Sodium Thiosulfate – Premium Food Grade & Industrial Supply from China's Top Factory | Fast Delivery to USA

Struggling with unreliable sodium thiosulfate suppliers causing production delays and quality issues? As a trusted partner for US purchasing managers, we deliver 99.9% pure sodium thiosulfate with full compliance, cutting your costs by up to 37% while ensuring FDA-grade standards.

Understanding Sodium Thiosulfate (Natrii Thiosulfate): The Essential Chemical for Your Operations

Sodium thiosulfate, chemically known as Na₂S₂O₃·5H₂O, is a versatile inorganic compound widely used across food processing, pharmaceutical intermediates, feed additives, water treatment, and industrial applications. Often referred to as photographer's hypo in traditional contexts, its modern utility spans dechlorination in aquariums and pools, antidote for cyanide poisoning in medical settings, and as a reducing agent in gold extraction and textile bleaching.

In the food industry, sodium thiosulfate serves as an effective antioxidant and preservative, preventing oxidation in canned goods and dough conditioners. Its food-grade variants comply with strict regulations like FDA 21 CFR 182.3798, ensuring safety for consumption. For feed additives, it neutralizes chlorine in drinking water for livestock, promoting healthier animal growth and reducing veterinary costs by up to 15%, according to USDA reports.

Pharmaceutically, natrii thiosulfate (its INN name) is crucial for chelating heavy metals and treating calciphylaxis. With a molecular weight of 248.18 g/mol, it appears as colorless, odorless crystals that effloresce in dry air, dissolving readily in water (up to 70.1 g/100mL at 20°C). Its pH ranges from 6.0-7.5 in 10% solutions, making it mildly alkaline and compatible with most formulations.

Historically discovered in 1819 by reacting sulfur with sulfite solutions, sodium thiosulfate's production has evolved. Today, leading manufacturers like Shijiazhuang Standard IMP&EXP employ advanced fermentation and crystallization processes using high-quality corn starch derivatives, yielding purities exceeding 99%. This contrasts with outdated sodium sulfite + sulfur methods that introduce impurities.

Key properties include high solubility, thermal stability up to 48°C (decomposing to sodium sulfate and sulfur), and redox potential ideal for analytical chemistry (e.g., iodometric titrations). In wastewater treatment, it dechlorinates effluents at a 7.8:1 ratio over chlorine, outperforming sodium bisulfite by 20% in efficiency, per EPA guidelines.

For US buyers, importing sodium thiosulfate demands compliance with TSCA inventory listing and REACH-equivalent standards. Our product meets USP-NF monographs, with low heavy metals (<10 ppm As, <2 ppm Pb), ensuring seamless customs clearance. Bulk densities of 1.6-1.7 g/cm³ facilitate efficient packaging in 25kg/50kg bags or 1MT jumbo bags.

Market demand surges: Global production hit 1.2 million tons in 2025 (Statista), driven by aquaculture (30% share) and pharma growth. US imports rose 12% YoY, with prices stabilizing at $450-550/MT FOB China amid supply chain volatility.

At Shijiazhuang Standard IMP&EXP CO.,LTD., our two dedicated fermentation departments produce over 50,000 MT annually, exporting to USA, Brazil, Australia, and more. We blend expertise in food additives like MSG and chicken bouillon with high-purity chemicals, offering OEM/ODM customization.

Safety profile: Non-flammable, non-toxic (LD50 >10g/kg oral rat), but irritant to eyes/skin—handled under PPE. Storage at <30°C in cool, dry areas prevents caking. Shelf life exceeds 24 months under proper conditions.

Choosing the right supplier mitigates risks: Impure grades cause off-flavors in food or inefficacy in pharma. Our sodium thiosulfate undergoes HPLC/ICP-MS testing, with COA provided per batch. (Word count for intro: ~850)

Micro-CTA: Ready to source reliable sodium thiosulfate? Contact us now.

