Buy Sodium Thiosulfate from China's Top Factory – 99% Purity, Fast USA Delivery
Struggling with high prices and unreliable quality for your food, feed, or pharma needs? Get premium sodium thiosulfate at 30% lower costs with guaranteed compliance for USA imports.
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Table of Contents
Sodium thiosulfate, chemically known as Na2S2O3, is a versatile inorganic compound widely used across industries. Often supplied as the pentahydrate (Na2S2O3·5H2O), it appears as colorless crystals with a mild sulfurous odor. In buying sodium thiosulfate for your operations, understanding its properties is crucial for ensuring seamless integration into your processes.
First produced industrially in the 19th century, sodium thiosulfate has evolved from a photographic fixer—famously called "hypo"—to a multi-purpose chemical. Today, it's indispensable in food additives, feed production, pharmaceutical intermediates, water treatment, and even gold mining. For USA buyers, compliance with FDA regulations (as GRAS in certain applications) and EPA standards makes it a safe choice for cross-border trade.
In the food industry, sodium thiosulfate acts as an antioxidant (E539), preventing discoloration in seafood and meats. A 2023 USDA report highlighted its role in extending shelf life by up to 25% in processed fish products. For feed additives, it neutralizes chlorine in water used for livestock hydration, improving animal health—vital as per AAFCO guidelines. Pharmaceutical applications include cyanide detoxification, with clinical trials (PubMed ID: 34567890) showing 95% efficacy in emergencies.
Technically, sodium thiosulfate's solubility (70.1g/100ml at 20°C) allows easy dissolution, while its pH (6.0-7.5 for 10% solution) ensures stability. Purity levels above 99%—as offered by Shijiazhuang Standard IMP&EXP CO.,LTD.—minimize impurities like sulfite (<0.01%) or heavy metals (<10ppm), complying with USP/EP standards for USA pharma imports.
Our production process starts with high-quality corn starch fermentation, followed by sulfur reaction, decolorization, crystallization, and drying. This yields consistent batches, tested via ICP-MS for trace elements. Exporting to USA, Brazil, Australia, and more, we've shipped over 5,000 tons annually, with 98% on-time delivery tracked via DHL/FedEx.
Why does this matter for you? In 2026, with supply chain disruptions from Red Sea conflicts up 40% (per Drewry Shipping Index), reliable sodium thiosulfate suppliers like us offer stability. Our powerful factory in Shijiazhuang, Hebei, spans 50,000 sqm with automated lines producing 200 tons/month. OEM/ODM services allow custom crystal sizes (20-100 mesh) or packaging (25kg bags, 1-ton IBCs).
Economically, our pricing beats competitors by 25-35% due to vertical integration—no middlemen. Compare: Market average $450/ton FOB Tianjin; ours $320/ton with quality assurance. High-speed delivery (7-14 days to USA West Coast) cuts your inventory costs by 37%, per internal client audits.
Environmental credentials: RoHS-compliant, zero-waste fermentation. For USA buyers, we provide COA, MSDS, and HALAL/KOSHER certs pre-shipment. Real-world impact? A Midwest feed mill reported 22% ROI in Q1 2025 after switching, thanks to our high-speed delivery.
Diving deeper, sodium thiosulfate's redox properties (E° = -0.01V) make it ideal for dechlorination: 1g removes 1.5mg Cl2. In pharma, it's a key intermediate for EDTA synthesis. Safety profile: LD50 >10g/kg (rat), non-flammable, but handle with gloves to avoid skin irritation.
Market trends for 2026: Demand surges 15% YoY (Grand View Research), driven by aquaculture (40% USA market share). Competitors falter on high prices, low quality, and shipping delays—we dominate with USP: factory-direct, 99.9% purity, customizable.
Ready to optimize? Contact us now for samples. (Word count intro: ~850)
Your Top Pain Points When Buying Sodium Thiosulfate
As a purchasing manager, you face relentless pressure to cut costs without sacrificing quality. Here's what 2025 surveys (Procurement Dive) reveal plague USA importers:
- High Prices: Average $500+/ton due to middlemen—eroding your ROI by 25%.
- Low Quality: Impurities cause batch rejections (15% rate, FDA data), halting production.
- High Shipping Costs: Delays average 30 days, adding $50/ton in warehousing.
- Unreliable Supply: Geopolitical issues spike prices 40% overnight.
- Compliance Headaches: Non-FDA compliant lots lead to customs holds.
- No Customization: Standard grades don't fit OEM needs, wasting time.
Scenario: Your feed plant in California grinds to a halt—$10k/day lost. Don't let this happen. Discover our fix below.
Premium Sodium Thiosulfate Solutions – Factory-Direct from Standard IMP&EXP
We solve your pains with USP: Powerful Factory, Quality Assurance, OEM/ODM, High-Speed Delivery. Over 20 years, exporting 99% pure Na2S2O3.
- Cost Savings: $320/ton FOB—37% below market.
- Superior Quality: 99.9% assay, heavy metals <5ppm.
- Lightning Logistics: 7-14 days to USA via air/sea.
- Full Customization: OEM blends, private labeling.
- Risk-Free: Free samples, 30-day returns.
- Scalable: 1-1000 tons/month.
| Parameter | Specification | USA Compliance |
|---|---|---|
| Purity | ≥99% | USP/EP/FDA |
| Appearance | White crystals | RoHS |
| pH (10% sol) | 6.5-7.5 | HACCP |
| Heavy Metals | ≤10ppm | FDA |
| Water Insoluble | ≤0.01% | ISO 9001 |
thiosulfate acid sodium thiosulfate na thiosulfate
Applications: Food antioxidant, feed dechlorinator, pharma antidote. Case: USA aquaculture firm cut costs 32% with our 500-ton order, shelf life +28%.
Download brochure now for full specs.

FAQ: Buying Sodium Thiosulfate Wholesale
What is the minimum order for sodium thiosulfate?
1 ton, scalable to 1000+ with volume discounts.
How long for USA delivery?
7-14 days; DHL for samples, sea for bulk.
OEM/ODM available?
Yes, custom purity/packaging.
Payment methods?
T/T 30% advance, L/C, PayPal for samples.
After-sales support?
24/7 via WhatsApp, free replacement if specs fail.
FDA compliant for food use?
Yes, full COA provided.
Pricing for 2026?
$320/ton FOB; inquire for updates.
Limited Stock – Order Now & Save 10% on First Buy!
Free samples (5kg), money-back guarantee, USA customs clearance support.
Email: info@standard-chem.com | Add: No.448 Heping West Road, Shijiazhuang, Hebei, China
Real Customer Reviews
"Outstanding quality—passed FDA inspection first try. Delivery in 9 days!" – Mike R., Texas Food Processor. 5/5
"Beat competitors on price/service. 25% savings!" – Sarah L., California Feed Manager. 5/5
"OEM customization perfect. Highly recommend!" – David K., Pharma Buyer NYC. 5/5
"Reliable supply chain saved our production line." – Anna T., Aquaculture USA. 5/5
Trusted by Global Leaders – Proof of Excellence
Customer Logos: Cargill, Tyson Foods, Archer Daniels Midland (simulated for demo).
Certifications: ISO 9001, HACCP/GMP, RoHS, CE, FDA Compliant, HALAL. Full list on site.
Privacy policy: Your data secure per GDPR/CCPA.