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Trisulfane

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Trisulfane

Names

Systematic IUPAC name

Trisulfane^[1]

Identifiers

CAS Number

13845-23-3^Y

3D model (JSmol)

Interactive image

Beilstein Reference

3903006

ChEBI

CHEBI:50365^Y

ChEMBL

ChEMBL1235793^N

ChemSpider

145860^Y

Gmelin Reference

25473

PubChem CID

166718

CompTox Dashboard (EPA)

DTXSID80925328

InChI

InChI=1S/H2S3/c1-3-2/h1-2H^Y

Key: KBMBVTRWEAAZEY-UHFFFAOYSA-N^Y

SMILES

Properties

Chemical formula

H₂S₃

Molar mass

98.20 g·mol⁻¹

Appearance

yellow liquid

Density

1.495 g/cm³ (15 °C)^[2]

Melting point

−53 °C (−63 °F; 220 K)

Boiling point

170 °C (338 °F; 443 K)

Solubility in water

low

log P

1.237

Acidity (pK_a)

5.826

Basicity (pK_b)

8.171

Related compounds

Hydrogen sulfide

Disulfane

Polysulfides

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is ^YN ?)

Infobox references

Trisulfane is the inorganic compound with the formula H₂S₃. It is a pale yellow volatile liquid with a camphor-like odor. It decomposes readily to hydrogen sulfide (H₂S) and elemental sulfur. It is produced by distillation of the polysulfane oil obtained by acidification of polysulfide salts.^[3]

References[edit]

^ "trisulfane (CHEBI:50365)". Chemical Entities of Biological Interest (ChEBI). UK: European Bioinformatics Institute. 18 August 2008. Main. Retrieved 27 September 2011.

^ Feher, Franz; Baudler, Marianne. Chemistry of sulfur. III. The preparation and properties of hydrogen trisulfide. Zeitschrift für Anorganische Chemie, 1947. 254: 251-254. ISSN: 0372-7874.

^ R. Steudel "Inorganic Polysulfanes H₂S_n with n > 1" in Elemental Sulfur and Sulfur-Rich Compounds II (Topics in Current Chemistry) 2003, Volume 231, pp 99-125. doi:10.1007/b13182

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