Wholesale Na2s2o3 Industry Grade 99% Granular Crystal Sodium Hyposulfite
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Product Highlights
- Essential Medicine Status: Listed on WHO Essential Medicines List for critical medical treatments.
- Fast Delivery: 90% of orders shipped within 7-10 days after prepayment or L/C.
- 24-Hour Response: Experienced staff responds to inquiries and feedback within 24 hours.
- Certified Quality: Passed BV and ISO9001 certifications with lab testing before shipment.
- Global Export Experience: Over 10 years of export experience serving markets in Europe, Asia, and Africa.
- Flexible Packaging: Available in 25KG bags or 1000KG Jumbo bags with custom options.
- Medical Applications: Used as antidote for cyanide poisoning and treatment for calciphylaxis.
Product Attributes
- Customization
- Available
- CAS No.
- 7772-98-7
- Formula
- Na2s2o3.5H2O
- Model NO.
- Sodium Thiosulfate
- EINECS
- 231-867-5
- Certification
- CCIC, CIQ, RoHS, ISO
- Purity
- ≥99%
- Type
- Sodium Sulfate
- Appearance
- Granular
- Grade Standard
- Industrial Grade
- Molecular Weight
- 248.17
- Feature
- Colorless Transparent Crystal
- Melting Point
- 48.5 Deg;C
- Water Solubility
- 680 G/L (20°C)
- Boiling Point
- 100°C
- Density
- 1.01 G/Ml at 25 °C
- Transport Package
- PP Bag
- Specification
- 25kg
- Trademark
- Sinowin
- Origin
- Henan
- HS Code
- 2830909000
- Production Capacity
- 50000 Mt/Month
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Product Description
Wholesale Na2s2o3 Industry Grade 99% Granular Crystal Sodium Hyposulfite

Purity:99%
CAS no.: 7772-98-7
MF: Na2S2O3
Other names: Sodium thiosulphate, Sodium hyposulfite, Hyposulphite of soda
Sodium Hyposulfite (Na2S2O3), also spelled sodium thiosulphate, is an inorganic compound that
is typically available as the pentahydrate, Na2S2O3·5H2O. The solid is an efflorescent (loses water
readily) crystalline substance that dissolves well in water. It is also called sodium hyposulfite or "hypo".
It is on the World Health Organization's List of Essential Medicines, the most important medications
needed in a basic health system.

2. Technical parameters:
| 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 | --- | ---- |

1) It has been used as treatment of calciphylaxis in hemodialysis people with end-stage kidney disease.
There is apparently an incompletely understood phenomenon whereby this causes severe metabolic
acidosis in some patients.
2) It is used as an antidote to cyanide poisoning.Thiosulfate serves as a sulfur donor for the conversion
of cyanide to thiocyanate (which can then be safely excreted in the urine), catalyzed by the enzyme
rhodanase.
3) It is used in the management of extravasations during chemotherapy. Sodium thiosulfate prevents
alkylation and tissue destruction by providing a substrate for the alkylating agents that have invaded
the subcutaneous tissues.
4) In foot baths for prophylaxis of ringworm, and as a topical antifungal agent for tinea versicolor.
5) In measuring the volume of extracellular body fluid and the renal glomerular filtration rate.
4. Packing:

1. 25KG compound plastic woven bag with inner polythene liner,
2. 1000kg Jumbo bags,
3. Any other particular requirements to the package can be discussed

We are TOP 10 water treatment products manufacturer in China , and we have more than ten
year export experience for sodium thiosulfate. Our goods have exported the following main markets:
1. European market : Spain / Germany
2. Middle East and central Asia: Saudi Arabia, Turkey, Ukraine, Uzbekistan, Qatar and India.
3. African: Kenya,Morocco,Tanzania,Nigeria, Tunisia and sounth africa and so on.
4. Southeast Asia: Singapore, Vietnam,Thailand, Indonesia, Phillippines and Australia.
5. South America: Brazil, Argentina,Chile, Peru, Colombia,Panama and Mexico.

With more than 10 years experience in chemical industry, Henan Sinowin Chemical Industry Co.,Ltd. is
one of the premier Supplier.Our aim is to provide customers the high quality products, most competitive
pricing, the shortest delivery time and the unequaled service. To reach this, we keep our advantages:
+10 years experience
With our good experience, we offer detailed technical support and advice to assist customers. We
communicate closely with customers to establish their quality requirements.
Consistent Quality
Our plant has strict quality control in each manufacturing process. Our goods passed BV,ISO9001
which quality can be control and guaranteed. Meanwhile all the materials are tested before each
shipment in our laboratory to double confirm the quality.
Most competitive pricing
With more than 10 years working experience, we always offer the most competitive pricing to customers
to help lower their cost in application.
Shortest delivery time
90% of orders are shipped within 7-10 days after receipt of the prepayment or workable L/C.
our factory have five production lines and one backup production line,can support any urgent orders.
Respond in 24 hours to inquiry, feedback or other requirements
Our experienced staff is dedicated to answer all of your inquires, feedback or other requirements in 24
hours. We welcome you to contact us for more information and look forward to working with you.

About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI249192". Items marked "" are certified.
Company Profile
Henan Sinowin Chemical Industry Co., Ltd. is a comprehensive group company, locating in Zhengzhou, China's most important transportation hub, in the passed decades, Our business is taking off under the China economy advantage and meeting the market trends very well. Till now, our business have developed into 3 main industry, the Chemical Materials, Beauty&Personal Care, Sports & Entertainment.
Our company started with the chemical raw materials producing, to comply with national policies and increase the added value of products, we have developed the Beauty&Personal care, Sports & Entertainment industries using our own raw material. Thus, we have overwhelming advantage on the materials and prices, can make sure the quality and competitive price in the whole market. Our Brand Sinowin, sinobeauty have been widely accept and getting very popular in the market.
Our company persists: "Quality Promise, Reasonable Price, Fast Service, Faithful Innovation" the concept of development all the time. Providing the high quality products and high quality service for our customers. We Sincerely welcome customers at home and abroad to come to consult the discussion, and seek common development and establish long term reliable relationship!
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- No. 28 Square Road, Jinshui District, Zhengzhou, Henan, China
-
Plant Area
- 320 square meters
-
Number of Employees
- 25
-
Registered Capital
- 3,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port, Shanghai Port
Our Production Capability & Technical Expertise
-
Main Products
- Food additive, water treatment chemical, detergent chemical, painting & coating, solvent, feed additive
-
R&D Engineers
- 2 people
-
Test Reports for Raw Materials
- Others
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2020-04-28
- Export Year
- 1995-01-01
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, South Asia
-
Number of Foreign Trading Staff
- 15
-
Overseas Agent/Branch
- No
FAQ
- How long does it take to ship orders?
- 90% of orders are shipped within 7-10 days after receiving prepayment or a workable L/C.
- What certifications does the product have?
- The product holds CCIC, CIQ, RoHS, and ISO certifications and passes BV quality checks.
- What are the main medical applications?
- It is used as an antidote for cyanide poisoning, treatment for calciphylaxis, and in chemotherapy extravasation management.
- What packaging options are available?
- Standard packaging includes 25KG compound plastic woven bags or 1000KG Jumbo bags, with custom requirements discussed upon request.
- How quickly do you respond to inquiries?
- Our experienced staff is dedicated to answering all inquiries, feedback, and requirements within 24 hours.
- What are the available payment terms?
- We accept LC, T/T, D/P, PayPal, and Western Union as payment terms.
- Which markets do you export to?
- We export to Europe, Middle East, Africa, Southeast Asia, South America, and Australia.
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