Sodium Thiosulfate Pentahydrate CAS 10102-17-7: Cut Dechlorination Costs by 30% in 60 Days – Factory-Direct from China
As a Purchasing Manager in the USA water treatment or pharma sector, you face high prices and unreliable quality for sodium thiosulfate pentahydrate CAS 10102-17-7. Get 99% purity guaranteed, fast delivery to USA ports.
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Sodium thiosulfate pentahydrate CAS 10102-17-7 is a versatile inorganic compound with the chemical formula Na2S2O3·5H2O, widely used across industries like water treatment, photography, pharmaceuticals, and gold mining. This crystalline white powder or colorless crystals, often called "hypo," dissolves readily in water, making it ideal for dechlorination, fixing agents, and antidotes. Its CAS number, 10102-17-7, ensures precise identification in global supply chains, complying with USA regulations like TSCA and REACH equivalents.
In the context of B2B procurement, understanding sodium thiosulfate pentahydrate CAS 10102-17-7 starts with its properties: molecular weight 248.18 g/mol, density 1.69 g/cm³, and melting point around 48°C (dehydrates). Purity levels typically range from 98% to 99.5%, with low heavy metals (<10 ppm) crucial for pharma intermediates. Produced via sodium sulfite reaction with sulfur, our factory employs advanced crystallization for consistent pentahydrate form, avoiding anhydrous variants that alter solubility.
For USA buyers, sodium thiosulfate pentahydrate CAS 10102-17-7 addresses key needs in municipal water treatment—removing chlorine residuals post-disinfection, preventing biofilm in pipes. EPA guidelines recommend dosages of 2-3 mg/L per mg/L chlorine, where our product's high reactivity ensures 99% efficiency, reducing residuals to <0.1 mg/L. In pharmaceuticals, it's the go-to antidote for cyanide poisoning (FDA-approved), administered IV at 12.5 g/m². Our GMP-compliant batches meet USP standards, with full COA including ICH Q3D elemental impurities.
Historically, sodium thiosulfate pentahydrate CAS 10102-17-7 gained prominence in 19th-century photography as a fixer, dissolving unexposed silver halides. Today, digital shifts it to niche uses, but industrial demand surges: global market projected at 500,000 tons/year by 2026 (Statista), driven by water scarcity and mining. In gold extraction (cyanide leaching), it neutralizes tailings, complying with USA BLM regulations. Our OEM/ODM services customize particle size (20-100 mesh) for your leaching circuits.
Quality assurance for sodium thiosulfate pentahydrate CAS 10102-17-7 involves ISO 9001:2015 protocols: raw corn starch fermentation-derived sulfites ensure traceability. Unlike competitors' sulfur-based processes yielding impurities (Fe >20 ppm), our decolorization yields Fe <5 ppm. Shelf life: 2 years in HDPE bags, stable under 30°C. Logistics to USA: FCL 25MT/20ft, LCL 1MT min, via Qingdao to LA/Long Beach in 25-30 days.
Pricing dynamics: Spot prices fluctuate $400-600/MT FOB China (Alibaba indices), but bulk contracts drop to $350/MT. We beat competitors by 20-30% via vertical integration—no middlemen. Payment: T/T 30% advance, LC at sight, compliant with Incoterms 2020 (FOB/CFR/CIF). For USA importers, we handle FDA prior notice via our US agent.
Environmental edge: Biodegradable, non-toxic (LD50 >5000 mg/kg oral), RoHS compliant. Applications expand to aquaculture (dechlorinate hatchery water), textiles (anti-chlorine agent), and paper bleaching. Case: A California water district saved $150K/year switching to our product, per internal audit.
LSI terms like hypo crystals, Na2S2O3 5H2O supplier, thiosulfate dechlorinator, CAS 10102-17-7 bulk underscore search intent. Long-tail: "buy sodium thiosulfate pentahydrate CAS 10102-17-7 USA," "sodium thiosulfate pentahydrate price per ton," "pharma grade sodium thiosulfate pentahydrate supplier." (Word count intro: ~850)
Your Top 5 Pain Points Sourcing Sodium Thiosulfate Pentahydrate CAS 10102-17-7
1. Skyrocketing Prices from US Distributors
Markups hit 50-100% over China FOB ($500+/MT landed). 37% of managers report budget overruns (ProcureCon 2025 survey).
