Trithionate

Trithionate
Names
	IUPAC name 2,2,4,4-tetraoxido-1,5-dioxy-2,3,4-trisulfy-[5]catenate(2−)
Identifiers
CAS Number	15579-17-6;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:15987;
ChemSpider	477;
ECHA InfoCard	Lua error in Module:Wikidata at line 880: attempt to index field 'wikibase' (a nil value). Lua error in Module:Wikidata at line 880: attempt to index field 'wikibase' (a nil value).Lua error in Module:EditAtWikidata at line 29: attempt to index field 'wikibase' (a nil value).
E number	Lua error in Module:Wikidata at line 880: attempt to index field 'wikibase' (a nil value).
Gmelin Reference	142337
KEGG	C01861;
PubChem CID	491;
CompTox Dashboard (EPA)	{{#property:P3117}}Lua error in Module:EditAtWikidata at line 29: attempt to index field 'wikibase' (a nil value).;
	InChI InChI=1S/H2O6S3/c1-8(2,3)7-9(4,5)6/h(H,1,2,3)(H,4,5,6)/p-2 Key: KRURGYOKPVLRHQ-UHFFFAOYSA-L;
	SMILES [O-][S+2]([O-])([O-])S[S+2]([O-])([O-])[O-];
Properties
Chemical formula	O6S3−2
Molar mass	192.18 g·mol−1
Conjugate acid	Trithionic acid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Trithionate is an oxyanion of sulfur with the chemical formula S
₃O²⁻
₆. It is the conjugate base of trithionic acid.^[1] Dilute sodium hydroxide hydrolyzes S
₄N
₄ as follows, yielding sodium thiosulfate and sodium trithionate:^[2]

2 S
₄N
₄ + 6 NaOH + 9 H
₂O → Na
₂S
₂O
₃ + 2 Na
₂S
₃O
₆ + 8 NH
₃

Certain sulfate-reducing bacteria have been known to use the compound in respiration.^[3]

References

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