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CAS No 1310-61-8 , Potassium sulfide(K(SH))

  • Name: Potassium sulfide(K(SH))
  • Synonyms: Potassium sulfide(K(SH)); Monopotassium monohydrogen sulfide; Potassium hydrosulfide;Potassiumsulfide (K(HS)) (7CI,8CI); Potassium hydrogen sulfide; Potassiumsulfhydrate; Potassiumbisulfide;
  • CAS Registry Number:
  • Transport: 1382
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: g/cm3
  • Safety Statements: RIDADR 1382HazardClass 4.2PackingGroup II
  • Flash Point: °C
  • EINECS: 215-182-9
  • Molecular Weight: 72.17
  • InChI: InChI=1/K.S/q+1;-2/p+1
  • Molecular Formula: HKS
  • Molecular Structure:CAS No:1310-61-8 Potassium sulfide(K(SH))

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References of Potassium sulfide(K(SH))
Title: Potassium Bisulfide
CAS Registry Number: 1310-61-8
Synonyms: Potassium hydrosulfide; potassium hydrogen sulfide; potassium sulfhydrate
Molecular Formula: HKS
Molecular Weight: 72.17
Percent Composition: H 1.40%, K 54.18%, S 44.43%
Line Formula: KHS
Literature References: Prepd industrially from Ca(HS)2 and K2SO4: Hene, DE 380385 (1922); from H2S and K2S: Bassett, US 1662735 (1925); Strosacker, Jones, US 1771384 (1926 to Dow). Prepn of pure material by the action of dry H2S upon potassium metal dissolved in abs ethanol: Rule, J. Chem. Soc. 99, 558, 564 (1911); West, Z. Kristallogr. 88, 102 (1934).
Properties: Colorless, deliquescent crystals or white, strongly hygroscopic, cryst mass. Usually present as the hemihydrate. Trigonal system. d 1.70. Rapidly becomes yellow on exposure to air with formation of polysulfides and H2S. Becomes anhydr at 175-200°. mp 450-510° forming a dark red liquid. Heat of formation: +62.5 kcal. Heat of soln at 17°: +0.77 kcal, for hemihydrate at 16°: +0.62 kcal. Freely sol in water, alcohol.
Melting point: mp 450-510° forming a dark red liquid
Density: d 1.70