sodium aluminium phosphate

noun

An ionic compound made up of aluminium cations (Al³⁺), sodium cations (Na⁺), and phosphate anions (PO₄³⁻) in the ratio of 1:3:2, respectively. Other ratios are possible and some combinations also contain hydrogen and/or water molecules and/or HPO₄²⁻ as well. It is used in baking as a leavening agent for making sponge cakes, crumpets.

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Meanings

nounsodium aluminium phosphate (plural sodium aluminium phosphates)

plural sodium aluminium phosphates · alternative sodium aluminum phosphate

  1. chemistryAn ionic compound made up of aluminium cations (Al³⁺), sodium cations (Na⁺), and phosphate anions (PO₄³⁻) in the ratio of 1:3:2, respectively. Other ratios are possible and some combinations also contain hydrogen and/or water molecules and/or HPO₄²⁻ as well. It is used in baking as a leavening agent for making sponge cakes, crumpets.
Cite this entry
APA

sodium aluminium phosphate. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sodium%20aluminium%20phosphate

MLA

“sodium aluminium phosphate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sodium%20aluminium%20phosphate. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “sodium aluminium phosphate,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sodium%20aluminium%20phosphate.

Source: sodium aluminium phosphate on Wiktionary, CC BY-SA 4.0.