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Sodium thiosulfate , sodium thiosulphate
Molecular formula: Na2S2O2 .5H 2O
Molecular weight: 248.17
CAS NO.: 10102-17-7
Properties: monoclinic crystal, Melting point : 40 -45℃ , Relative density :1.729( 17 ℃ ).
Items Specifications
Appearance colorless crystal granular
Assay ≥99.00%
Water Insoluble matter ≤0.01%
Sulfide ≤0.001%
Fe ≤0.002%
PH 6.5-9.5
Water solution reaction in accordance with the test
Application
1. in the photosensitive industry: It can be used as a photographic fixing agent
2. in the paper-making industry: the chlorine removal agent after pulp bleaching;
3. in the printing and dyeing industry: the dechlorination agent after cotton fabric bleaching
4. in the analytical chemistry: reagent for chromatography analysis and capacity analysis
5. in the medicine: detergents and disinfectants; solve cyanide poisoning and mercury poisoning;
for skin itching, chronic urticaria, drug rash.
6. In the food industry: chelating agent, anti-oxidant, etc.,
Packaging & Shipping
Packaging: we can pack the goods according to the requirement of the client.
Storage: Keep container tightly closed in a cool, dry and well-ventilated place, avoiding exposure of the packaged product to direct sunlight.
Can I get samples?How to pay?
A: Yes, we can supply small free sample, you need to pay for the freight charge only.
PI will be sent firstly after our aligned products specification. Payment by T/T, Western Union,LC, are ok.
How is your MOQ?
A: Normally speaking, our MOQ is 1kg. But we can also accept less quantity such as 100g on the condition that sample charge is100% paid.
How can you guarantee the quality of your products ?
1. Our staff are all experienced in chemical products or related major background, they are well trained before quotation.
2. Free sample or pre-shipment sample are available for our new cooperation before you place commercial order. We are sure the same specification commercial products as sample to customers
3. Third Party Inspection like SGS can be arranged according to your requirement before shipping.
If you still have questions, contact with us .
Our Services:
1. Any inquiries will be replied within 12 hours.
2. Dedication to quality, supply & service.
3. Strictly on selecting raw materials.
4. OEM Available.
5. Reasonable & competitive price, fast lead time.
6. Sample is available for your evaluation & Formulation development.
7. We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. Or you also can choose your own
shipping forwarder.
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