The Global Sodium Thiosulphate Pentahydrate Market was valued at USD 213 million in 2025 and is projected to reach USD 309 million by 2034, exhibiting a Compound Annual Growth Rate (CAGR) of 4.8% during the forecast period (2026–2034). The market growth is driven by increasing demand from various end‑use industries such as photography, electroplating, and water treatment. The market has shown steady growth historically, with significant contributions from the Asia‑Pacific region, particularly China and India, due to rapid industrialization and urbanization.
Global Sodium Thiosulphate Pentahydrate Market – View in Detailed Research Report
Sodium thiosulphate pentahydrate (Na2S2O3·5H2O) is a white crystalline compound widely used as a reducing agent, dechlorination agent, and photographic fixer. It is highly soluble in water and has applications in industries such as photography, electroplating, leather processing, and water treatment. The compound is known for its ability to neutralize chlorine, making it essential in wastewater treatment and swimming pool maintenance. Its role in photographic fixing solutions, where it removes unexposed silver halides from photographic films and papers, remains a significant application.
Top 10 Companies in the Global Sodium Thiosulphate Pentahydrate Market (2026)
🔟 10. TIB Chemicals
Headquarters: Shanghai, China
Key Offering: Sodium thiosulphate pentahydrate (≥99% purity)
TIB Chemicals has built a reputation for delivering high‑purity reagents to the water treatment and electroplating sectors. Its production facilities leverage advanced crystallisation techniques that minimise waste and reduce energy consumption.
Sustainability Initiatives:
- Implementation of closed‑loop water recycling within manufacturing plants
- Investment in renewable energy sources to power production lines
- Partnerships with municipal authorities to supply dechlorination chemicals for public water systems
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9️⃣ 9. Shakti Chemical
Headquarters: Mumbai, India
Key Offering: Sodium thiosulphate pentahydrate (≤99% purity) for textile and leather processing
Shakti Chemical serves a broad portfolio of textile mills and leather tanneries, providing a cost‑effective dechlorination solution that meets stringent environmental standards.
Growth Initiatives:
- Expansion of production capacity in Tier‑2 cities to capture emerging markets
- Development of a proprietary low‑solids formulation for high‑volume textile use
- Collaboration with research institutes to optimise dyeing processes
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8️⃣ 8. RICCA Chemical
Headquarters: Guangzhou, China
Key Offering: Sodium thiosulphate pentahydrate for water treatment and electroplating
RICCA Chemical’s product line is tailored for municipal utilities and automotive manufacturers, offering a reliable dechlorination agent that aligns with evolving water quality mandates.
Innovation Focus:
- Integration of smart sensors to monitor chemical dosing in real time
- Participation in regional sustainability forums to influence policy
- R&D into biodegradable additives that enhance performance
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7️⃣ 7. Shanxi Linfen Dyeing Chemical (Group)
Headquarters: Shanxi, China
Key Offering: Sodium thiosulphate pentahydrate for dyeing and dechlorination
The group’s extensive distribution network supports textile mills across China, ensuring consistent supply during peak production cycles.
Strategic Moves:
- Expansion of logistics hubs in northern provinces
- Adoption of ISO 14001 environmental management systems
- Collaboration with local universities on green chemistry projects
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6️⃣ 6. Jiangsu Huada Chemical
Headquarters: Jiangsu, China
Key Offering: Sodium thiosulphate pentahydrate for automotive electroplating
Huada Chemical supplies automotive manufacturers with a high‑purity reagent that supports corrosion‑resistant plating processes.
Market Engagement:
- Participation in industry consortia to set electroplating standards
- Investment in automated dosing systems for large‑scale plants
- Collaboration with OEMs to reduce lead content in plating baths
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5️⃣ 5. Anhui Bayi Chemical Industry
Headquarters: Anhui, China
Key Offering: Sodium thiosulphate pentahydrate for mining and gold extraction
With a focus on the mining sector, Anhui Bayi provides a reagent that aids in gold recovery while maintaining environmental compliance.
Operational Highlights:
- Deployment of mobile production units for remote mining sites
- Implementation of waste‑water treatment protocols to minimise runoff
- Engagement with regulatory bodies to secure mining permits
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4️⃣ 4. Haimen Wuyang Chemical Industry
Headquarters: Jiangsu, China
Key Offering: Sodium thiosulphate pentahydrate for leather processing and water treatment
Wuyang Chemical supplies both leather tanneries and municipal water utilities, positioning itself as a versatile supplier in the chemical market.
Growth Levers:
- Expansion of high‑purity production lines to serve the automotive sector
- Adoption of digital inventory management for faster delivery
- Participation in eco‑innovation challenges to reduce carbon footprint
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3️⃣ 3. China National Chemical Corporation
Headquarters: Beijing, China
Key Offering: Bulk supply of sodium thiosulphate pentahydrate for industrial applications
CNPC’s extensive network enables rapid distribution across the country, supporting large‑scale industrial users such as steel and pulp mills.
Strategic Initiatives:
- Integration of blockchain for traceability of chemical batches
- Investment in green hydrogen to power production facilities
- Collaboration with international partners to export to ASEAN markets
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2️⃣ 2. Sinopec
Headquarters: Beijing, China
Key Offering: Sodium thiosulphate pentahydrate for petrochemical and refining processes
Sinopec’s diversified portfolio includes a range of chemical reagents, with sodium thiosulphate positioned as a key component in dechlorination for refinery effluents.
Innovation Path:
- Development of a zero‑emission production line for high‑purity chemicals
- Partnership with universities to explore catalytic dechlorination alternatives
- Implementation of AI‑driven quality control systems
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1️⃣ 1. Korea Chemical Group
Headquarters: Seoul, South Korea
Key Offering: Sodium thiosulphate pentahydrate for electronics manufacturing and water treatment
Korea Chemical Group supplies high‑purity reagents to semiconductor fabs and water treatment facilities across East Asia.
Future Focus:
- Launch of a dedicated line for ultra‑clean electronics processes
- Investment in renewable energy projects to offset production emissions
- Collaboration with global NGOs to promote sustainable water use
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🌍 Outlook: The Future of Global Sodium Thiosulphate Pentahydrate Market
The trajectory of the market reflects a broader shift toward cleaner water solutions and more efficient industrial processes. As municipalities tighten discharge limits and manufacturers seek greener supply chains, the demand for reliable dechlorination agents will intensify. The region that will shape the next decade is the Asia‑Pacific, where rapid urban growth and regulatory momentum converge to create a robust pipeline of new projects.
📈 Key Trends Shaping the Market
- Expansion of smart dosing systems that couple real‑time monitoring with automated delivery.
- Adoption of high‑purity formulations for advanced electronics and battery manufacturing.
- Integration of sodium thiosulphate into circular‑economy models for mining waste reuse.
- Growth of public‑private partnerships that fund water‑quality infrastructure in emerging economies.
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