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Sodium thiosulfate

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Sodium thiosulfate

Molecular formula: Na2O3S2 CAS# 7772-98-7
Names
English:
Ametox
Antichlor
Chlorine Control
Chlorine Cure
Declor-It
Desilube 88
Disodium thiosulfate
Disodium thiosulphate
E539
EINECS:231-867-5
Hypo
Hyposulphite of soda
S-Hydril
Sodium hyposulfite
Sodium thiosulfate [Wiki]
Sodium thiosulfate anhydrous
Sodiumhyposulfite
Thiosulfuric acid, disodium salt (8CI)
disodium;dioxido-oxo-sulfanylidene-λ6-sulfane(IUPAC)
sodium thiosulphate
Русский:
Тиосульфат натрия [Wiki]
антихлор
гипосульфит
сульфидотриоксосульфат натрия
German:
Natriumhyposulfit (veraltet)
Natriumthiosulfat [Wiki]
العربية:
ثيوكبريتات الصوديوم [Wiki]
French:
Thiosulfate de sodium [Wiki]
hyposulfite de sodium
Italiano:
Tiosolfato di sodio(IUPAC) [Wiki]
iposolfito di sodio
tiosolfato di sodio pentaidrato
日本語:
チオ硫酸ナトリウム [Wiki]
ハイポ
中文:
大苏打
海波
硫代硫酸钠 [Wiki]
Português:
Hipossulfito de sódio
Hiposulfito de soda
Tiossulfato de sódio(IUPAC) [Wiki]

Variants of the formula:

Na2S2O3
$L(1.3)Na`^+/hO`^-\S<_qq4S><_pp4O>\O^-/hNa^+
Na2SO3S
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Sodium thiosulfate is involved

  • 2Na2S2O4 "52^oC"--> Na2SO3S + Na2S2O5
  • 2Na2S2O4 + H2O "T"-> 2NaHSO3 + Na2SO3S
  • Na2SO3 + S -> Na2S2O3
  • 4SO2 + 2H2S + 6NaOH -> 3Na2S2O3 + 5H2O
  • 4S + 6NaOH -> 2Na2S + Na2S2O3 + 3H2O