Sodium Thiosulphate Pentahydrate is an inorganic class crystalline compound having a chemical formula of Na2S2O3 with a molar mass of 248.18 grams per mol. This odorless compound starts to melt at a temperature of 48.3 degrees Celsius. It can be used in various applications such as medical, photographic processing, neutralizing of chlorinated water, and many more. Sodium Thiosulphate Pentahydrate offered by us can be delivered to our clients within packages of 25 to 50 kilograms as per the customer demands.
Sodium Thiosulphate Pentahydrate or Sodium Hyposulphite Specifications:
ITC-HSN Code: 2832 30 10CAS: 10102-17-7 (7772-98-7Anhydrous)
Sodium Thiosulphate Technical
Parameters | Specifications |
Appearance | Fine Crystalline |
pH of 10%Aqueous Solution | 6.5 to 8 |
Assay | 98% minimum |
Sulphites &Sulphates | 1% max |
Heavy Metals | Less than 5ppm |
Iron | Less than 10ppm |
SodiumThiosulphate Pure
Parameters | Specifications |
Appearance | White Uniform Crystals (10 mesh) |
pH of 10%Aqueous Solution | 6.5 to 8 |
Assay | 99% minimum |
Sulphites &Sulphates | 0.2% max |
Heavy Metals | Less than 5ppm |
Iron | Less than 10ppm |
SodiumThio Sulphate Photographic P4 & P8
Parameters | Specifications |
Appearance | Cylindrical Pellets (5 mm to 10 mm for P4) & (2 mm to 5 mm for P8) |
pH of 10%Aqueous Solution | 6.5 to 8 |
Assay | 99.5% minimum |
Sulphites &Sulphates | 0.2% max |
Heavy Metals | Less than 3ppm |
Iron | Less than 5ppm |
We can give both the grades Pentahydrate and Anhydrous. We can give technical grade small crystals and large crystals too. Sodium Thiosulphate Anhydrous Specifications
Formula | (Na2) S2O3 |
Molecular Weight | 158 |
Assay as(Na2)S2O3 | 98 % Min. |
10% solutionin water | Clear |
Description | White powder free from foreign particles. |
pH of 10 %Solution | 6.5 To 8.5 |
Sulphites &Sulphates | 0.5% maximum |
Iron | Less than 10ppm |
Heavy Metals | Less than 10ppm |
Standard Packing | 25 Kg. / 50Kg/55lbs. HDPE Bag with extra liner inside or in Jumbo bags or as required by the buyer. |
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