as a flame retardant in materials like textiles and paper. In food production, it is used as a leavening agent and nutrient supplement.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences. Spelling follows standard national conventions for other words in the sentence.

Connotations

Neutral and technical in both varieties.

Frequency

Equally low-frequency in both dialects, confined to specialised fields.

Grammar

How to Use “diammonium phosphate” in a Sentence

[Subject] applies/treats with/adds diammonium phosphate to [Object][Subject] is composed of/formulated with diammonium phosphateDiammonium phosphate acts as a [function]

Vocabulary

Collocations

strong
apply diammonium phosphategrade diammonium phosphateDAP (abbreviation)solution of diammonium phosphate
medium
fertiliser containing diammonium phosphateproduction of diammonium phosphateuse diammonium phosphate as
weak
chemical diammonium phosphatecommercial diammonium phosphatepure diammonium phosphate

Examples

Examples of “diammonium phosphate” in a Sentence

adjective

British English

  • The diammonium phosphate content was analysed.
  • A diammonium phosphate solution was prepared.

American English

  • The diammonium phosphate content was analyzed.
  • A diammonium phosphate solution was prepared.

Usage

Meaning in Context

Business

Referenced in agricultural supply contracts or chemical commodity reports.

Academic

Used in chemistry, agriculture, and food science papers.

Everyday

Virtually never used in everyday conversation.

Technical

Standard term in fertiliser specifications, chemical safety data sheets, and food ingredient lists.

Vocabulary

Synonyms of “diammonium phosphate”

Neutral

DAPammonium phosphate dibasic

Weak

ammonium hydrogen phosphate

Watch out

Common Mistakes When Using “diammonium phosphate”

  • Misspelling as 'diamonium phosphate' (missing one 'm').
  • Confusing it with monoammonium phosphate (MAP).
  • Using it in non-technical contexts where 'fertiliser' or 'food additive' would suffice.

FAQ

Frequently Asked Questions

Yes, DAP is the common abbreviation for diammonium phosphate in agricultural and industrial contexts.

Typically no, as it is a synthetically produced mineral salt and not approved for use under most organic certification standards.

Yes, in regulated quantities. It is generally recognized as safe (GRAS) by food authorities like the FDA and EFSA when used as a leavening agent or nutrient stabiliser.

It can be a mild irritant to eyes, skin, and respiratory system. In its pure, dry form, it may also pose a dust explosion hazard in confined spaces.

A water-soluble ammonium phosphate salt with the chemical formula (NH₄)₂HPO₄, used primarily as a fertilizer and food additive.

Diammonium phosphate is usually technical/scientific in register.

Diammonium phosphate: in British English it is pronounced /ˌdaɪ.əˈməʊ.ni.əm ˈfɒs.feɪt/, and in American English it is pronounced /ˌdaɪ.əˈmoʊ.ni.əm ˈfɑːs.feɪt/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think: 'DI-ammonium' means TWO ammonium parts, combined with PHOSPHATE, making a 'two-ammonia phosphate' fertiliser.

Conceptual Metaphor

N/A (Highly technical term)

Practice

Quiz

Fill in the gap
As a source of both nitrogen and phosphorus, is a highly efficient fertiliser for alkaline soils.
Multiple Choice

In which industry is diammonium phosphate NOT commonly used?