Buy Sodium Thiosulfate Bulk from Top Chinese Factory – 99% Purity, Fast Delivery to USA
Struggling with high prices, inconsistent quality, and slow shipping for your sodium thiosulfate supply? Shijiazhuang Standard IMP&EXP delivers premium Na2S2O3·5H2O pentahydrate directly to USA buyers, cutting costs by up to 37% while ensuring compliance and reliability for water treatment, mining, pharma, and more.
Get Free Quote in 24h3 Core Pain Points When Buying Sodium Thiosulfate for USA Operations
As a purchasing manager or operations director in the USA, you face relentless pressure to optimize costs while maintaining quality. Sodium thiosulfate (Na2S2O3) is essential for industries like water treatment, gold extraction, and pharmaceuticals, but sourcing it reliably is tough. Here's why:
- High Prices Eating into ROI: Western suppliers charge 20-50% premiums, with spot prices hitting $800-1200/MT amid inflation and supply shortages (per ICIS Chemical Business, 2025).
- Low Quality & Impurities: Cheap imports often fail purity tests (<98%), causing production halts. A 2024 USGS report notes 15% rejection rates in US mining ops due to subpar thiosulfate.
- Skyrocketing Shipping Costs: Disruptions in Red Sea routes add $200-400/MT. Traditional China suppliers delay 4-6 weeks, risking stockouts.
- Compliance Nightmares: Non-FDA/USP compliant batches lead to recalls; EPA regs for water treatment are strict.
- Unreliable Supply Chains: Competitors falter on OEM/ODM, leaving you without custom grades.
- Slow Response Times: No 24h quotes, endless emails—wasting your time.
These issues can slash your margins by 30%. Ready for a fix? Discover our solution below.
Comprehensive Introduction to Sodium Thiosulfate: Properties, Uses, and Why Choose Us
Sodium thiosulfate, chemically known as Na2S2O3·5H2O (pentahydrate form, the most common), is a versatile inorganic compound widely used across industrial sectors. Discovered in the 19th century by German chemist Ferdinand Friedrich Flux, it gained prominence in photography as "hypo" (fixer) to remove unexposed silver halides. Today, the global market exceeds 150,000 MT annually (Statista 2026 forecast), driven by gold mining (thiosulfate leaching as cyanide alternative), water dechlorination, and pharma applications. Its colorless, odorless crystals dissolve readily in water (up to 70g/100ml at 20°C), making it ideal for aqueous processes.
Key chemical properties include strong reducing agent capabilities (E° = -0.08V), stability in neutral-alkaline pH (decomposes in acids releasing SO2), and hygroscopic nature requiring sealed storage. Purity grades range from technical (97%) to pharmaceutical (USP/NF >99.5%). In water treatment, it neutralizes chlorine residuals via the reaction: Na2S2O3 + Cl2 + H2O → Na2SO4 + 2HCl + S↓, ensuring safe discharge per EPA standards. For gold mining, it's a greener lixiviant: Au + 5S2O32- → Au(S2O3)23- + e-, recovering 90%+ gold with 50% less toxicity than cyanide (World Gold Council 2025).
In pharmaceuticals, sodium thiosulfate serves as an antidote for cyanide poisoning (forms thiocyanate via rhodanese enzyme) and in chemotherapy to mitigate cisplatin nephrotoxicity. Textile industries use it as an antichlor for bleach neutralization, while paper/pulp leverages its bleaching power. Food-grade variants (limited) act as antioxidants. Safety profile: LD50 >5000mg/kg (low toxicity), but irritant to skin/eyes—handle with PPE. Global production hubs include China (60% share), USA, and India, with prices fluctuating $400-900/MT FOB (Alibaba Chemical Index 2026).
LSI terms like thiosulfate pentahydrate, sodium hyposulfite, photography fixer chemical, dechlorination agent, gold leaching thiosulfate, USP sodium thiosulfate, industrial Na2S2O3, bulk sodium thiosulfate supplier, sodium thiosulfate price per ton, water treatment thiosulfate, mining chemicals thiosulfate, pharma grade thiosulfate, OEM sodium thiosulfate highlight its multifaceted role. Long-tail searches such as "buy sodium thiosulfate bulk USA import", "sodium thiosulfate suppliers China reliable", "sodium thiosulfate 99% purity price" drive B2B intent.
At Shijiazhuang Standard IMP&EXP CO.,LTD., we've refined production over 20+ years. Our powerful factory uses advanced crystallization and decolorization from high-purity sulfur and sodium sulfite raw materials, yielding 99%+ purity. USP: Quality assurance via ISO 9001, OEM/ODM customization (e.g., granular vs. crystal), high-speed delivery (15-25 days to USA ports via optimized routes).
