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CAS No 7631-94-9 , Dithionic acid, sodiumsalt (1:2)

  • Name: Dithionic acid, sodiumsalt (1:2)
  • Synonyms: Dithionic acid; sodiumsalt (1:2); AGN-PC-0CQ0F0;AG-H-04525; SODIUM DITHIONATE; Na2S2O6; Sodium sulfate (Na2S2O6); AC1L3SFQ;Dithionic acid, sodiumsalt (1:2); CTK5E2764;
  • CAS Registry Number:
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: g/cm3
  • Flash Point: °C
  • EINECS: 231-550-1
  • Molecular Weight: 206.105939
  • InchiKey: CSMWJXBSXGUPGY-UHFFFAOYSA-L
  • InChI: InChI=1S/2Na.H2O6S2/c;;1-7(2,3)8(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
  • Molecular Formula: Na2O6S2
  • Molecular Structure:CAS No:7631-94-9 Dithionic acid, sodiumsalt (1:2)

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References of Dithionic acid, sodiumsalt (1:2)
Title: Sodium Dithionate
CAS Registry Number: 7631-94-9
CAS Name: Dithionous acid disodium salt
Molecular Formula: Na2O6S2
Molecular Weight: 206.11
Percent Composition: Na 22.31%, O 46.58%, S 31.11%
Literature References: Prepd according to the equations MnO2 + 2SO2 ? MnS2O6 and MnS2O6 + Na2CO3 ? MnCO3 + Na2S2O6: de Baat, Rec. Trav. Chim. 45, 237 (1926); Pfanstiel, Inorg. Synth. 2, 170 (1946).
 
Derivative Type: Dihydrate
Properties: Colorless, water-clear, orthorhombic crystals. Very stable in air. d 2.189. Loses all of its water of crystn at 110°. When heated to 267° it is dissociated into Na2SO4 and SO2. Soly in water at 0°: 6.05% (w/w); at 20°: 13.39%; at 30°: 17.32%. Insol in alc.
Density: d 2.189