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Sodium Thiosulfate Pentahydrate Industrial Chemicals Textile Printing Use
US$160.00-230.00
20 Tons
Product profile
Customization
AvailableCAS No.
10102-17-7Formula
Na2s2o3 . 5H2OModel NO.
99% MinEINECS
231-867-5Appearance
Colorless Transparent CrystalClassification
Inorganic SaltCertification
ISO, ReachPurity
≥99%Type
Sodium ThiosulfateGrade Standard
Industrial Grade / Photo GradeOther Names
Sodium Thiosulphate, HypoApplication
Water Treatment, Leather Tanning, Aquaculture etcWater Solubility
Easily Soluble in WaterShelf Life
One YearSize
1-3mm, 2-4mm, 4-7mmMolecular Weight
248.18 G/MolDensity
1.667 G/Cm³Melting Point
48 ℃Boiling Point
100 ℃Storage Condition
in a Cool and Dry PlaceTransport Package
25kg Neutral Woven Bags/Jumbo BagsSpecification
99% minTrademark
WeichuangOrigin
ChinaHS Code
28323000Production Capacity
3000tons/MonthKey features
High Purity Options: Available in Photo Grade (99% min) and Tech Grade (97-98.5% min) with strict impurity limits.
Customizable Packaging: Standard 25kg bags or 1000-1250kg jumbo bags; other packings can be customized as per request.
Versatile Applications: Used in water treatment, leather tanning, aquaculture, fixers, plating, and as a disinfectant.
Multiple Size Options: Available in small (1-3mm), middle (2-4mm), and big (4-7mm) crystal sizes for different needs.
Global Certifications: Certified with ISO 9001:2015, EU REACH, and UK REACH for quality and safety compliance.
Fast Delivery: Standard delivery time is 15 days, ensuring timely supply for industrial operations.
High Production Capacity: Factory capacity of 3000mt/month per product with stable quality and modern technology.
Free Sample Supply: Free samples available for quality verification; buyer only covers freight charges.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤0.27h
AI-Powered supplier vetting
SummaryChangsha Weichuang Chemical Co., Ltd. is a China-based limited trading company established in 2007 with nine employees. It offers several chemical products and holds an ISO9001:2015 certificate. Service procedures for corrective actions, customer complaints, supplier approval, and service assessment are documented and followed, while overseas service coverage is absent. The supplier reports ODM, OEM, and sample/design customization capabilities, but no new products were developed in the past year and no SDK is available. Export sales represent 71%–90% of total sales, with self-managed import/export rights, although exporting began only one year ago. Lead times are stated as within 15 working days in both peak and off-season periods. Financial records are identified for 2022–2024, but no financial results are provided. Production capacity, raw-material traceability, and customer-specific cases are not sufficiently documented.
CertificationsThe supplier holds an ISO9001:2015 certificate. A BV audit report is listed with validity from September 30, 2025 to September 29, 2026, but the audit result is recorded as “0” without an explanation of its meaning.
After-Sales capabilityDocumented and followed procedures exist for corrective and preventive actions, customer complaints, supplier approval, and service-capability assessment. However, the supplier has no overseas showroom, overseas agent or branch, or offline trade-show participation, and reports service coverage in zero countries.
R&D capabilityThe supplier reports one year of total R&D-engineer experience, no new product development in the past year, and no available SDK. It does offer ODM services, indicating some design-development support, but the evidence does not demonstrate strong ongoing innovation.
Customization capabilityThe supplier explicitly offers ODM services, OEM services for popular brands, and customization from samples and designs. These statements provide direct evidence of customization capability, although no project scale or technical details are supplied.
Product Q&A
Q:What is the minimum order quantity (MOQ)?
A:
1 Container.
Q:What are the payment terms?
A:
T/T, L/C, D/P, or other payment terms can be negotiated.
Q:Can I get samples?
A:
Yes, we can supply free samples; you only need to pay for the freight charge.
Q:What is the loading quantity for a 20GP container?
A:
Without pallets: 27mts for small/middle size, 25mts for big size. With pallets: 25mts for small/middle size, 23mts for big size.
Q:What are the available sizes for the product?
A:
Available sizes are 1-3mm, 2-4mm, and 4-7mm.
Send Inquiry
*To:Changsha Weichuang Chemical Co., Ltd.
Changsha Weichuang Chemical Co., Ltd.*Content:
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