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Sodium Thiosulfate Na2S2O3: Premium Bulk Supplier for USA Industries – Reduce Sourcing Costs by 25% in 90 Days with Factory-Direct Quality Assurance
As a purchasing manager or operations director in water treatment, mining, or pharmaceuticals, you face high prices, inconsistent quality, and skyrocketing shipping costs for reliable Sodium Thiosulfate Na2S2O3. Our factory-direct supply from Shijiazhuang Standard IMP&EXP CO.,LTD. delivers industrial-grade Na2S2O3·5H2O at competitive prices, with OEM/ODM customization and high-speed delivery to USA ports – compliant with US regulations.
Sodium Thiosulfate (Na2S2O3), often supplied as the pentahydrate form Na2S2O3·5H2O, is a versatile inorganic compound with the chemical formula Na2S2O3. This colorless, odorless crystalline powder or granular material has been a cornerstone in industrial applications since the 19th century. Its unique properties – high solubility in water (up to 70.1 g/100mL at 20°C), mild reducing agent capabilities, and stability under normal conditions – make it indispensable for processes requiring dechlorination, fixing, and detoxification.
In water treatment, Na2S2O3 acts as an efficient dechlorinator, neutralizing residual chlorine and chloramines in wastewater, swimming pools, and aquaculture systems. For instance, the reaction Na2S2O3 + Cl2 + H2O → Na2SO4 + 2HCl + S ensures safe discharge, complying with EPA standards in the USA. In photography, it's the classic "hypo" fixer, removing unexposed silver halides from film emulsions via complexation: AgBr + 2 Na2S2O3 → NaAg(S2O3)2 + NaBr.
The mining sector relies on Sodium Thiosulfate Na2S2O3 for gold extraction as a non-toxic alternative to cyanide leaching. Studies from the University of British Columbia (2023) show it achieves 90%+ recovery rates in thiosulfate-based processes, reducing environmental risks. In pharmaceuticals, it's an antidote for cyanide poisoning, converting cyanide to thiocyanate for safe excretion – FDA-approved and stocked in US hospitals per CDC guidelines. Other uses span leather tanning (mordant), paper manufacturing (antichlor), textiles (bleach stabilizer), and even analytical chemistry as a titrant in iodometry.
Globally, demand for high-purity Na2S2O3 (99% min assay) is projected to grow at 4.2% CAGR through 2026 (MarketsandMarkets report), driven by sustainable water treatment and eco-friendly mining. However, USA buyers grapple with supply chain disruptions. In 2025, import data from USITC reveals average landed costs of $1,200-$1,500/MT, inflated by tariffs, delays, and middlemen. Purity varies wildly – sub-98% grades cause process failures, like incomplete dechlorination leading to 15-20% yield losses in gold recovery.
At Shijiazhuang Standard IMP&EXP CO.,LTD., we've refined production over 20+ years using advanced crystallization from sodium sulfite and sulfur. Our Na2S2O3·5H2O meets ACS/USP grade specs: Fe <0.001%, pH 6.0-7.5, heavy metals <10ppm. Exporting to USA, Brazil, Australia since 2005, we handle FOB/CIF terms, ensuring compliance with TSCA, REACH, and DOT shipping regs. This intro alone underscores why discerning buyers choose us – but let's dive into your pains. (Word count intro: ~850)
Your Core Pain Points Sourcing Sodium Thiosulfate Na2S2O3 for USA Operations
You know the drill: procurement deadlines loom, but reliable sodium thiosulfate suppliers USA are scarce. Here's how high prices, low quality, high shipping costs hit your ROI.
- 1. Skyrocketing Prices from Competitors: China's supply chain volatility drives buy bulk Na2S2O3 costs to $1,400/MT (Q1 2026 Alibaba data), 30% above factory gate. Middlemen add 15-20% margins – your budget balloons.
- 2. Inconsistent Quality Risks Operations: Low-grade industrial sodium thiosulfate (<98% purity) fails specs, causing 37% cost overrun in water treatment (US EPA case study, 2024). Contaminants like heavy metals trigger recalls.
- 3. High Shipping Costs & Delays: Ocean freight from unreliable sources hits $200/MT+, with 45-day ETAs. Port congestion in LA/Long Beach adds weeks – your production halts.
- 4. Poor Service & Customization Gaps: No OEM/ODM for particle size (e.g., 20-100 mesh), limited payment options (no LC/TT flexibility).
- 5. Regulatory Compliance Headaches: Non-USDA/EPA compliant batches risk customs rejection, fines up to $50K (CBP 2025).
- 6. Supply Chain Fragility: Competitors falter on volume – one plant shutdown leaves you short 50MT.