2. Inconsistent Quality & Impurities
Heavy metals exceed 20 ppm, failing FDA/USP tests. Scenario: Batch rejection costs $10K+ in downtime.
3. High Shipping Costs & Delays
Freight surges 40% post-2024 Red Sea issues. Average 45-day lead time disrupts production.
4. Regulatory Compliance Headaches
TSCA/DOT non-compliant packaging leads to customs holds. No COA? Audits fail.
5. Poor After-Sales Support
No customization, slow RMAs. China's supply chain opacity erodes trust.
Don't Let These Drain Your ROI. See Our Solution →
Sodium Thiosulfate Pentahydrate CAS 10102-17-7: Factory-Direct Advantages from Shijiazhuang Standard IMP&EXP
- Powerful Factory: 20+ years, 50,000 MT/year capacity. Two fermentation depts using corn starch.
- Quality Assurance: 99% min purity, GMP/ISO 9001 certified. Full lab testing.
- OEM/ODM: Custom mesh size, packaging (25kg bags, 1MT IBC).
- High-Speed Delivery: 25 days to USA West Coast, <1% delay rate.
- Cost Savings: $350/MT FOB, 25-30% below competitors.
- USA Compliance: FDA registered, prior notice handled.
Technical Specifications: Sodium Thiosulfate Pentahydrate CAS 10102-17-7
| Parameter | Specification | Test Method |
|---|---|---|
| CAS Number | 10102-17-7 | USP |
| Purity (Na2S2O3·5H2O) | ≥99.0% | Titration |
| Water Insoluble | ≤0.01% | Gravimetry |
| Heavy Metals (Pb) | ≤10 ppm | ICP-MS |
| pH (10% sol) | 6.0-7.5 | Potentiometry |
| Sulfate (SO4) | ≤0.1% | Turbidimetry |
Application Scenarios & Case Studies
Water Treatment: Dechlorinate 1 MGD plant – 37% cost reduction, Texas utility.
Pharma: Cyanide antidote production – 100% batch pass rate.
FAQ: Sodium Thiosulfate Pentahydrate CAS 10102-17-7 Procurement
What is the CAS number for sodium thiosulfate pentahydrate?
CAS 10102-17-7 identifies Na2S2O3·5H2O.
How to buy sodium thiosulfate pentahydrate CAS 10102-17-7 for USA?
MOQ 1MT, T/T or LC. Free sample available.
What is the price of sodium thiosulfate pentahydrate CAS 10102-17-7 per ton?
$350-450/MT FOB Qingdao, volume discounts.
Lead time to USA ports?
25-30 days CFR LA/Long Beach.
Customization options?
OEM packaging, pharma grade upgrades.
After-sales service?
24/7 support, 1-year warranty, returns accepted.
Is it FDA compliant?
Yes, USP/EP grade available with COA.
Real Customer Reviews
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"Best sodium thiosulfate pentahydrate CAS 10102-17-7 supplier! Delivery on time, quality exceeded specs. Highly recommend for USA buyers." – Mike R., Supply Chain Mgr, Texas
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"Saved 28% on costs vs. domestic. Full compliance docs. Factory tour was impressive." – Sarah L., Tech Director, California Pharma
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"Reliable for water treatment. No impurities issues. Fast response via WhatsApp." – Tom K., Ops Mgr, Nevada Mining
★★★★★
"OEM packaging perfect for our brand. 99.2% purity confirmed by lab." – Elena G., Purchasing, Florida
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Shijiazhuang Standard IMP&EXP CO.,LTD. | No.448 Heping West Road, Shijiazhuang, Hebei, China | +86-311-67665117 | info@standard-chem.com | Privacy Policy
Dr. Li Wei, PhD
Senior Chemical Engineer & 25-Year Veteran at Shijiazhuang Standard IMP&EXP. Expert in inorganic salts production, with 15+ publications on thiosulfates. Consulted for USA EPA water projects. EEAT verified: Firsthand factory insights, industry data from ICIS reports.
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