Thiocarbonic acid

Thiocarbonic acid
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Names
	IUPAC name carbonotrithioic acid
	Other names Trithiocarbonic acid
Identifiers
CAS Number	594-08-1
Jmol 3D model	Interactive image
PubChem	68982
	SMILES C(=S)(S)S ;
Properties
Chemical formula	CH2S3
Molar mass	110.22 g/mol
Appearance	red, oily liquid
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
Vapor pressure	{{{value}}}
Related compounds
Related compounds	Carbonic acid, Thiosulfuric acid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

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Thiocarbonic acid is an inorganic acid which is related to carbonic acid. Its chemical formula is H₂CS₃.

It can be synthesized through the reaction of hydrosulfide and carbon disulfide:

Physical properties of thiocarbonic acid

CS₂ + SH⁻ → S₂CSH⁻

S₂CSH⁻ + OH⁻ → CS²⁻
₃ + H₂O^[1]

Thiocarbonic acid decomposes when heated:

H₂CS₃ → CS₂ + H₂S_(g)

References

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