Potassium Metabi Sulphite

Potassium Metabi Sulphite is a salt of pyrosulfurous acid, and is used in the textile industry for dyeing and cotton printing. It is a component of certain photographic developers and solutions used in photographic fixing.

This ingredient appears as white granules or powder, and is soluble in water.

The usage for this product depends on the nature of the formulation, thus there is no exact recommended concentration.