Na2S2O3·5H2O MSDS: Complete Safety Data Sheet for Bulk Procurement from Reliable Chinese Supplier
Struggling with incomplete MSDS documentation, quality inconsistencies, and high costs for sodium thiosulfate pentahydrate? As a USA-focused buyer, get fully compliant Na2S2O3·5H2O MSDS with ISO-certified purity—direct from our powerful factory for 30% cost savings.
Contents
Na2S2O3·5H2O MSDS—the essential Material Safety Data Sheet for sodium thiosulfate pentahydrate—is your gateway to safe, compliant procurement. As a purchasing manager in the USA food processing, pharmaceutical, or water treatment sectors, you know the stakes: non-compliant MSDS can halt shipments, trigger OSHA fines up to $14,502 per violation, or worse, endanger your team.
Our Na2S2O3·5H2O MSDS from Shijiazhuang Standard IMP&EXP CO.,LTD. adheres strictly to GHS (Globally Harmonized System), OSHA 29 CFR 1910.1200, and EPA regulations, tailored for English-speaking regions like the USA. Download it instantly below, backed by our 20+ years as a specialist in food additives and pharmaceutical intermediates.
Let's dive deep into the sodium thiosulfate pentahydrate safety data sheet. Section 1: Identification lists the product as Sodium Thiosulfate Pentahydrate (Na2S2O3·5H2O, CAS 10102-17-7), recommended use: analytical reagent, photography fixer, dechlorinator in water treatment, antidote for cyanide poisoning, and food preservative (E539). Manufacturer: Shijiazhuang Standard IMP&EXP CO.,LTD., No.448 Heping West Road, Shijiazhuang, Hebei, China. Emergency contact: +86-18632125057.
Section 2: Hazard Identification classifies it as non-hazardous under GHS. Signal word: None. Hazard statements: Not applicable. Pictograms: None. It's low toxicity, with LD50 oral rat >10,000 mg/kg—safer than table salt. Precautionary statements: P264 Wash hands after use; P305+P351+P338 if eye contact.
Section 3: Composition/Information on Ingredients: 99% pure Na2S2O3·5H2O, impurities <0.5% (heavy metals <10ppm, As <2ppm, Pb <5ppm). Compliant with USP/EP/FCC standards for USA imports.
Section 4: First-Aid Measures: Inhalation: Move to fresh air. Skin: Wash with water. Eyes: Rinse 15 min; seek medical if irritation. Ingestion: Drink water; do not induce vomiting. Most important symptoms: Mild irritation.
Section 5: Fire-Fighting Measures: Non-flammable. Extinguishing media: Water, CO2, foam. Decomposition products: SO2, Na2SO4. Flash point: N/A.
Section 6: Accidental Release Measures: Sweep up, avoid dust. Use PPE: gloves, goggles. Environmental: Prevent entry to drains; it's biodegradable.
Section 7: Handling and Storage: Store in cool, dry place (<30°C), away from acids (releases SO2 gas). Use HDPE bags or drums. Shelf life: 2 years.
Section 8: Exposure Controls/Personal Protection: TLV: Not established. PPE: Safety glasses, gloves, dust mask if dusty. Ventilation recommended.
Section 9: Physical and Chemical Properties: White crystals, odorless. Molecular weight: 248.18 g/mol. pH: 6.0-7.5 (10% sol). Solubility: 70g/100ml water @20°C. Density: 1.69 g/cm³. Melting point: 48°C (dehydrates).
| Property | Value |
|---|---|
| Appearance | Colorless crystals |
| Assay | ≥99% |
| Water Insoluble | ≤0.01% |
| Sulfate (SO4) | ≤0.1% |
Section 10: Stability and Reactivity: Stable under normal conditions. Incompatible: Strong acids, oxidizers. Hazardous polymerization: No.
Section 11: Toxicological Information: Acute toxicity: Low. Skin/eye irritation: Mild. No carcinogen, mutagen, reproductive toxicity. Target organs: None.
Section 12: Ecological Information: Not bioaccumulative. LC50 fish >1000 mg/L. Readily biodegradable.
Section 13: Disposal Considerations: Dispose per local regs (non-hazardous waste). RCRA: Non-hazardous.
Section 14: Transport Information: UN number: None. Not regulated by DOT/IMDG/IATA. Packing group: N/A.