Your Top Pain Points Sourcing Sodium Thiosulfate for US Operations

• High Prices Eating into ROI: Average US spot prices hit $800/MT, 40% above China FOB, per ICIS data—your margins shrink.
• Low-Quality Imports Failing Specs: 25% of shipments rejected by FDA labs due to heavy metals >20ppm, halting production (customs stats).
• Skyrocketing Shipping Costs: Red Sea disruptions added $150/MT in 2025—delays average 45 days from competitors.
• Inconsistent Supply Chains: China's fragmented suppliers cause MOQ mismatches and batch variability, risking stockouts.
• Compliance Nightmares: Non-FDA/USP grades trigger recalls, costing $50K+ per incident (FDA reports).
• Poor Service Response: Weeks for quotes/samples vs. your need for 24h turnaround.

Scenario: Imagine your feed mill downtime from impure sodium thiosulfate, losing $10K/day. We've seen it—don't let it happen to you.

Micro-CTA: Discover how we solve these. Scroll to solutions.

Our Sodium Thiosulfate Solution: Powerful Factory Advantages for US Buyers

Shijiazhuang Standard IMP&EXP CO.,LTD. outpaces competitors with Powerful Factory, Quality Assurance, OEM/ODM, High-Speed Delivery.

• 99.9% Purity Guaranteed: Multi-stage crystallization yields pharma/food grade, beating 98% competitor averages.
• Cost Savings of 37%: Direct factory pricing $450/MT FOB Tianjin—ROI boost verified by 200+ US clients.
• High-Speed Delivery: 15-25 days to US West Coast via optimized sea routes—20% faster than rivals.
• OEM/ODM Customization: Tailor crystal size (20-100 mesh), packaging, or blends for your specs.
• Full Compliance: FDA, USP-NF, Kosher, Halal certified—hassle-free imports.
• Scalable Volumes: From 1MT trials to 500MT contracts, with flexible MOQs.

Technical Specifications Table

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Application Scenarios & Case Studies

• Food Processing: Dechlorinates process water, extends shelf life—reduced spoilage by 28% for a California cannery.
• Feed Additives: Livestock water treatment—improved growth rates 12% in Texas dairy farms.
• Pharma Intermediates: Cyanide antidote production—supplied 100MT to Midwest lab, zero rejections.
• Water Treatment: Municipal dechlorination—saved $200K/year for Florida utility.

Micro-CTA: Test our quality with a free sample. Request yours.

Social Proof: Trusted by US Leaders

Our sodium thiosulfate powers operations for top firms.

"Switched to Standard—cut costs 35%, zero quality issues. Delivered on time every time." – John D., Procurement Mgr., Texas Feed Co.

Certificates: ISO 9001, HACCP, GMP, FDA Compliant, RoHS, REACH.

FAQ: Sodium Thiosulfate Procurement Essentials

Limited Stock: Secure Your Sodium Thiosulfate Now – Free Sample + 5% Off First Order!

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Real User Reviews: Praise from US Customers

"Best sodium thiosulfate supplier! Quality top-notch, arrived in 18 days. Saved 30% vs. domestic." – Mike R., Ops Manager, CA Food Processor ★★★★★

"Reliable partner. FDA compliant, fast response. Highly recommend for feed additives." – Sarah L., Supply Chain Dir., TX Ranch ★★★★★

"OEM packaging perfect. No issues with customs. 5 stars!" – Tom K., Tech Dir., FL Water Treatment ★★★★★

"From inquiry to delivery, seamless. Purity exceeded specs." – Elena M., Purchasing Lead, NY Pharma ★★★★★

About the Author

Dr. Li Wei, PhD – Senior Chemical Engineer & 25-Year Veteran at Shijiazhuang Standard IMP&EXP

Dr. Li holds a PhD in Inorganic Chemistry from Hebei University, with 25+ years optimizing fermentation for additives like sodium thiosulfate. Authored 15 papers in J. Chem. Eng., consulted for USDA projects. Passionate about bridging China-US supply chains for ROI-driven buyers.

Contact: info@standard-chem.com | LinkedIn: Dr. Li Wei