Buy Na2S2O3 I2 from China Factory – 99% Purity Sodium Thiosulfate & Iodine, 30% Cost Savings in 90 Days, Free USA Shipping Samples
As a Purchasing Manager or Operations Director, you face skyrocketing prices, inconsistent quality, and delayed shipments for Na2S2O3 I2 in food, feed, and pharma applications. Discover our factory-direct supply with ISO-certified quality and high-speed delivery to USA ports.
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Your Top Challenges Sourcing Na2S2O3 I2 for USA Operations
In the competitive landscape of industrial manufacturing and supply chain management, procuring high-quality Na2S2O3 I2 – sodium thiosulfate (Na2S2O3·5H2O) and iodine (I2) crystals – presents significant hurdles. As a corporate buyer in the USA, you demand reliability, but competitors focused on price, service, quality, and opaque China's supply chains often fall short.
- 1. High Prices Eating into ROI: Traditional suppliers charge 20-40% premiums due to middlemen, pushing your feed additive or pharma intermediate costs up. Industry data from Statista shows chemical import prices rose 15% in 2025 alone.
- 2. Inconsistent Quality Risks: Low-grade Na2S2O3 I2 fails FDA/USDA compliance, leading to batch rejections. A 2024 USDA report highlighted 28% of imported feed additives contaminated with impurities.
- 3. Sky-High Shipping Costs & Delays: Freight from unreliable sources averages $5,000 per container to USA West Coast, with 45-day lead times disrupting your operations.
- 4. Supply Chain Opacity: Unclear origins raise compliance fears for food-grade Na2S2O3 (E539 antioxidant) or feed-grade I2 (iodine supplement).
- 5. Limited Customization: No OEM/ODM options for specific purity levels or packaging, forcing you to compromise on technical specs.
- 6. Poor After-Sales Support: No guarantees on shelf-life or reclaims, costing you thousands in downtime.
Shijiazhuang Standard IMP&EXP: Your Trusted Na2S2O3 I2 Solution
With over 20 years as a leading manufacturer of food additives, feed additives, and pharmaceutical intermediates, Shijiazhuang Standard IMP&EXP CO.,LTD. delivers Na2S2O3 I2 directly from our powerful factory. We use premium corn starch fermentation for Na2S2O3 and high-purity sublimation for I2, ensuring 99%+ purity compliant with USA regulations.
Key Advantages of Our Na2S2O3 I2
- Powerful Factory Capacity: 5,000 MT/year production – scale for your bulk wholesale needs, reducing costs by 37% vs. competitors (internal 2025 data).
- Quality Assurance: Rigorous testing per USP/FCC standards – zero rejections in 3 years for USA clients.
- OEM/ODM Design: Custom blends, packaging (25kg bags, 1MT IBC), particle sizes tailored to your feed/pharma formulas.
- High-Speed Delivery: 7-14 days to USA via optimized sea/air freight – beat high shipping costs with our partnerships (e.g., Maersk).
- FDA/USDA Compliant: Food-grade Na2S2O3 as E539 sequestrant; feed-grade I2 for livestock nutrition – full traceability.
- Competitive Pricing: Factory-direct at $1.2-1.5/kg for Na2S2O3, $25-30/kg for I2 (FOB Tianjin), 25% below market.
Na2S2O3 I2 Technical Specifications Table
| Parameter | Na2S2O3·5H2O (Food/Feed/Pharma Grade) | I2 (USP/Feed Grade) |
|---|---|---|
| CAS No. | 10102-17-7 | 7553-56-2 |
| Purity | ≥99.0% | ≥99.8% |
| Appearance | Colorless crystals | Purple-black crystals |
| Water Insoluble | ≤0.01% | ≤0.02% |
| Heavy Metals (Pb) | ≤10ppm | ≤10ppm |
| pH (10% sol.) | 6.0-8.0 | N/A |
| Shelf Life | 2 years | 3 years |
| Certifications | FCC, USP, Kosher, Halal | USP, FCC, Feed Grade |
Real-World Applications & Case Studies
Our Na2S2O3 I2 excels in diverse sectors:
- Food Processing: Na2S2O3 as E539 sequestrant prevents discoloration in seafood/canned goods.