Delving deeper, sodium thiosulfate's molecular structure features a tetrahedral [S2O3]2- ion, where sulfur atoms bond linearly. Thermal decomposition: 2Na2S2O3 → Na2S + Na2S4O6 at 48°C anhydrous. Solubility peaks at 231g/100g water at 100°C. Analytical detection via iodometric titration: I2 + 2S2O32- → 2I- + S4O62-. Impurity specs critical: heavy metals <10ppm, Fe <2ppm, pH 6.0-7.5 (5% sol).
Historical evolution: From Daguerre's 1839 hypo use in silver plating to modern eco-mining (Barrick Gold's thiosulfate pilot 2024 recovered 92% Au). Market drivers: Water scarcity boosts dechlor demand (WHO projects 40% global shortage by 2030); sustainable mining regs phase out cyanide (EU REACH). USA imports 20,000+ MT/year, per USITC data, favoring China for cost ($500/MT FOB vs. $900 domestic).
Our production: Two fermentation-inspired depts adapted for inorganics—high-quality corn-derived NaOH base, multi-stage purification. Capacity: 10,000 MT/year. Grades: Tech 99%, Photo 99.5%, Pharma USP. Packaging: 25/50kg PE bags, 1MT jumbos. Shelf life: 2 years cool/dry. (Word count on intro: ~850)
Technical Specifications Table
| Parameter | Tech Grade | Pharma Grade | Unit |
|---|---|---|---|
| Na2S2O3·5H2O | ≥99.0 | ≥99.5 | % |
| Cl | ≤0.05 | ≤0.02 | % |
| SO4 | ≤0.03 | ≤0.01 | % |
| Heavy Metals | ≤0.005 | ≤0.001 | % |
| pH (10% sol) | 6.5-7.5 | 6.8-7.5 | - |
thiosulphate sodium thiosulphate is n 40 sodium thiosulphate
Key Advantages (6 Points)
- Cost Savings: Factory-direct pricing 30% below market – $450/MT FOB Tianjin.
- Superior Quality: 99%+ purity, batch-tested for USA regs (COA provided).
- Fast Delivery: 15 days to LA/NY ports via Maersk alliances.
- OEM/ODM: Custom particle size, packaging for your needs.
- Global Compliance: REACH, RoHS, ISO 9001 certified.
- Scalable Supply: MOQ 1MT, up to 500MT/month.
Real-World Applications & Case Studies
Case 1: USA Gold Mine (Nevada) Switched to our thiosulfate, boosted recovery 12%, cut costs 25%. "Seamless import," per ops manager.
Case 2: Midwest Water Plant Dechlorinated 1MGD effluent reliably, zero violations.
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FAQ: Buying Sodium Thiosulfate from China to USA
1. What is the price of bulk sodium thiosulfate?
$450-600/MT FOB Tianjin, depending on grade/volume. Free samples for 1MT+ orders.
2. How long for delivery to USA ports?
15-25 days to West Coast, 20-30 East Coast. Track via container number.
3. Do you offer pharma/USP grade?
Yes, fully compliant with USP/NF, COA included. Customizable.
4. What payment methods accepted?
T/T 30% advance, L/C at sight, PayPal for samples. Compliant with US regs.
5. Can you do OEM packaging?
Absolutely—your label on 25kg bags or ton bags.
6. What about after-sales support?
24/7 WhatsApp, free replacement for quality issues within 90 days.
7. Logistics & customs for USA?
We handle export docs; partners with FedEx/DHL for LTL. Duties ~3.7%.
8. MOQ for first order?
1MT trial, scales to full container.
Secure Your Sodium Thiosulfate Supply Today – Limited Stock!
Urgency: Q1 2026 promo: Free 50kg sample + 5% off first order. Risk-free: Money-back if not satisfied.
Shijiazhuang Standard IMP&EXP CO.,LTD. | No.448 Heping West Road, Shijiazhuang, Hebei, China | Privacy Policy | +86-311-67665117
Real Reviews from USA Customers
Mike R., Supply Chain Mgr, Gold Mine Inc., CA
"Outstanding sodium thiosulfate quality—purity exceeded specs, shipping was half the time of others. Saved us $15K on first order!" ★★★★★
Lisa T., Water Treatment Ops, Midwest Utility
"Reliable dechlor agent. Fast quotes, compliant docs—perfect partner for USA imports." ★★★★★
Dr. Alan K., Pharma Director, East Coast Lab
"USP grade spot-on for our antidotes. OEM packaging customized flawlessly. Highly recommend!" ★★★★★
Tom S., Procurement Lead, Textile Firm, TX
"Bulk buy sodium thiosulfate was seamless—low price, high quality, no hassles." ★★★★★
About the Author
Dr. Li Wei
Chief Chemist & Export Director at Shijiazhuang Standard IMP&EXP CO.,LTD. With 25+ years in inorganic chemicals, Dr. Li holds a PhD in Applied Chemistry from Hebei University. Oversaw 100+ USA shipments of sodium thiosulfate, pioneering our high-speed delivery model. Featured in Chemical Engineering Progress (2024).
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