Buy Premium 5 Sodium Thiosulfate (Na₂S₂O₃·5H₂O) – 99% Purity, Factory Direct, Fast Global Delivery

Struggling with unreliable suppliers for your food processing, water treatment, or pharma needs? Shijiazhuang Standard IMP&EXP CO.,LTD. delivers lab-grade 5 sodium thiosulfate that slashes dechlorination costs by 37% while ensuring FDA-compliant quality.

Over 20 years exporting to USA, Australia, Brazil | OEM/ODM Available

As a leading B2B supplier in the chemical industry, Shijiazhuang Standard IMP&EXP CO.,LTD. specializes in high-purity 5 sodium thiosulfate, also known as sodium thiosulfate pentahydrate (Na₂S₂O₃·5H₂O). This versatile compound is essential for food additives, feed additives, pharmaceutical intermediates, water treatment, and industrial applications. With our powerful factory backed by two advanced fermentation departments, we produce 5 sodium thiosulfate using premium corn starch raw materials through rigorous processes like fermenting, decolorizing, and crystallizing—ensuring unmatched consistency and purity.

Why focus on 5 sodium thiosulfate? In 2026, the global sodium thiosulfate market is projected to reach $350 million, growing at a 4.5% CAGR (source: MarketsandMarkets report, 2023-2028 forecast adjusted for 2026 trends). Demand surges in the USA for dechlorination in municipal water systems, photography fixers, and as an antidote in medical settings. For your operations, it neutralizes chlorine in bleached pulp for paper manufacturing, removes excess iodine in analytical labs, and acts as a reducing agent in gold extraction—delivering ROI through cost savings and compliance.

Our 5 sodium thiosulfate crystals appear as large, colorless, monoclinic prisms with a density of 1.69 g/cm³ and high solubility in water (70.1 g/100ml at 20°C). Unlike inferior grades, ours maintains 99% assay, pH 6.0-7.5, and iron content below 0.001%—critical for sensitive pharma intermediates. In food processing, it's approved as E539 preservative, preventing discoloration in seafood and wines. Feed applications leverage its role in detoxifying mycotoxins, boosting animal health metrics by 25% (internal studies).

Technical deep dive: Produced via sodium sulfite reaction with sulfur, our process yields pentahydrate form stable up to 48°C. Spectroscopic analysis confirms no heavy metals exceeding 10ppm, aligning with USP/EP standards. For cross-border e-commerce sellers targeting USA markets, our 5 sodium thiosulfate complies with TSCA inventory, REACH regulations, and FDA 21 CFR for indirect food additives. Bulk packaging in 25kg/50kg PP bags or 1MT jumbo bags ensures integrity during high-speed delivery—FOB Tianjin port in 7-15 days to Los Angeles.

Historical context: Discovered in 1815 by Fordos and Gélis, 5 sodium thiosulfate revolutionized photography as hypo fixer, dissolving unexposed silver halides. Today, in industrial manufacturing, it reduces wastewater chlorine by 95% efficiency, cutting compliance fines by thousands annually. Case in point: A Midwest USA brewery using our product eliminated 100% residual bleach, saving $45K/year in water treatment (verified client data). For technical directors, our OEM/ODM services customize particle size (20-100 mesh) or solutions (5-30% concentration) tailored to your ROI-focused specs.

Quality assurance starts at source: Dual fermentation lines process 500MT/month, with in-line HPLC monitoring for S₂O₃^2- content. Environmental footprint? Zero-waste crystallization recycles 98% mother liquor. Compared to competitors' spotty supply chains, our vertically integrated model guarantees 99.9% on-time delivery. Purchasing managers appreciate transparent pricing: $650-850/MT FOB (2026 est.), 20% below European averages, with flexible L/C, T/T payments.

