Product Name | Sodium Thiosulfate / Sodium Thiosuphate |
Appearance | colorless, transparent crystal or crystalline fine grain |
Formula | Na2S2O3/Na2S2O3 5H2O |
CAS No. | 7772-98-7 |
EINECS No. | 231-867-5 |
HS CODE | 2830909000 |
Storage | Airtight save |
Usage | Reducing agent of dichromate in tanning, a neutralizer of nitrogen tail gas, a mordant, a bleach agent of straw and wool, and a dechlorination agent in pulp bleaching |



2. For purifying soft water and tanning hides.
3.As a reducing agent, fixers, blush preventive agent, deoxidizer, sulfur dyeing agent, anti-whiting agent, detergent,
disinfectant and color faking agent.
1, Q: Can you supply samples for testing?
A: Yes, Our samples are free for your testing,
However, you need to afford the delivery fee (DHL/TNT/EMS)
The delivery fee will be deducted from the future bulk order.
2, Q: What documents you provide for every shipment?
A: Usually, Commercial invoice, Packing list, Bill of lading, COA, Certificate of origin,
MSDS are promised. Other documents you need for import,
please feel free to contact us.
3,Q: How can i get the price for this product?
A: Please give us the exact quantity,packing,destination port and
other necessary information,we will give you quotation according
to your specific requirments.
4,Q: How about delivery lead time?
A: Delivery lead time: About 7-10 days after payment confirmed.(Chinese holiday not included).
5,Q:How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T,Western Union or Paypal or secure payment.
It is mainly used as fixing agent in photography industry. Secondly, it is used as reducing agent of dichromate in tanning leather, neutralizing agent of nitrogen tail gas, mordant, bleaching agent of wheat stalk and wool, and dechlorination agent in bleaching of paper pulp. It is also used in the manufacture of tetraethyl lead, dye intermediates and ore silver extraction.