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Trithionic acid

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Trithionic acid
Names
IUPAC names
  • Thiodisulfuric acid
  • 1,5-Dihydrido-2,2,4,4-tetraoxido-1,5-dioxy-2,3,4-trisulfy-catena
  • Trithionic acid
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/H2O6S3/c1-8(2,3)7-9(4,5)6/h(H,1,2,3)(H,4,5,6)Key: KRURGYOKPVLRHQ-UHFFFAOYSA-N
SMILES
  • OS(=O)(=O)SS(=O)(=O)O
Properties
Chemical formula H2O6S3
Molar mass 194.19 g·mol
Density 2.4±0.1 g/cm
Melting point 324.41 °C (615.94 °F; 597.56 K)
Boiling point 739.35 °C (1,362.83 °F; 1,012.50 K)
Solubility in water 1e+006 mg/L
log P -1.1
Vapor pressure 1.07E-016 Pa (8.05E-019 mm Hg)
Acidity (pKa) -6.94
Conjugate base Hydrogen trithionate
Refractive index (nD) 1.700
Pharmacology
Pharmacokinetics:
Biological half-life 0.570 hours
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Trithionic acid is a polythionic acid with three sulfur atoms. It can be viewed as two bisulfite radicals bridged by a sulfur atom.

References

  1. ^ EBI Web Team. "trithionic acid (CHEBI:29210)". ChEBI. Retrieved 23 September 2018.
  2. ^ "Compound Report Card". EBI. Retrieved 23 September 2018.
  3. ^ "Trithionic acid". PubChem. Retrieved 23 September 2018.
Sulfur compounds
Sulfides and
disulfides
Sulfur halides
Sulfur oxides
and oxyhalides
Sulfites
Sulfates
Sulfur nitrides
Thiocyanates
Organic compounds


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