Sodium Sulphate

Sodium sulfate, also known as sulfate of soda, is the inorganic compound with formula Na2SO4 as well as several related hydrates. It is is mainly used for the manufacture of detergents and in the Kraft process of paper pulping.

A widely used additive, particularly by the Paper, Glass, Dyestuff and Home Care industry.

Industry: Glass, Home Care, Paper, Textile

Application: Detergents, Glass fining agents, Levelling agents, Pulp

Synonyms: Disodium sulphate; Glauber’s salt

CAS number: 7757-82-6

Molecular formula: Na2SO4


Appearance:                  Visible white to cream coloured powder
Purity as Na2SO4:       99% minimum
Moisture (LOD):          0.5% maximum
Chloride content:        0.2% maximum
pH of 10% solution:    7.5 ± 1.0

Applications: In cement, detergents, dyes, glass, metal, pulp and paper, soap and textile
Packaging:  Sodium sulphate is available in 50 kg HDPE bags and 1,000 kg or 1,250 kg jumbo