Thiocarbonic acid

Trithiocarbonic acid
Names
IUPAC name
Carbonotrithioic acid
Systematic IUPAC name
Trithiocarbonic acid
Other names
  • Dithiocarbon sulfide
  • Sulfocarbonic acid
  • Thiocarbonic acid
  • Trisulfocarbonic acid
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.008.931
EC Number
  • 209-822-6
MeSH C013321
UNII
  • InChI=1S/CH2S3/c2-1(3)4/h(H2,2,3,4) N
    Key: HIZCIEIDIFGZSS-UHFFFAOYSA-N N
  • C(=S)(S)S
Properties
H2CS3
Molar mass 110.21 g·mol−1
Appearance Red oily liquid, yellow crystalline solid
Density 1.483 g/cm3 (liquid)
Melting point −26.8 °C; −16.3 °F; 246.3 K
Boiling point 58 °C; 136 °F; 331 K
Related compounds
Related compounds
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

Thiocarbonic acid is an acid with the chemical formula H2CS3 (or S=C(SH)2). It is an analog of carbonic acid H2CO3 (or O=C(OH)2), in which all oxygen atoms are replaced with sulfur atoms. It is an unstable hydrophobic red oily liquid.

It is often referred to as trithiocarbonic acid so as to differentiate it from other carbonic acids containing sulfur, such as monothiocarbonic O,O-acid S=C(OH)2, monothiocarbonic O,S-acid O=C(OH)(SH), dithiocarbonic O,S-acid S=C(OH)(SH) and dithiocarbonic S,S-acid O=C(SH)2 (see thiocarbonates).

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