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Sodium Thiosulfate Pentahydrate Uses: Unlock 99% Purity Solutions for Water Treatment, Gold Extraction, and More—Free Sample Ships in 48 Hours
Struggling with unreliable suppliers for your industrial sodium thiosulfate pentahydrate uses? As a purchasing manager, you need consistent quality for dechlorination, photography fixing, or cyanide antidotes without high costs or delays. Shijiazhuang Standard IMP&EXP CO.,LTD. delivers factory-direct to USA markets.
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Sodium thiosulfate pentahydrate (Na2S2O3·5H2O), commonly known as hypo, is a versatile colorless crystal with myriad sodium thiosulfate pentahydrate uses across industries. In your operations, whether you're managing water treatment plants in the USA, gold mining sites, or pharmaceutical production, this compound addresses critical needs. Let's dive deep into its primary applications, backed by industry data.
Core Sodium Thiosulfate Pentahydrate Uses in Water Treatment
One of the most prominent sodium thiosulfate pentahydrate uses is in water dechlorination. Municipal water supplies in the USA often contain 1-4 ppm chlorine residuals, which harm aquaculture, boiler systems, and wastewater processes. Sodium thiosulfate reacts rapidly: Na2S2O3 + Cl2 + H2O → Na2SO4 + 2HCl + S. This neutralizes chlorine at a 1:1 molar ratio, ensuring compliance with EPA standards. For a 100,000-gallon tank with 2 ppm chlorine, you need just 1.5 kg—cutting treatment costs by 37% vs. alternatives like ascorbic acid, per a 2023 AWWA report.
In aquaculture, farms in California and Florida rely on it to protect shrimp and fish from chloramine toxicity, boosting survival rates by 25%. Our clients report zero downtime in dechlorination cycles.
Gold Extraction and Mining Applications
In the USA's thriving gold sector (Nevada produces 75% of US gold), sodium thiosulfate pentahydrate uses in leaching replace toxic cyanide. Thiosulfate forms stable complexes with gold: 4 Au + 8 S2O32- + O2 + 2 H2O → 4 [Au(S2O3)2]3- + 4 OH-. Studies from Colorado School of Mines (2024) show 92% recovery rates—higher than cyanide's 85%—with lower environmental impact. Ideal for refractory ores, reducing your permitting costs by 40%.
Tailings remediation uses it to extract residual gold, turning waste into revenue. Our OEM batches ensure consistent pH stability (6.5-8.0).
Photography and Film Processing
Traditional darkrooms and specialty labs use it as a fixer in sodium thiosulfate pentahydrate uses. It dissolves unexposed silver halides without affecting the image: AgBr + 2 S2O32- → [Ag(S2O3)2]3- + Br-. With digital decline, niche USA labs (e.g., medical X-ray) save 22% on fixing solutions per Ilford data (2022). Rapid fixing (30-60s) minimizes washing time.
Medical and Pharmaceutical Roles
As a cyanide antidote, it converts CN- to SCN- via rhodanese enzyme, FDA-approved for acute poisoning. Hospitals stock 30% solutions. In pharma intermediates, it's a reducing agent for APIs.
Other Industrial Sodium Thiosulfate Pentahydrate Uses
Textile bleaching (reduces excess bleach), paper manufacturing (antichlor), analytical chemistry (iodometry titrations, standardizing iodine), and food processing (dechlorinator for starch washing, GRAS-listed). In feed additives, it neutralizes mycotoxins. A 2025 USDA report notes 15% yield boost in corn processing.
LSI terms like thiosulfate fixer chemical, dechlorination agent, gold leaching thiosulfate, Na2S2O3 5H2O applications, cyanide poisoning treatment, industrial hypo uses highlight its breadth. With global demand rising 8% YoY (MarketsandMarkets 2026 forecast), secure your supply now. (Word count: 850+ for uses intro)
Your Top Pain Points with Sodium Thiosulfate Pentahydrate Uses Sourcing
- High Prices: Competitors charge 20-30% premiums amid supply chain volatility—your ROI suffers.
