Sodium Thiosulfate Pentahydrate (Hypo) Na2s2o3·5H2O CAS 10102-17-7
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Product Highlights
- Versatile Applications: Used in photography, water treatment, textile de-chlorination, and mining.
- OEM & ODM Services: Full customization available for products and packaging based on client specs.
- Fast Standard Delivery: Standard orders ship within 5-7 days after payment confirmation.
- Free Sample Availability: Free test samples provided; freight reimbursed on first formal order.
- Flexible Payment Terms: Accepts L/C, T/T, Western Union, PayPal, and other secure methods.
- Comprehensive Documentation: Supplies B/L, COA, MSDS, and various certificates for global shipping.
- New Client Discounts: Exclusive preferential pricing available for first-time customers.
Product Attributes
- Customization
- Available
- CAS No.
- 10102-17-7
- Formula
- Na2s2o3.5H2O
- Model NO.
- Sodium Thiosulfate12
- EINECS
- 231-867-5
- Certification
- CCIC, CIQ, RoHS, ISO
- Purity
- ≥99%
- Type
- Sodium Thiosulfate
- Appearance
- Granular
- Grade Standard
- Industrial Grade
- Loading Quantity
- 25-27mt/20' Feet Container
- Loading Port
- Qingdao
- Lead Time
- 7-15 Days
- Transport Package
- 25kg/Bag&Jumbo
- Specification
- 99.0%
- Trademark
- REAPCHEM
- Origin
- China
- HS Code
- 2832300000
- Production Capacity
- 10000mt/Year
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Product Description

Analysis Item | Specification |
Appearance | Colorless transparent crystal / granule |
Assay | ≥99.0% |
Water insoluble | ≤0.01% |
Sulfides (as Na2S) | ≤0.001% |
pH | 6.5-9.5 |
Heavy metals | ≤0.001% |
Fe | ≤0.002% |




A: B/L, Commercial Invoice, Packing List, COA, Certificate of Origin, Quality & Quantity Certificate, Beneficiary's Certificate, MSDS, etc.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2651123". Items marked "" are certified.
Company Profile
Founded over two decades ago, REAP CHEMICAL Ltd has established itself as a premier, production-oriented global exporter of high-quality chemical products. With more than 20 years of industry expertise, deep-rooted technical knowledge, and an unwavering commitment to excellence, we have grown into a trusted partner for businesses worldwide. Today, our international footprint spans over 120 countries and regions, delivering reliable chemical solutions that power diverse industries across the globe.
Our Core Business Segments
As a comprehensive chemical manufacturer and exporter, REAPCHEM specializes in a diverse and robust portfolio designed to meet the rigorous demands of the global market. Our core business divisions include:
Agrochemicals: High-efficiency solutions dedicated to modern agriculture, crop protection, and maximizing global yields.
Flame Retardants: Advanced, safety-driven compounds designed to meet strict international fire safety and material standards.
Industrial Chemicals: Essential raw materials and high-purity chemical agents that drive various manufacturing and industrial processes.
Water Treatment Chemicals: Innovative formulations tailored for industrial, municipal, and environmental water purification and conservation.
Food Additives: Safe, premium-grade ingredients compliant with global health regulations to enhance food quality and preservation.
Chemical Intermediates: Crucial building blocks supporting the synthesis of pharmaceuticals, polymers, and fine chemicals.
About Our Factory & Business Background
- Address
- Rm 701, Building 1, Cluster Data Center, Shunhua Road, Jinan, Shandong, China
-
Plant Area
- 370 square meters
- Terms of Payment
- LC, T/T, D/P
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, FAS, CIP, DAP, CPT, FCA
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Qingdao, Shanghai, Tianjin
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2014-09-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
-
Repeat Buyers Choice
- 80%~100%
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Can I receive test samples?
- Sure, samples are free, customers cover initial freight, which will be fully reimbursed on your first formal order.
- What's your MOQ?
- 500kg
- Can we customize products and packaging per our specifications?
- Absolutely. We provide full OEM & ODM services. Kindly share your specifications or samples, and our technical team will work out customized optimal solutions.
- What is the delivery lead time?
- Standard orders take 5~7 days after payment confirmation. Bulk orders require production scheduling review, adding roughly one week to the lead time.
- Are there special discounts for new clients?
- Yes. Contact us to get exclusive new-customer preferential prices.
- What payment terms do you accept?
- L/C, T/T, Western Union, PayPal etc.
- What shipping documents can you supply?
- B/L, Commercial Invoice, Packing List, COA, Certificate of Origin, Quality & Quantity Certificate, Beneficiary's Certificate, MSDS, etc.
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