Thiourea dioxide(CH4N2O2S) or thiox is an organosulfur compound that is used in the textile industry. It functions as a reducing agent. It is a white solid, and exhibits tautomerism.Thiourea dioxide is used as reductive bleaching in the textile industry. The compound exhibits tautomerism.

Properties of Thiourea Dioxide

Chemical formula : CH4N2O2S

Molar mass : 108.12 g/mol

Appearance : White or slight yellowish solid

Odor : Odorless

Density : 1.706 g/cm³

Melting point : 126 °C (259 °F; 399 K) (decomposes)

Boiling point : Decomposes

Solubility in water : 3.0 g/100 mL

Other names : Formamidine sulfinic acid ; Formamidinesulfinic acid ; Thiourea sulfone ; Thiox