Agent Name

Potassium metaphosphate

CAS Number

7790-53-6

Formula

H-O3-P.K

Major Category

Metals

Synonyms

Potassium polymetaphosphate; Metaphosphoric acid (HPO3), potassium salt; [ChemIDplus] Potassium Kurrol's salt; Potassium polyphosphate; [Merck Index]

Category

Phosphates, Metallic Salts

Description

White solid; [Merck Index] White powder; [Strem Chemicals MSDS]

Sources/Uses

Used as a humectant and emulsifier for foods; [FDA]

Comments

High molecular weight polymer with degree of polymerization dependent on preparation; [Merck Index] May cause mild irritation; [Strem Chemicals MSDS]

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