Ditionato de sódio

Ditionato de sódio
Alerta sobre risco à saúde
Nome IUPAC Sodium dithionate
Outros nomes Metabissulfato de sódio
Identificadores
Número CAS 7631-94-9
PubChem 146045
Número EINECS 231-550-1
ChemSpider 128833
SMILES
InChI
1/2Na.H2O6S2/c;;1-7(2,3)8(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2
Propriedades
Fórmula molecular Na2S2O6
Massa molar 206.106 g/mol
Aparência Pó cristalino branco
Densidade 2.19 g/cm3
Ponto de fusão

52 °C, 325 K, 126 °F

Ponto de ebulição

267 °C, 540 K, 513 °F (decompõe-se)

Solubilidade em água 6.27 g/100 mL (0 °C)
15.12 g/100 mL (20 °C)
64.74 g/100 mL (100 °C)
Riscos associados
NFPA 704
0
3
0
 
Página de dados suplementares
Estrutura e propriedades n, εr, etc.
Dados termodinâmicos Phase behaviour
Solid, liquid, gas
Dados espectrais UV, IV, RMN, EM
Exceto onde denotado, os dados referem-se a
materiais sob condições normais de temperatura e pressão

Referências e avisos gerais sobre esta caixa.
Alerta sobre risco à saúde.
Para o agente esterilizante, veja metabissulfito de sódio. Para o agente redutor, veja ditionito de sódio.

Ditionato de sódio é um composto inorgânico de fórmula Na2S2O6, sendo um importante composto para química inorgânica. É também conhecido pelos nomes ditionato de dissódio, hipossulfato de sódio, e metabissulfato de sódio. O enxofre pode ser considerado como estando em seu estado de oxidação +5.

[1] [2]

[3]

Referências

  1. W. G. Palmer (1954). Experimental Inorganic Chemistry. [S.l.]: CUP Archive. pp. 361–365. ISBN 0-521-05902-X 
  2. D. W. Larson; A. B. VanCleave (fevereiro de 1963). «X-Ray Diffraction Data for Alkali Dithionates». The National Research Council of Canada. Canadian Journal of Chemistry. 41 (2). doi:10.1139/v63-035 
  3. Haussühl, E.; A. A. Kaminskii (2010). Laser Physics. 15 (5): 714–727 
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