- Product Details
Keywords
- Sodium thiosulfate
- 7772-98-7
- 99%Sodium thiosulfate
Quick Details
- ProName: high quality Sodium thiosulfate cas 77...
- CasNo: 7772-98-7
- Molecular Formula: Na2O3S2
- Appearance: White crystal Powder
- Application: Used as a reducing agent in tanning. U...
- DeliveryTime: Shipped in 15 days after payment
- PackAge: according to customers' requirements
- Port: China main port
- ProductionCapacity: 1000 Kilogram/Month
- Purity: 99%
- Storage: 2-8°C
- Transportation: International express
- LimitNum: 1 Metric Ton
- Moisture Content: 1%
- Impurity: 0.5%
Superiority
Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present, our customers have spread all over the world, we have rich Transportation experience, we aim to serve customers, to help customers, solve problems for customers.We could give you:
1.Best quality in your requirement
2.Competitive price in China market
3.mature Technical support
4.Professional logistic support
5. Environment friendly
6.Great performance
7. Easy application
Look forward to working with you!
Details
Sodium Thiosulfate Anhydrous Reagent grade Na2S2O3 7772-98-7
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.
Use:
Mainly used for photographic industry as fuser agent. Tanning when potessium dichromate salt reductants and nitrogen exhaust neutralizers, salt, wheat stem and hair bleach and pulp bleaching agent of the emergence of chlorine when. Also used in tetraethyl lead, dye intermediates such as manufacturing and ore mention silver etc.
Details:
Test item |
Specification |
|
Reagent grade |
Pharmaceutical grade |
|
Appearance |
Conform |
Conform |
Assay /% |
≥99.0 |
≥98.5 |
Clarify degrees test |
Conform |
Conform |
Water insoluble/% |
≤0.005 |
≤0.01 |
Chloride (Cl)/% |
≤0.02 |
- |
Sulphate and sulphite (SO4)/% |
≤0.05 |
≤0.1 |
Sulfide (S)/% |
≤0.00025 |
≤0.0005 |
N/% |
≤0.005 |
- |
Magnesium (Mg) /% |
≤0.001 |
- |
Calcium (Ca) /% |
≤0.003 |
≤0.05 |
Ferric (Fe)/% |
≤0.0005 |
≤0.001 |
Heavy metal (Pb)/% |
≤0.0005 |
≤0.001 |