Agent Name

Disodium phosphate heptahydrate

Alternative Name

Sodium phosphate, dibasic, heptahydrate

CAS Number

7782-85-6

Formula

H-O4-P.2Na.7H2-O

Major Category

Metals

Synonyms

Sodium monohydrogen phosphate heptahydrate (2:1:1:7); Phosphoric acid, disodium salt, heptahydrate; Sodium phosphate, dibasic, heptahydrate; [ChemIDplus] Sodium hydrogen phosphate heptahydrate; [Alfa Aesar MSDS]

Category

Phosphates, Metallic Salts

Description

Solid; [Merck Index] White odorless crystals; [Alfa Aesar MSDS]

Sources/Uses

Used in food production (sequestrant, emulsifier, and buffer), dyeing (mordant), manufacturing (enamels, ceramics, detergents, and boiler compounds) and fireproofing; Also used in weighting silk, tanning, soldering and brazing (instead of borax), and medicine (cathartic); [Merck Index]

Comments

A skin and strong eye irritant; [Alfa Aesar MSDS] See "Disodium phosphate."

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Chemical Information

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