Diphosphorus trisulfide

Diphosphorus trisulfide
Names
IUPAC name
Phosphorus trisulfide
Systematic IUPAC name
Diphosphorus trisulfide
Other names
Diphosphathiane-1,3-dithione
Phosphorus(III) sulfide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.032.094
EC Number
  • 235-317-5
UN number 1343
  • InChI=1S/P2S3/c3-1-5-2-4
    Key: XQNIYBBHBZAQEC-UHFFFAOYSA-N
  • P(=S)SP=S
Properties
P2S3
Molar mass 158.13 g·mol−1
Appearance Grayish yellow solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Diphosphorus trisulfide (sometimes called phosphorus trisulfide) is a phosphorus sulfide with the formula of P2S3. The substance is highly unstable and difficult to study. In contrast, the formal dimer P4S6 is well-known.

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