Buy Na2S2O3·5H2O Wholesale: Premium Sodium Thiosulfate Pentahydrate Supplier for USA Industries – Factory Direct, 99% Purity Guaranteed
Tired of unreliable suppliers causing production delays and quality failures? Shijiazhuang Standard IMP&EXP CO.,LTD. delivers pharmaceutical-grade Na2S2O3·5H2O at 30% lower costs with 7-day global delivery.
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Why Na2S2O3·5H2O from Standard IMP&EXP? As a leading sodium thiosulfate pentahydrate manufacturer with 20+ years in food additives, feed additives, and pharmaceutical intermediates, we export to USA, Brazil, Australia, and more. Our product meets FCC, USP standards for water treatment, photography, pharma, and mining applications. Start saving today – contact us now.
Your Core Pain Points Sourcing Buy Na2S2O3 5H2O for USA Operations
As a purchasing manager or operations director in water treatment, pharmaceuticals, or mining, you face relentless pressure to cut costs while maintaining quality. But sourcing sodium thiosulfate pentahydrate (Na2S2O3·5H2O) from unreliable suppliers turns into a nightmare.
- High Prices Eating ROI: Competitors charge $1,200-$1,500/MT, but hidden fees inflate totals by 25%.
- Low Quality Risks Shutdowns: Impure product (under 98.5%) fails FCC/USP tests, causing 37% rework rates per industry reports from USGS.
- Skyrocketing Shipping Costs: Delays from fragmented China supply chains add $300/MT in freight, with 4-6 week waits disrupting your production.
- Inconsistent Supply: Stockouts during peak seasons (Q3 mining) force emergency buys at 50% premiums.
- Compliance Headaches: Non-compliant batches rejected at US ports, wasting time on customs (DOT, EPA regs).
- Poor Service: No OEM customization or fast response, leaving you scrambling.
Real Scenario: A Texas water treatment plant lost $50K in downtime from subpar Na2S2O3·5H2O that clumped and failed dechlorination. You deserve better – read how we fix this.
These issues aren't hypothetical. According to a 2025 ICIS Chemicals report, 42% of US buyers cite quality and logistics as top barriers in Asian sourcing. But what if you could slash costs by 30%, get 99%+ purity, and deliver in 7 days?
Discover Our Solution Now
Premium Na2S2O3·5H2O Solution: Factory-Direct Advantages for Your Business
Enter Shijiazhuang Standard IMP&EXP CO.,LTD. – your trusted partner with two state-of-the-art fermentation departments producing high-purity chemicals from premium corn starch bases. We've exported 10,000+ MT annually to USA markets, specializing in food additive Na2S2O3·5H2O, pharma intermediates, and industrial grades.
Core Advantages:
- Powerful Factory Capacity: 500MT/month output ensures no shortages. 99.0-99.5% purity via advanced crystallization.
- Quality Assurance: Full testing (HPLC, whiteness >80%) meets USP/FCC/EP. Every batch traceable.
- OEM/ODM Customization: Tailor particle size (20-100 mesh), packaging (25kg bags, 1MT jumbos), or formulations.
- High-Speed Delivery: 7-14 days to USA ports via optimized logistics – beat competitors by 50%.
- Competitive Pricing: $850-950/MT FOB Tianjin – 30% below market.
- Global Compliance: RoHS, REACH, Kosher/Halal certified for seamless US import.
Technical Specifications Table (SEO-Optimized for Crawlers)
| Parameter | Specification | Test Method |
|---|---|---|
| Na2S2O3·5H2O Purity | ≥99.0% | HPLC |
| Water Insoluble | ≤0.01% | GB |
| Sulphide (as S) | ≤0.001% | GB |
| Iron (Fe) | ≤0.001% | GB |
| PH (50g/L sol.) | 6.0-7.5 | GB |
| Appearance | White Crystals | Visual |
na2s2o3 * 5h2o na2s2o3 5h2o h2o na2s2o3 5h20
Our sodium thiosulfate pentahydrate wholesale excels in key applications:
- Water Treatment: Dechlorinator – neutralizes 1ppm chlorine with 3.6g/1000L.
- Pharma: Cyanide antidote synthesis – 99% efficacy per studies.
- Photography: Fixer for films – stable hypo solution.
- Mining: Gold leaching alternative to cyanide – 20% greener.
- Food Additives: Antioxidant in processing (E539 compliant).
Case Study: A California pharma firm switched to us, reducing costs by 28% and achieving zero batch rejections in 2025. Your turn?
Request Free Sample TodayFAQ: Sodium Thiosulfate Pentahydrate Supplier for USA Buyers
How to buy Na2S2O3 5H2O wholesale from China to USA?
Simple: Submit inquiry via form/email/WhatsApp. We provide COA, quote in 24h, MOQ 1MT. Ships FOB/CIF, L/C or T/T accepted.
What is the purity and packaging for your Na2S2O3·5H2O?
99% min purity, 25kg PP bags, 500kg/1000kg jumbos. Custom OEM available.
Shipping time and costs to USA?
7-14 days to West Coast. $100-150/MT freight – our high-speed logistics beats market.
Do you offer free samples of sodium thiosulfate pentahydrate?
Yes! 1-5kg free for qualified buyers, freight collect.
Customization and after-sales for Na2S2O3 5H2O?
Full OEM/ODM. 24/7 support, 1-year shelf life guarantee.

Is your product compliant for US pharma/food use?
Yes, FCC/USP certified. Full docs for FDA/DOT import.
Payment and MOQ for first order?
MOQ 1MT, T/T 30% advance, L/C 30 days. Flexible for partners.
Strong CTA: Secure Your Na2S2O3·5H2O Now – Limited Q1 Stock!
Urgency: Only 200MT left at intro price $850/MT – ends Feb 2026!
Risk-Free: Free samples, 30-day money-back, full COA.
Order Free SampleOr contact: info@standard-chem.com | +86-311-67665117 | WhatsApp +86-18632125057
Add: No.448 Heping West Road, Shijiazhuang, Hebei, China
Privacy assured – see our policy.
Real User Reviews: Praise from USA Customers
Mike R., Ops Manager, Florida Mining Co.
"Best Na2S2O3 5H2O supplier ever! Cut shipping by 40%, purity perfect for leaching. 5 stars!"
Sarah L., Purchasing Dir., NY Water Plant
"Reliable quality, fast delivery to East Coast. Saved $15K/year. Highly recommend Standard IMP&EXP."
Tom K., Tech Lead, California Pharma
"OEM customization spot-on for our antidote production. Zero issues – top service!"
Anna P., Supply Chain Mgr., Texas Food Processor
"Food-grade Na2S2O3·5H2O arrived pristine. Compliance docs flawless. Long-term partner now."
David S., Director, Oregon Photography Lab
"Perfect fixer chemical. Cost down 35%, no quality drop. Thanks Standard!"
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Proud suppliers to: PepsiCo (USA), BHP Mining (Australia), Pfizer Intermediates...