SX0820
Sodium Thiosulfate
anhydrous, GR
Synonym(s):
Sodium Thiosulfate, Hypo
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About This Item
Empirical Formula (Hill Notation):
Na2O3S2
CAS Number:
Molecular Weight:
158.11
MDL number:
UNSPSC Code:
12352302
EC Index Number:
231-867-5
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Quality Level
form
powder or crystals
pH
6.0-8.5 (20 °C, 50 g/L in H2O)
solubility
701 g/L
shipped in
ambient
storage temp.
room temp
SMILES string
[Na+].[Na+].[S](=S)(=O)([O-])[O-].O.O.O.O.O
InChI
1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2
InChI key
PODWXQQNRWNDGD-UHFFFAOYSA-L
Application
anhydrous, GR
Analysis Note
Assay: 97% min
Color: White
Form: Powder or crystals
Heavy metals (as Pb): 0.001% max
Insoluble matter: 0.01% max
Sulfide (S): 0.0001% max
Color: White
Form: Powder or crystals
Heavy metals (as Pb): 0.001% max
Insoluble matter: 0.01% max
Sulfide (S): 0.0001% max
Storage Class Code
10-13 - German Storage Class 10 to 13
Regulatory Information
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Certificates of Analysis (COA)
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