Hydrogen thioperoxide

Hydrogen thioperoxide
Names
	IUPAC name Sulfenic acid
	Systematic IUPAC name Thioperoxol
	Other names Sulfenic acid; oxadisulfane; Sulfur hydride hydroxide; Sulfonol; Sulfanol
Identifiers
CAS Number	62607-44-7;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:37858;
ChemSpider	394637;
Gmelin Reference	672
PubChem CID	447587;
RTECS number	WP4100000;
CompTox Dashboard (EPA)	DTXSID801033872 ;
	InChI InChI=1S/H2OS/c1-2/h1-2H Key: RVEZZJVBDQCTEF-UHFFFAOYSA-N;
	SMILES OS;
Properties
Chemical formula	H2OS
Molar mass	50.08 g·mol−1
Density	1.249
Refractive index (nD)	1.484
Related compounds
Related compounds	Hydrogen peroxide HOOH; Hydrogen disulfide HSSH; Hydroxylamine NH2OH; Sulfoxylic acid HOSOH; 1-oxatrisulfane HSSOH; thiooxonium ylide H2OS;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Hydrogen thioperoxide, also called oxadisulfane or sulfanol, is the chemical with the structure H–S–O–H. It can be considered as the simple sulfur-substituted analog of the common hydrogen peroxide (H–O–O–H) chemical, and as the simplest hydrogen chalcogenide containing more than one type of chalcogen. The chemical has been described as the "missing link" between hydrogen peroxide and hydrogen disulfide (H–S–S–H),^[2] though it is substantially less stable than either of the other two. It is the inorganic parent structure of the sulfenic acid class of organic compounds (R–S–O–H) and also the oxadisulfide linkage (R¹–S–O–R²), where "R" is any organic structure. Sulfur is present in oxidation state 0.

^ Iraqi, Muhammad; Schwarz, Helmut (April 1994). "Experimental evidence for the gas phase existence of HSOH (hydrogen thioperoxide) and SOH2 (thiooxonium ylide)". Chemical Physics Letters. 221 (5–6): 359–362. Bibcode:1994CPL...221..359I. doi:10.1016/0009-2614(94)00293-2.
^ Cite error: The named reference Winnewisser-2003 was invoked but never defined (see the help page).

[iraqi-1] Iraqi, Muhammad; Schwarz, Helmut (April 1994). "Experimental evidence for the gas phase existence of HSOH (hydrogen thioperoxide) and SOH2 (thiooxonium ylide)". Chemical Physics Letters. 221 (5–6): 359–362. Bibcode:1994CPL...221..359I. doi:10.1016/0009-2614(94)00293-2.

[Winnewisser-2003-2] Cite error: The named reference Winnewisser-2003 was invoked but never defined (see the help page).

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