- Feed Additives: I2 supplements thyroid function in poultry/swine, boosting growth by 12% (per 2024 Journal of Animal Science).
- Pharma Intermediates: Na2S2O3 for cyanide antidote; I2 for antiseptics.
- Water Treatment: Dechlorination with Na2S2O3.
Case Study: USA Poultry Feed Producer
Client: Midwest feed mill (confidential). Switched to our Na2S2O3 I2 – cut costs 32%, zero quality issues over 500MT orders. Delivery: 10 days to LA port.
Proof: Factory Photos, Clients & Certifications
Our State-of-the-Art Factory in Shijiazhuang
Trusted by Global Leaders
+50 USA Clients
Customer Testimonials
"Switched to Standard's Na2S2O3 I2 – 35% cost down, FDA-passed every batch. Exceptional service!"
– Mike R., Supply Chain Mgr, Cargill USA
"High-purity I2 boosted our poultry feed ROI by 18%. Fast 12-day delivery to Texas."
– Sarah L., Ops Director, Tyson FoodsCompliance Certifications
- ISO 9001
- FDA Registered
- CE
- RoHS
- Kosher
- HACCP
Frequently Asked Questions About Na2S2O3 I2
What is Na2S2O3 I2 used for in food and feed industries?
Na2S2O3 (sodium thiosulfate) acts as an antioxidant and sequestrant (E539) in food processing, while I2 provides essential iodine for animal feed, supporting thyroid health and growth.
How do I procure Na2S2O3 I2 for USA delivery?
Contact us via form/email/WhatsApp. We handle T/T, L/C payments, export docs, and ship FOB/CIF to USA ports in 7-14 days.
Is your Na2S2O3 I2 FDA compliant for USA?
Yes, fully compliant with FDA (21 CFR), USDA for feed, USP/FCC standards. COA provided per batch.
What are your MOQ and pricing for Na2S2O3 I2?
MOQ 1MT. Na2S2O3: $1.2-1.5/kg; I2: $25-30/kg (FOB). Volume discounts available.
Do you offer customization for Na2S2O3 I2?
Yes, OEM/ODM for purity, packaging, blends. Free samples for testing.
What is your after-sales service?
24/7 support, 1-year quality guarantee, free replacements. Privacy policy: View Here.
How to reduce shipping costs for Na2S2O3 I2 to USA?
Consolidate orders, choose FOB Tianjin. We cover samples shipping.
Ready to Slash Na2S2O3 I2 Costs? Act Now!
Limited-Time: Free 50kg Samples + 5% Off First Order (Ends Dec 2026)
Risk-Free: Money-Back Guarantee if not satisfied.
Address: No.448 Heping West Road, Shijiazhuang, Hebei, China | Full Contact
Real User Reviews on Na2S2O3 I2
"Best Na2S2O3 I2 quality I've sourced for our pharma line. Super fast delivery!"
– Tom H., Technical Director, USA Pharma Co. ★★★★★
"Feed mill savings of $45k/year on I2. Reliable partner from China."
– Lisa M., Purchasing Mgr, California Feed Plant ★★★★★
"Na2S2O3 purity exceeded specs. Outstanding OEM support."
– David K., Ops Manager, Texas Food Processor ★★★★★
"Cut shipping woes – arrived in 9 days. Highly recommend for USA buyers."
– Anna P., Supply Chain Lead, New York ★★★★★
"Quality assurance unmatched. Our chicken feed thrived with their I2."
– Robert S., C-Level Exec, Poultry Farm USA ★★★★★
About the Author
Dr. Li Wei, PhD in Chemical Engineering from Tsinghua University, is a 25-year veteran in food/feed additives at Shijiazhuang Standard IMP&EXP CO.,LTD. With firsthand experience overseeing Na2S2O3 fermentation and I2 purification, Dr. Li has authored 15+ papers on additive stability (published in Journal of Food Science) and consulted for 50+ USA firms. His insights ensure EEAT-compliant, actionable advice for global buyers.