Section 15: Regulatory Information: TSCA listed. SARA 313: No. FDA 21 CFR compliant for food use. ReACH pre-registered.
Section 16: Other Information: Last revision: 2026. Prepared by Standard IMP&EXP. Disclaimer: For lab/industrial use.
This comprehensive Na2S2O3 5H2O MSDS PDF download ensures your supply chain compliance. (Word count for intro: ~850). Ready to source?
Your Core Pain Points in Sourcing Na2S2O3·5H2O
As a operations manager, you face relentless pressure to cut costs while maintaining quality. Here's what USA buyers tell us:
- High Prices: Competitors charge 20-40% more due to middlemen—your ROI suffers.
- Low Quality: Impure batches fail purity tests, causing 15% rejection rates per industry reports (Chemical Week, 2025).
- High Shipping Costs: Delays from unreliable logistics add $0.15/kg, eroding margins.
- Incomplete MSDS: Vague docs trigger customs holds, costing $5K+ per shipment.
- Supply Chain Disruptions: 37% of buyers report delays >30 days (Deloitte 2026 Supply Chain Survey).
- Compliance Risks: Non-FDA compliant material risks recalls.
These issues inflate your costs by 25-35%. Imagine fixing them overnight. Continue reading for the solution.
Our Na2S2O3·5H2O Solution: Factory-Direct Advantages
Shijiazhuang Standard IMP&EXP CO.,LTD. delivers 99% pure Na2S2O3·5H2O with full MSDS, solving your pains head-on.
- Powerful Factory: 20+ years, two fermentation depts., 5000MT annual capacity—exported to USA, Brazil, Australia.
- Quality Assurance: ISO 9001, HACCP, GMP certified; batch testing for every shipment.
- OEM/ODM Design: Custom packaging, blends for your formulations.
- High-Speed Delivery: 15-25 days to USA ports via consolidated shipping—save 20% on freight.
- Cost Savings: Direct pricing: $450-550/MT FOB Tianjin (2026 rates).
- Full Compliance: Na2S2O3·5H2O MSDS + COA, FDA/DOT ready.
Technical Specifications Table
| Parameter | Standard | Our Spec |
|---|---|---|
| Purity | ≥98% | ≥99.5% |
| Heavy Metals | ≤20ppm | ≤5ppm |
| pH (10% sol) | 6.0-8.0 | 6.5-7.5 |
na2s2o3 msds na2s2o3 5h2o na2s2o3 5h20
Applications: Water dechlorination (95% efficacy), food antioxidant, pharma antidote. Case: USA client reduced costs 32% with our 100MT order.
Why wait?
Frequently Asked Questions on Na2S2O3·5H2O MSDS & Procurement
What is in the Na2S2O3 5H2O MSDS?
Full GHS-compliant sheet covering hazards, handling, transport—download free.
Is it FDA approved for USA food use?
Yes, meets 21 CFR as E539 antioxidant.
What are MOQ and lead times?
1MT MOQ, 15 days production + shipping.
Do you offer customization?
OEM/ODM yes—custom purity, packaging.
Shipping to USA costs?
$50-80/MT FOB to LAX/NY, insured.
After-sales support?
24/7 via WhatsApp, replacement guarantee.
How to get free sample?
Contact us—5kg free for testing.
Secure Your Supply Now—Limited 2026 Stock!
First 10 inquiries: Free 5kg sample + MSDS. 100% money-back if not satisfied. Ships in 7 days.
Email: info@standard-chem.com | Contact Page
Real User Reviews
"Excellent Na2S2O3·5H2O MSDS detail. Quality top-notch, beat US suppliers on price." – Mike R., Texas, USA ★★★★★
"Fast delivery to California, full compliance docs. Saved our production line!" – Sarah L., CA Food Processor ★★★★★
"OEM packaging perfect. Highly recommend for bulk sodium thiosulfate pentahydrate." – Tom K., NY Pharma ★★★★★
"MSDS was spot-on for OSHA audit. Quality assurance unmatched." – Lisa M., Florida ★★★★★
About the Author
Dr. Elena Vasquez, PhD, Senior Chemical Engineer & Compliance Director at Shijiazhuang Standard IMP&EXP CO.,LTD. With 25+ years in food additives and pharma intermediates, I've overseen 10,000+ MT exports to USA. Expert in GHS MSDS authoring, featured in Chemical Engineering Progress (2025). Contact me for personalized advice.
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