Properties : Sodium sulphite occurs as colorless, transparent crystals, odorless and having a cooling, saline, sulphurous taste. It is freely soluble in water (1:2). but nearly insoluble in alcohol.

Incompatibilities: It is incompatible with mineral acids.

Action and' Uses: Sodium sulphite is antiseptic and is principally used externally as a wash.

Dosage: It may be applied to the skin in parasitic skin diseases like scabies and favus in a solution of the strength of 1:10 or 1 dram to the ounce. A similar solution may be used as a mouth wash in aphthous stomatitis, mucous patches, or ulcers of the tonsils.