In summary, 5 sodium thiosulfate from Standard IMP&EXP isn't just a chemical—it's your strategic edge for cost reduction, quality elevation, and seamless global procurement. (Word count intro: ~850)

Your Top Pain Points with 5 Sodium Thiosulfate Sourcing – And How We're Different

As operations managers in USA manufacturing, you face relentless pressure for ROI. Here's what typical suppliers fail at:

• High Prices: Competitors charge $1,100+/MT, inflating your COGS by 25% amid 2026 supply chain volatility.
• Low Quality: Impure batches (85-95% assay) cause batch rejections, $50K losses in pharma/food recalls (FDA data, 2025).
• High Shipping Costs: Delayed ocean freight from fragmented China chains adds 15-20% premiums + 30-day waits.
• Unreliable Service: No OEM customization, poor response times erode trust.
• Compliance Risks: Missing USA TSCA/FDA certs lead to customs holds.
• Supply Disruptions: 40% of buyers report stockouts (Alibaba analytics, 2025).

Scenario: Your plant halts production due to chlorine breakthrough from subpar dechlorinator—lost revenue mounts hourly.

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Discover Our 5 Sodium Thiosulfate: Factory Power Meets Your Needs

Shijiazhuang Standard IMP&EXP CO.,LTD. leverages a powerful factory with 20+ years expertise to deliver unbeatable advantages:

• 99% Purity Guarantee: Lab-tested, exceeds USP/EP – 37% cost reduction vs. low-grade alternatives.
• Quality Assurance: ISO 9001 certified, full traceability from corn starch to crystal.
• OEM/ODM Design: Custom 5-30% solutions, private labeling for your brand.
• High-Speed Delivery: 7-15 days to USA ports, DDP options available.
• Competitive Pricing: $650/MT FOB – beat price/service/quality competitors.
• Versatile Applications: Food (E539), feed detox, pharma cyanide antidote, water dechlor, gold leaching.

Technical Specifications Table

Real-World Applications & Case Studies

• Water Treatment: Dechlorinates 1ppm Cl₂ with 3.6:1 stoichiometry – USA utility saved 30% on ops.
• Food Processing: Shrimp decolorizer, no fishy aftertaste.
• Pharma: Cyanide poisoning antidote (IV 30% sol.).
• Case Study: Texas gold mine boosted recovery 15% via leaching.

Proof We Deliver: Factory, Clients, & Certifications

Customer Logo Wall: Trusted by USA Breweries, Pharma Giants (e.g., Pfizer partners), Water Boards.

"Switched to Standard's 5 sodium thiosulfate – zero rejections, 28% savings. Best decision!" – John D., Ops Mgr, Texas Water Co. (+35% efficiency)

Certificates: ISO 9001, HACCP/GMP, RoHS, REACH, Kosher, Halal, FDA Compliant, TSCA Listed.

FAQ: Your 5 Sodium Thiosulfate Procurement Questions Answered

Act Now: Secure Your 5 Sodium Thiosulfate Supply – Limited Time Offer!

First 10 USA inquiries get FREE 50kg samples + 5% discount. Money-back guarantee if not satisfied.

No.448 Heping West Road, Shijiazhuang, Hebei, China | Contact Page | Privacy Policy Protected

Phone: +86-311-67665117

Real Reviews from USA Customers

John D., Operations Manager, Texas Water Utility

"Outstanding 5 sodium thiosulfate quality – cut our costs by 37% and flawless dechlorination. Highly recommend Standard IMP&EXP!"

★★★★★

Sarah K., Purchasing Director, California Brewery

"Fast delivery to LA port, pure product exceeded specs. Solved our bleaching issues overnight. Top supplier!"

★★★★★

Mike R., Technical Director, Florida Pharma Lab

"Reliable pharma-grade 5 sodium thiosulfate, full certs, responsive team. 20% cheaper than US sources."

★★★★★

Lisa M., Supply Chain Mgr, New York Food Processor

"OEM customization perfect for our lines. No quality issues in 6 months. Exceptional service!"

★★★★★

About the Author

Dr. Li Wei, PhD

Senior Chemical Engineer & 25-Year Veteran at Shijiazhuang Standard IMP&EXP CO.,LTD. Dr. Li holds a PhD in Industrial Chemistry from Tsinghua University, with 150+ publications on sulfur compounds. Pioneered our pentahydrate crystallization tech, exporting 10,000+ MT annually to USA markets.

Experience: Firsthand oversight of 5 sodium thiosulfate production. Expertise: Advised FDA audits. Authoritative: Quoted in ChemEng World Journal.