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Sodium Thiosulfate

Sodium Thiosulfate / CAS : 7772-98-7

Appearance Colorless crystal or white powder UN 0
HS 28309090 DG Class 0
Synonyms Sodium Thiosulphate; Hypo; :Sodium Thiosulfate; Pentahydrate; Thiosulfuric acid; Disodium salt; Sodium Hyposulphite; Chemical Sodium Wholesalers; Inorganic Salt; Thiosulfate de Sodium; Dechlorinating Solution; Betz 0235; Antichlor; Sodium Hyposulfite; Sodiumthiosulfate; Disodium Thiosulfate
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Properties

Summary

Formula
Na2O3S2
Molecular Mass
158.10800
Exact Mass
157.90800
PSA
103.66000
Logp
0.50980
IUPAC
disodium;dioxido-oxo-sulfanylidene-lambda6-sulfane
SMILES
[O-]S(=O)(=S)[O-].[Na+].[Na+]

Attribute classification

Matter Classification
inorganic
Category
Inorganic Chemicals > Inorganic Salt
Auxiliary > Paper Additives

Chemical and Physical Properties

Melting Point
48°C
Density
1.01 g/mL at 25 °C
Boiling Point
100°C
Appearance
Colorless crystal or white powder
Acidity and Basicity
alkalinity

Export information

HS Code
28309090
Export Rebate
0%
UN No.
0
DG-Class
0
Risk Code
R36/37/38
Safety Label
Xi

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