Trisodium Phosphate

Synonym(s)

: Sodium orthophosphate, phosphoric acid; trisodium salt

Mol. Formula

: Na3PO4

EC / List no.

: 231-509-8

CAS no.

: 7601-54-9

Molecular weight

: 163,941

Trisodium phosphate is a sodium phosphate. It is a white, granular or crystalline solid, highly soluble in water, producing an alkaline solution

Application

» This substance is used in the following products: pH regulators and water treatment products, metal surface treatment products, non-metal surface treatment products, polymers, coating products and fillers, putties, plasters, modeling clay.
» This substance is used in the following fields: agriculture, forestry and fisheries.
» Metals are used in the manufacture of fabricated metal products, machinery and tools, pulp, paper and paper products, and chemicals.
» Used in machine wash liquids/detergents, automotive care products, paints and coatings or adhesives, fragrances and air fresheners.

Product Specifications

Physical and Chemical Properties
» Trisodium phosphate appears as colorless, white crystals.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	1583
Density	g/ cm³	2.54	20 °C
Solubility	g/ 100 g	14.5	20 °C, soluble with water
Vapor pressure	Pa	0	20 °C
pH		11.5- 12.5	1% solution
Corrosivity		Corrosve