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Sodium Thiosulphate Anhydrous/Pentahydrate Na2s2o3 Sodium Thiosulfate
| Price | $650.00 |
|---|---|
| Min Order | 5 Tons |
| Availability | In Stock |
| Shipping From | Henan, China |
| Popularity | 451 people viewed |
Model NO.:
Sodium Thiosulfate
CAS No.:
7772-98-7
Formula:
Na2s2o3
EINECS:
231-867-5
Certification:
CCIC, CIQ, RoHS, ISO
Purity:
≥99%
Type:
Sodium Sulfate
Appearance:
Powder
Grade Standard:
Industrial Grade
Product Name:
Sodium Thiosulfate
Other Name:
Sodium Thiosulfate Pentahydrate
Sodium Thiosulfate Formula:
Na2s2o3
Formula Weight:
158.108
Boiling Point:
100 ºC
Water-Solubility:
Easy to Dissolve
Density:
1.667 G/Cm³
Type(Grade):
Industry Grade
Sodium Thiosulfate Appearance:
Colorless Transparent Crystals
Melting Point:
48 ºC
Solubility:
Soluble in Water
Fe:
0.002% Max
pH Value:
7.5
Sodium Thiosulfate Purity:
99% Min
Storage:
Dry Place
Trademark:
Kelai
Transport Package:
25kg Bag, or 1000kg Jumbo Bag
Specification:
25kg bag, or 1000kg jumbo bag
Origin:
China
HS Code:
2830909000
Product Description
Sodium Thiosulfate Pentahydrate 99%/Sodium Thiosulfate 99% MIN
1.Brief Description
Molecular formula: Na2S2O3
CAS: 7772-98-7
Appearance:White powder
Properties:Single crystal is inclined white crytallized powder, a proportion of 1.667, soluble in water, alcohol, insoluble in air heating oxidation is decomposed into sodium and sulfur dioxide. In pure oxygen in combustion is generating sodium, method and sulfur.
2. Technical Data Sheet
| Item | Photographic grade | Industrial grade | Anhydrous grade |
| Appearance | colorless transparent crystal | colorless transparent crystal | white powder |
| Assay | ≥ 99.00% | ≥ 98.5% | ≥ 97.0% |
| Water Insoluble matter | ≤ 0.01% | ≤ 0.03% | ≤ 0.03% |
| Sulfide | ≤ 0.001% | ≤ 0.003% | ≤ 0.001% |
| Fe | ≤ 0.001% | ≤ 0.003% | ≤ 0.005% |
| PH | 6.5~9.5 | 6.5~9.5 | 6.5~9.5 |
| Water solution reaction | in accordance with the test | in accordance with the test | ---- |
| Granularity(g/g) | 12~16 | --- | ---- |
3. Application
(1). It is mainly used as fixing agent in photography industry.
(2). It is used as reducing agent of dichromate in tanning, neutralizer of nitrogen-containing tail gas, mordant, bleach of wheat straw and wool, and dechlorination agent in pulp bleaching. It is also used in the manufacture of tetraethyl lead, dye intermediates and silver extraction from ore.
4.Packing and Loading
(1) . Packing : 25kg net/bag or customized bag .
(2) . Loading quantity : 25MT/20'container
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