Group of substances:

Physical appearance:

Empirical formula (Hill's system for organic substances):

Structural formula as text:

Molar/atomic mass: 293.89

Melting point (°C):

Decomposition temperature (°C):

Reactions of synthesis:

1. [Ref.1]
   H₅IO₆ + 3NaOH → Na₃H₂IO₆ + 3H₂O
   
2. Yeild 93-98%. [Ref.1]
   NaI + 4Br₂ + 10NaOH → Na₃H₂IO₆ + 8NaBr + 4H₂O
   
3. [Ref.1]
   NaIO₃ + 4NaOH + Cl₂ → Na₃H₃IO₆ + 2NaCl + H₂O
   
4. [Ref.1]
   NaIO₃ + 4NaOH + K₂S₂O₈ → Na₃H₃IO₆ + K₂SO₄ + Na₂SO₄ + H₂O
   

Reactions:

1. [Ref.1]
   Na₃H₂IO₆ + 2HNO₃ → NaIO₄ + 2NaNO₃ + 2H₂O
   

References:

1. Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 168-170
   
2. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 138 [Russian]
   
3. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 362 [Russian]
   
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   © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru