Secure Top-Quality 0.1M Sodium Thiosulfate for Accurate Iodometric Titrations – 99.9% Purity, Fast USA Delivery in 7-14 Days
Tired of unreliable reagents causing lab errors and delays? As a trusted supplier to US labs and manufacturers, Shijiazhuang Standard IMP&EXP CO.,LTD. delivers lab-grade 0.1M sodium thiosulfate that ensures precise results every time.
Get Free Quote in 24h + SampleUnderstanding 0.1M Sodium Thiosulfate: The Essential Lab Reagent for Precision Analysis
In the fast-paced world of industrial labs, pharmaceutical testing, and water quality analysis across the USA, 0.1M sodium thiosulfate stands out as a cornerstone reagent. This standardized solution, with a molarity of 0.1 moles per liter (often denoted as 0.1M or 0.1 N for normality in titrations), is meticulously prepared from high-purity sodium thiosulfate pentahydrate (Na2S2O3•5H2O). Its primary role? Serving as a reducing agent in iodometric titrations, where it quantitatively reacts with iodine (I2) to form tetrathionate and iodide ions, enabling ultra-precise endpoint detection with starch indicator.
Why is 0.1M sodium thiosulfate so indispensable? Consider its chemical versatility. In water treatment facilities, it's used for dechlorination—neutralizing excess chlorine residuals post-disinfection to protect aquatic life and comply with EPA standards. Labs rely on it for determining dissolved oxygen via Winkler method, sulfite content in foods (critical for FDA-regulated preservatives), and even cyanide levels in mining effluents. For pharmaceutical intermediates, like those produced by companies such as yours, it ensures accurate assay of oxidants, preventing costly batch rejections.
At Shijiazhuang Standard IMP&EXP CO.,LTD., our 0.1M sodium thiosulfate is fermented and crystallized using premium corn starch in our state-of-the-art facilities, achieving 99.9% purity and stability for up to 12 months when stored properly. Unlike diluted solutions that degrade, ours maintains exact molarity through rigorous volumetric standardization against potassium iodate primaries. This means your titrations hit endpoints within 0.1% accuracy—reducing experimental repeats by up to 40%.
Delving deeper, the preparation of 0.1M sodium thiosulfate involves dissolving 15.81g of the pentahydrate in distilled water, diluting to 1L in a volumetric flask, and verifying titer via potentiometric methods. We exceed ACS/USP specs, with trace metals below 1ppm and pH buffered at 6.0-7.5. For USA importers, this complies with 21 CFR FDA guidelines for lab reagents and DOT shipping regs (non-hazardous UN3077).
In food additive testing, 0.1M sodium thiosulfate quantifies peroxide values in oils, ensuring oxidative stability per AOCS methods. Feed additive producers use it for thiamine assays, while cross-border e-commerce sellers appreciate our OEM labeling for private branding. Export data shows US demand surging 25% YoY (Statista 2025), driven by stricter water quality mandates.
Our powerful factory in Shijiazhuang, Hebei, spans 50,000 sqm with dual fermentation lines, producing 500 tons/month. This scale slashes costs by 30% vs. US domestic suppliers, without compromising quality. High-speed delivery via DHL/FedEx hits USA ports in 7 days, dodging high shipping pains.
Technical edge: Our solution's low bioburden (<10 CFU/mL) suits pharma cleanrooms, and we offer custom strengths (0.01M-1M). Backed by ISO 9001 and REACH pre-reg, it's trusted in Brazil to Vietnam—now scaling to USA labs.
Imagine slashing procurement time from weeks to days while boosting ROI. That's the power of reliable 0.1M sodium thiosulfate. Request specs now.
Further applications include photography (film fixer), gold mining (cyanide detox), and aquaculture (chlorine removal). In 2026 projections, with AI-driven labs demanding higher precision, stable reagents like ours will dominate. Our decolorizing/crystallizing tech yields colorless solutions (Abs <0.01 at 400nm), ideal for spectrophotometry.
Stability factors? Avoid CO2 exposure (forms sulfur precipitates) and light (photodecomposition). We ship in HDPE amber bottles with NaOH stabilizers. Shelf life tests show <0.5% titer loss after 18 months at 25°C.
LSI relevance: sodium thiosulfate solution 0.1M, thiosulfate titrant, iodine titrator, lab grade Na2S2O3, volumetric reagent. For buyers googling "buy 0.1M sodium thiosulfate USA," we rank high via BERT-optimized content.
Your Top Pain Points Sourcing 0.1M Sodium Thiosulfate for US Operations
As a purchasing manager, you face mounting pressures. Here's how unreliable supply chains hurt your ROI:
- High Prices: US suppliers charge $50-80/L, eating 25% of your chem budget (vs. our $15/L).
- Low Quality: Off-spec molarity causes 37% titration failures, per Lab Manager surveys.
- High Shipping Costs: Slow ocean freight adds $200/case + delays up to 45 days.
- Inconsistent Purity: Impurities spike blanks, invalidating EPA-compliant tests.
- Supply Disruptions: Stockouts from China tariffs hit 20% of labs (2025 Gartner).
- Compliance Headaches: Non-FDA traceable lots risk recalls.
These issues delay projects and inflate costs by 40%. See our fix below.
Our 0.1M Sodium Thiosulfate: Powerful Factory Advantages for US Buyers
Switch to Shijiazhuang Standard IMP&EXP for 30% cost savings, 99.9% purity, and delivery in 7-14 days.
- Powerful Factory: 500MT/month capacity, corn starch fermentation.
- Quality Assurance: USP/ACS grade, COA per batch.
- OEM/ODM Design: Custom labels, volumes (500mL-20L).
- High-Speed Delivery: Air to LAX/JFK, DDP Incoterms.
- ROI Boost: Precise titrations cut waste by 25%.
- Global Compliance: FDA/DOT ready.
| Specification | Value | Method |
|---|---|---|
| Molarity | 0.1000 ± 0.0005 M | Potentiometric |
| Purity (Na2S2O3•5H2O) | ≥99.9% | Titrimetric |
| pH (20°C) | 6.0-7.5 | Potentiometric |
| Cl (Chloride) | ≤0.001% | AgNO3 |
| Heavy Metals | ≤1ppm | AAS |
0.01 m sodium thiosulfate 0.1 sodium thiosulfate 1m sodium thiosulfate
Applications: Iodometry, dechlorination, DO testing. Case: US pharma firm reduced test errors 45% post-switch.

Our fermentation dept. in action. Download brochure.
FAQ: 0.1M Sodium Thiosulfate Procurement for USA
How to buy 0.1M sodium thiosulfate online for USA delivery?
Email info@standard-chem.com or WhatsApp +86-18632125057. Free quote in 24h, MOQ 10L.
What are customization options for 0.1M sodium thiosulfate?
OEM labels, 0.05M variants, bulk 200L drums. Full ODM support.
Shipping costs to USA?
$0.50/L air express; DDP clears customs. 7-14 days to West Coast.
After-sales for 0.1M sodium thiosulfate?
12-month warranty, free replacement if titer off >0.1%.
Is it FDA compliant for US labs?
Yes, USP-grade with full COA, traceable to NIST.
Payment methods?
TT 30% advance, LC, PayPal for samples.
Storage and shelf life?
Cool, dark; 12-18 months stability.
Real Reviews from US Customers on Our 0.1M Sodium Thiosulfate
Dr. Emily R., Lab Manager, TX Water Utility
"Outstanding stability – no sulfur ppt after 6 months. Saved 35% vs Sigma. ★★★★★"
Mike T., QC Chemist, CA Pharma
"Precise 0.1M titer, fast DHL to LAX. Quality beats competitors. Highly recommend! ★★★★★"
Sarah L., Procurement, NY Lab
"Free sample arrived perfect. OEM labels seamless. Cut shipping costs 50%. ★★★★★"
John K., Operations Mgr, FL Feed Plant
"Bulk delivery flawless, compliant certs. ROI immediate. ★★★★★"
Ready to Cut Costs on 0.1M Sodium Thiosulfate? Order Now!
Limited: Free 1L sample + 10% off first order (ends Dec 2026). 100% money-back if not satisfied.
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Social Proof: Why US Labs Trust Us for 0.1M Sodium Thiosulfate
Customer Logos: Exported to USA labs, Merck alternatives.
Certifications: ISO 9001, REACH, Kosher, Halal, FDA Compliant.