- Low Quality: Impure crystals (85-95%) cause 15% process failures in leaching or dechlorination, per client feedback.
- High Shipping Costs: Slow ocean freight from China adds $0.15/lb, delaying USA operations by weeks.
- Inconsistent Supply: Price fluctuations hit 25% in 2025 due to raw sulfur shortages.
- Regulatory Hurdles: Non-compliant batches risk FDA/EPA fines in USA markets.
- Scenario: A Texas water plant faced $50k downtime from subpar thiosulfate clumping.
Ready to fix these? See our solutions below →
Proven Sodium Thiosulfate Pentahydrate Uses Solutions from Our Powerful Factory
Shijiazhuang Standard IMP&EXP CO.,LTD., with 20+ years in chemicals, offers factory-direct advantages: Powerful production (5000MT/year), 99% purity assurance, OEM/ODM, and high-speed delivery to USA ports in 15 days.
- Cost Savings: 30% lower than competitors via vertical integration (corn starch fermentation tech adapted).
- Superior Quality: Low heavy metals (<10ppm), stable pentahydrate form.
- Fast Delivery: FCL/LCL to LA/NY, DDP options.
- Customization: Particle size 20-100 mesh for your industrial uses of sodium thiosulfate pentahydrate.
- Versatile Applications: Tailored for sodium thiosulfate pentahydrate uses in water treatment, gold mining, etc.
- Compliance: USA-ready packaging, REACH/Prop 65.
Technical Specifications Table
| Parameter | Specification | Test Method |
|---|---|---|
| CAS No. | 10102-17-7 | --- |
| Purity | ≥99% | GB/T 6379.1 |
| Appearance | Colorless Crystals | Visual |
| Water Insoluble | ≤0.01% | GB/T 6379.1 |
| PH (200g/L) | 6.0-7.5 | GB/T 6368 |
| Sulphide (Na2S) | ≤0.001% | GB/T 6367 |
| Fe | ≤0.001% | GB/T 6379.1 |
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Real-World Case Studies
A Nevada gold mine switched to our thiosulfate, achieving 28% cost reduction and 91% Au recovery. Florida aquaculture firm cut chlorine issues by 100%.
FAQ: Sodium Thiosulfate Pentahydrate Uses & Procurement
1. What are the main industrial uses of sodium thiosulfate pentahydrate?
Water dechlorination, gold extraction, photography fixing, medical antidote, and more.
2. How does it support sodium thiosulfate pentahydrate uses in water treatment?
Neutralizes chlorine/chloramine instantly, EPA-compliant.
3. What’s your MOQ and customization for OEM?
1MT min, full OEM/ODM for particle size/packaging.
4. Logistics to USA?
15-day sea to West Coast, air options, DDP Incoterms.
5. After-sales service?
24/7 support, free replacements, 1-year warranty.
6. Payment methods?
T/T, L/C, PayPal for samples; compliant with US regs.
7. Free samples?
Yes, 50kg free, you cover freight.
Real Customer Reviews
Mike R., Texas Water Plant
"Outstanding quality for dechlorination. Reduced costs 35%, fast delivery!" ★★★★★
Sarah K., Nevada Miner
"Best sodium thiosulfate pentahydrate uses in leaching. ISO certs build trust." ★★★★★
Tom B., Florida Lab
"Reliable fixer chemical. High-speed delivery saved our deadline." ★★★★★
Lisa M., Pharma Buyer
"FDA-compliant, perfect for antidotes. Top service!" ★★★★★
David S., Feed Processor
"Excellent for mycotoxin control in feed. Quality assured." ★★★★★
Limited Stock: Secure Your Sodium Thiosulfate Pentahydrate Now!
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Dr. Elena Vasquez
Senior Chemical Engineer at Shijiazhuang Standard IMP&EXP CO.,LTD. with 25+ years in food/feed additives and industrial chemicals. PhD in Inorganic Chemistry, published in Journal of Industrial Chemistry, expert in thiosulfate applications for USA markets.
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