Description
Specifications Table
| Product Name | Sodium thiosulfate, 5H2O AnalaR NORMAPUR? ACS |
|---|---|
| Pack Size | 500 g |
| Form | Crystalline powder |
| Grade | AnalaR NORMAPUR ACS |
| Application | Titration, photography, analytical chemistry |
Product Description
Sodium thiosulfate pentahydrate is a versatile laboratory reagent widely used in titration processes, particularly in iodometric titrations where it acts as a reducing agent. This AnalaR NORMAPUR ACS grade product from Avantor ensures high purity and consistency, making it ideal for analytical applications, photography development, and educational experiments.
Whether you’re a student setting up a chemistry lab or a researcher needing reliable reagents, this 500g pack provides ample quantity for multiple experiments. The crystalline form dissolves easily in water, offering precise measurements for accurate results.
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For photography enthusiasts, this compound serves as a fixing agent to stabilize images by removing unexposed silver halide. In analytical chemistry, it’s commonly used to determine iodine concentrations through back-titration methods.
The AnalaR NORMAPUR ACS certification guarantees compliance with strict quality standards, ensuring minimal impurities that could affect experimental outcomes. Each batch undergoes rigorous testing to maintain consistency across different applications.
Key Applications
This sodium thiosulfate pentahydrate finds use in various laboratory and industrial settings:
In educational laboratories, it helps students understand redox reactions and stoichiometry principles. The compound’s stable nature makes it safe for classroom demonstrations when handled properly.
Research facilities utilize it for quantitative analysis, particularly in environmental testing where iodine content needs precise measurement. The ACS grade specification ensures results meet international standards.
Photography darkrooms rely on this chemical to stop the development process and fix images permanently. The 500g quantity provides sufficient supply for both amateur and professional photographers.
Safety and Handling
While generally considered low-hazard, proper laboratory practices should be followed when handling sodium thiosulfate pentahydrate. Wear appropriate personal protective equipment including gloves and safety goggles.
Store in a cool, dry place away from incompatible substances. The compound is stable under normal conditions but should be kept in tightly sealed containers to prevent moisture absorption.
Why This Product Stands Out
The combination of AnalaR NORMAPUR and ACS certifications sets this product apart from standard laboratory grades. These dual certifications ensure both analytical purity and compliance with American Chemical Society standards.
The 500g packaging offers excellent value for frequent users while maintaining freshness through proper sealing. Unlike some competitors, this product comes from Avantor, a trusted name in laboratory chemicals with decades of expertise.
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— Risk Note (for chemical products): *Handle with care. Avoid contact with eyes and skin. Use in well-ventilated areas. In case of contact, rinse immediately with plenty of water. Keep out of reach of children.*
FAQs
What is the shelf life of Sodium Thiosulfate Pentahydrate?
When stored properly in sealed containers away from moisture, this product maintains stability for at least 2 years from the date of manufacture.
Can this be used for medical applications?
While sodium thiosulfate has medical uses, this particular product is intended solely for laboratory and analytical purposes. Medical-grade products require additional certifications.
How should I dispose of unused material?
Follow local chemical waste disposal regulations. Small quantities can often be neutralized and disposed of with plenty of water, but check with your institution’s safety guidelines.
Is this product suitable for food testing?
The AnalaR NORMAPUR ACS grade meets purity requirements for analytical food testing, though specific food-grade certifications may be required for direct food contact applications.
What’s the difference between AnalaR and ACS grades?
AnalaR indicates analytical reagent grade with high purity, while ACS certification means it meets American Chemical Society specifications for use in official methods. This product combines both standards.
