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Sodium thiosulfate, 99%, for analysis, anhydrous, Thermo Scientific™

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Quantity:
250g
1kg
5kg
7772-98-7
H10Na2O8S2
248.17
MFCD00003499
PODWXQQNRWNDGD-UHFFFAOYSA-L
sodium thiosulfate, sodium thiosulphate, disodium thiosulfate, sodium thiosulfate anhydrous, hypo, sodiumthiosulfate, chlorine cure, chlorine control, declor-it, thiosulfuric acid, disodium salt
24477
disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane
O.O.O.O.O.[Na+].[Na+].[O-]S([S-])(=O)=O
7772-98-7
H10Na2O8S2
248.17
MFCD00003499
PODWXQQNRWNDGD-UHFFFAOYSA-L
sodium thiosulfate, sodium thiosulphate, disodium thiosulfate, sodium thiosulfate anhydrous, hypo, sodiumthiosulfate, chlorine cure, chlorine control, declor-it, thiosulfuric acid, disodium salt
24477
disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane
O.O.O.O.O.[Na+].[Na+].[O-]S([S-])(=O)=O

This Thermo Scientific brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific.

Assay Percent Range 98.5% min. (Iodimetry)
Linear Formula Na2S2O3
Merck Index 15,8821
Solubility Information Solubility in water: 700g/L (20°C). Other solubilities: practically insoluble in alcohol
Formula Weight 158.1
Percent Purity 99%
Grade Analysis
Cadmium (Cd) 50ppm max.
Calcium (Ca) 50ppm max.
Chloride 0.05% max
Cobalt (Co) 50ppm max.
Copper (Cu) 50ppm max.
Insoluble Matter 0.01% max. (in water)
Iron (Fe) 50ppm max.
Lead (Pb) 50ppm max.
Loss on Drying 1% max. (105°C)
Nickel (Ni) 50ppm max.
Potassium (K) 100ppm max.
Solubility Solubility in water: 700g/L (20°C). Other solubilities: practically insoluble in alcohol
Sulfide 50ppm max.
Zinc (Zn) 50ppm max.
Melting Point 48.0°C
pH 6.0 to 8.4 (5% aq. soln.)
Quantity 1kg
Chemical Name or Material Sodium thiosulfate
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EINECSNumber : 231-867-5

RUO – Research Use Only