Sodium Tripolyphosphate Granular

Synonym(s)

: Pentasodium triphosphate, sodium triphosphate, triphosphoric acid; pentasodium salt

Mol. Formula

: Na5P3O10

EC / List no.

: 231-838-7

CAS no.

: 7758-29-4

Molecular weight

: 367,86

Sodium tripolyphosphate is an inorganic compound and the sodium salt of the polyphosphate penta-anion. It is used as a component of a wide variety of domestic and industrial products, especially detergents.

Application

» This substance is used in the following products: water softeners, washing and cleaning products, pH regulators and water treatment products, water treatment chemicals, adhesives and sealants, coating products, metal surface treatment products, inks and toners, metalworking fluids, photochemicals, varnishes and waxes and polymers.
» This substance is used in the following areas: healthcare, municipal supply (eg electricity, steam, gas, water) and sewage treatment, construction and civil works.
» It is used in the manufacture of metals and fabricated metal products.
» Used in machine wash fluids/detergents, automotive care products, paints, coatings or adhesives, fragrances and air fresheners, coolants in refrigerators, oil-based electric heaters, hydraulic fluids in automotive suspension, lubricants in engine oil and brake fluids.

Product Specifications

Physical and Chemical Properties
» Appears as a white granular.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	622
Density	g/cm³	2.55	21 °C
Solubility	g/ L	148	20°C, soluble with water
pH		9.7- 9.8	1% solution, 25 °C