Agent Name

Tetrasodium pyrophosphate decahydrate

CAS Number

13472-36-1

Formula

H4-O7-P2.4Na.10H2-O

Major Category

Other Classes

Synonyms

Pyrophosphoric acid, tetrasodium salt, decahydrate; Sodium pyrophosphate decahydrate; Diphosphoric acid, tetrasodium salt, decahydrate; Tetrasodium pyrophosphate, decahydrate; [ChemIDplus] Sodium pyrophosphate tetrabasic decahydrate; [Sigma-Aldrich MSDS]

Category

Salts, Basic

Description

Colorless crystalline solid; [Sigma-Aldrich MSDS]

Sources/Uses

Used as an emulsifier, buffering agent, and sequestrant for foods; [JECFA]

Comments

A skin and strong eye irritant; [Sigma-Aldrich MSDS] See "Tetrasodium pyrophosphate."

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