Thiourea dioxide

Thiourea dioxide
Names
	Preferred IUPAC name Amino(imino)methanesulfinic acid
	Other names Thiourea dioxide, DegaFAS, Reducing Agent F, Depilor, Formamidine Sulfinic Acid
Identifiers
CAS Number	1758-73-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	55213;
ECHA InfoCard	100.015.598
PubChem CID	61274;
UNII	42BWR07L73 ;
CompTox Dashboard (EPA)	DTXSID4029224 ;
	InChI InChI=1S/CH4N2O2S/c2-1(3)6(4)5/h(H3,2,3)(H,4,5) Key: FYOWZTWVYZOZSI-UHFFFAOYSA-N;
	SMILES C(=N)(N)S(=O)O;
Properties
Chemical formula	CH4N2O2S
Molar mass	108.12 g·mol−1
Appearance	White powder
Melting point	126 °C (259 °F; 399 K)
Solubility in water	3.0 g/100 mL
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H252, H302, H315, H318, H332, H335, H373
Precautionary statements	P235+P410, P270, P280, P305+P351+P338, P310, P407, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). (what is ?) Infobox references

Thiourea dioxide 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 in solution.