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SODIUM THIOSULPHATE ANHYDROUS AR
Sodium hyposulfite
MSDS
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COAs
Packings
1000 g
(01000)
Print friendly version
Article No.
06052
Grade
AR
Purity
98%
CAS No.
7772-98-7
Molecular Formula
Na
2
S
2
O
3
Molecular Weight
158.10
H.S. Code
2832.3010
Shelf Life
60 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
6.5 - 8
Melting point/ Freezing point [°C]
>100°C
Density [g/cm3]
1.66
Solubility in water [% weight]
50 g/100 g cold water
Specifications
Appearance
White crystalline powder
Assay
Min 98%
Calcium (Ca)
Max 0.01%
Heavy metal (as Pb)
Max 0.001%
Insoluble matter
Max 0.01%
Sulphide (S)
Max 0.0001%
pH (5% solution in water)
6.0 - 8.5
Revision Date:
03-Apr-2021
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SODIUM THIOSULPHATE ANHYDROUS