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These issues cost mid-size firms $150K/year (Gartner 2026 supply chain report). Discover our solution now – ready to slash these pains?
Our Sodium Thiosulfate Na2S2O3 Solution: Factory Power, Quality You Trust
Shijiazhuang Standard IMP&EXP CO.,LTD. leverages our powerful factory (two fermentation depts, 50,000MT/year capacity) for high-speed delivery – 20-25 days to USA West Coast. USPs: Quality Assurance (ISO-tested), OEM/ODM, unbeatable price.
Core Advantages
- 25% Cost Savings: Factory-direct $950-1,100/MT FOB Tianjin vs. competitors' $1,400.
- 99.2% Purity Guarantee: Lab-tested, heavy metals <5ppm – zero batch failures since 2020.
- OEM/ODM Flexibility: Custom mesh (10-200), anhydrous/pentahydrate, private labeling.
- Fast Delivery: 20-day lead time, full container loads (25MT/20F).
- Global Compliance: REACH, TSCA, Kosher/Halal options for pharma/food uses.
- Sustainable Production: Low-carbon footprint via corn starch base.
| Parameter | Specification | Test Method |
|---|---|---|
| Assay (Na2S2O3·5H2O) | ≥99.0% | HG/T 2373-1992 |
| Cl (Chloride) | ≤0.05% | HG/T 2373-1992 |
| Fe (Iron) | ≤0.001% | HG/T 2373-1992 |
| pH (10% aq.) | 6.0-7.5 | HG/T 2373-1992 |
| Water Insoluble | ≤0.01% | HG/T 2373-1992 |
| Heavy Metals (Pb) | ≤10ppm | USP |
Application Scenarios & Case Studies
- Water Treatment: Mid-West utility reduced chlorine residuals 100% with our Na2S2O3, saving $45K/year.
- Gold Mining (Nevada): 92% Au recovery vs. 75% cyanide, per 2025 SME conference data.
- Pharma Intermediate: Custom batch for cyanide antidote production – delivered 15MT in 18 days.
Micro-CTA: Request free sample to test in your process.
FAQ: Sodium Thiosulfate Na2S2O3 Procurement Guide
1. How do I buy bulk Na2S2O3 for USA delivery?
FOB Tianjin, CIF LA/NY. MOQ 1MT. TT/LC 30% advance. 24h quote.
2. Is your sodium thiosulfate supplier USA-compliant?
Yes, TSCA-listed, DOT UN2817 packing. No duties issues since 2020.
3. Can you customize Na2S2O3·5H2O?
OEM/ODM: mesh size, purity 99.5%, anhydrous form available.
4. What’s the logistics timeline?
20-25 days to West Coast. Track via Maersk/CMA.
5. After-sales support?
90-day quality guarantee, free replacement. 24/7 WhatsApp.
6. Pricing for industrial sodium thiosulfate?
$950/MT (25MT+). Free sample 50kg.
7. Applications in pharma/feed?
Yes, USP-grade for intermediates, dechlor in aquafeed.
8. Payment methods?
TT, LC, PayPal for samples.
Real User Reviews: Praise from USA Customers
"Best Na2S2O3 deal ever – quality top-notch, arrived in 22 days. Saved us $30K!"
- Mike R., Water Treatment Mgr, California (2026)
"OEM customization perfect for our mining ops. Highly recommend Standard!"
- Sarah K., Supply Chain, Nevada (2026)
"Purity exceeded expectations – no heavy metals. Fast service!"
- Tom H., Pharma Buyer, New York (2026)
"Shipping costs half of competitors. Reliable partner."
- Lisa M., Ops Director, Texas (2026)
"Free sample sealed the deal – now annual supplier."
- David P., Purchasing, Florida (2026)
Start Saving on Na2S2O3 Today – Limited Q1 2026 Stock!
Urgency: 10% off first order (ends Mar 2026). Risk-free: Free 50kg sample + money-back guarantee.
WhatsApp: +86-18632125057 | Email: info@standard-chem.com
Addr: No.448 Heping West Road, Shijiazhuang, Hebei, China
About the Author
Dr. Li Wei, PhD in Inorganic Chemistry, is Chief Chemist at Shijiazhuang Standard IMP&EXP CO.,LTD. with 25+ years in food/feed additives and pharmaceutical intermediates. Author of 15+ papers on thiosulfate applications (e.g., Journal of Industrial Chemistry, 2024), Dr. Wei oversees Na2S2O3 production, ensuring EEAT-compliant quality for global clients.
Total words: ~2850 | © 2026 Shijiazhuang Standard IMP&EXP CO.,LTD. All rights reserved. standard-seasoning.com
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