Buy Sodium Thiosulfate 5H2O – Premium 99% Purity Pentahydrate from China's Top Factory

As a purchasing manager or operations director in the USA, you're battling high prices, inconsistent quality, and sky-high shipping costs for reliable Sodium Thiosulfate 5H2O. Our powerful factory delivers high-purity Na2S2O3·5H2O crystals with quality assurance, OEM/ODM options, and lightning-fast global shipping—cutting your costs by up to 37% while ensuring compliance for food, pharma, and water treatment applications.

In the fast-paced world of industrial manufacturing, water treatment, pharmaceuticals, and food processing across English-speaking regions like the USA, sourcing high-quality sodium thiosulfate 5H2O (Na2S2O3·5H2O) is a critical challenge. This versatile chemical compound, also known as sodium thiosulphate pentahydrate or hypo crystals, appears as large, colorless, translucent crystals or a crystalline powder with a cool, saline taste. Its chemical formula, CAS No. 10102-17-7, makes it indispensable for applications ranging from dechlorination in municipal water systems to acting as an antidote in cyanide poisoning treatments and a fixer in photographic processing.

But why is buying sodium thiosulfate 5H2O in bulk such a headache for corporate buyers? Traditional suppliers often deliver subpar purity levels—below 99%—leading to inefficiencies in your production lines. Impurities can cause unwanted side reactions in gold leaching processes for mining operations or compromise the safety of pharma intermediates. Moreover, with global supply chains disrupted, shipping costs from distant sources have surged by 25-40% in recent years, according to industry reports from the International Trade Centre (ITC). Add to that fluctuating prices driven by China's dominant supply chain (over 70% of global production), and you're looking at eroded ROI on every pallet.

At Shijiazhuang Standard IMP&EXP CO.,LTD., we've mastered the art of producing sodium thiosulfate pentahydrate for over 20 years. Our two advanced fermentation departments, utilizing high-quality corn starch, ensure consistent quality across food additives, feed additives, and pharmaceutical intermediates. We export to the USA, Brazil, Chile, New Zealand, Australia, and more, with a track record of zero quality rejections in the last five years. Our product's high purity (99% min), low heavy metals (<10ppm), and compliance with FDA, USP, and EP standards position us as your ideal partner for wholesale sodium thiosulfate 5H2O.

Delving deeper into its properties: Sodium thiosulfate 5H2O is highly soluble in water (up to 70.1g/100ml at 20°C), stable under normal conditions, and decomposes above 48°C. It's eco-friendly, biodegradable, and non-toxic when handled properly—perfect for sustainable operations. In water treatment, it neutralizes chlorine residuals efficiently, reducing total cost of ownership by 30% compared to alternatives like ascorbic acid. For pharma, its role in cyanide detoxification saves lives, with clinical data showing 85% efficacy rates (source: NIH studies).

Our manufacturing process starts with sodium sulfite and sulfur reactions under controlled conditions, followed by crystallization, washing, and drying. This yields crystals averaging 2-5mm in size, ideal for easy dissolution. Unlike competitors relying on spotty quality control, our ISO 9001-certified labs perform rigorous testing: pH 6.0-7.5, clarity pass, and iron content <2ppm. We've optimized logistics for USA deliveries—high-speed shipping via sea (15-20 days) or air (7-10 days)—slashing your drayage costs.

Consider the economic impact: A mid-sized USA water utility procuring 20 tons monthly could save $15,000 annually by switching to our sodium thiosulfate 5H2O supplier. In mining, our hypo supports efficient thiosulfate leaching, recovering 92% gold vs. 85% with cyanides (per SME Mining reports). For food processors, it's a stabilizer in starch syrups, preventing oxidation without flavor impact. Our OEM/ODM services allow custom packaging—25kg bags, 1-ton IBCs, or private labeling—to fit your supply chain seamlessly.

This comprehensive introduction underscores why buying sodium thiosulfate 5H2O from Standard IMP&EXP isn't just a purchase—it's a strategic move. With our powerful factory capacity (5000MT/year), rigorous quality assurance, and customer-centric approach, we're redefining reliability for global buyers. (Word count for introduction: ~850)

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Your Core Pain Points Sourcing Sodium Thiosulfate 5H2O

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Our Sodium Thiosulfate Pentahydrate Solution – USP Advantages

• Powerful Factory Capacity: 5000MT/year output ensures no shortages. State-of-the-art facilities in Shijiazhuang, China.
• Quality Assurance: 99.0% min purity, third-party tested (SGS). Compliant with FDA, EP, USP.
• OEM/ODM Design: Custom formulations, packaging (25kg PE bags, IBCs), private labels.
• High-Speed Delivery: 15-20 days to USA ports, DDP terms available. Reduce costs by 37%.
• Competitive Pricing: $450-550/MT FOB, volume discounts.
• Expert Support: 24/7 technical team for applications in water treatment, mining, pharma.

Technical Specifications Table

5 sodium thiosulfate sodium thiosulfate 5 water sodium thiosulfate

Real-World Applications & Case Studies

In USA water treatment plants, our sodium thiosulfate 5H2O dechlorinates effluents 2x faster than sulfites, per EPA guidelines. A California utility cut treatment costs by 28% after switching.

Mining case: Nevada gold mine used our hypo for thiosulfate leaching, boosting yield by 7% and reducing cyanide use by 90% (aligned with EPA's Clean Water Act).

Pharma: As a cyanide antidote, administered IV at 12.5g/m2—our purity ensures zero contaminants.

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Certifications & Compliance

• ISO 9001, FDA, USP/EP, RoHS, HACCP/GMP
• Heavy Metals Compliant, REACH Registered
• IPPC for Export, Kosher/Halal Optional

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Limited stock alert: First 10 USA orders get 5% off + free 200kg sample. 100% money-back guarantee. No risk!

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Real Customer Reviews

"Outstanding quality and service! Saved us 40% on shipping for our Texas plant."

Mike R., Supply Chain Manager, USA Water Utility ★★★★★

"Purity is top-notch for our mining ops. Fast delivery beat all competitors."

Anna K., Ops Director, Nevada Mining Co. ★★★★★

"OEM packaging perfect. Highly recommend for pharma-grade sodium thiosulfate 5H2O."

David S., Purchasing Lead, Illinois Pharma ★★★★★

"Reliable supplier—consistent batches, great pricing. Will reorder!"

Lisa M., Technical Director, Florida Food Processor ★★★★★

"Exceeded specs for water dechlorination. Excellent support team."

Tom B., Plant Manager, New York Treatment Facility ★★★★★

Dr. Li Wei, Senior Chemical Engineer & Director of Quality Assurance

With 25+ years in food/feed additives and pharma intermediates at Shijiazhuang Standard IMP&EXP CO.,LTD., Dr. Li oversees production of high-purity chemicals like sodium thiosulfate 5H2O. Featured in Chemical Engineering Journal and ITC reports, he ensures our products meet global EEAT standards for USA buyers.

Contact: No.448 Heping West Road, Shijiazhuang, Hebei, China | info@standard-chem.com | +86-311-67665117