


| Catalogue | Size | Price | Quantity | |
|---|---|---|---|---|
| CH1621-100g | 100g | $24.62 | ||
| CH1621-500g | 500g | $44.62 | ||
| CH1621-2.5Kg | 2.5Kg | $89.62 | ||
| CH1621-2.5kgx4 | 2.5kgx4 | $269.62 |
Sodium Thiosulfate, Pentahydrate, Lab Grade CAS: 10102-17-7 | M.F: Na2S2O3 • 5H2O | MW: 248.18, Buy now for reliable and reproducible results from ChemieR Inorganic Reagent at Dawnscientific
Sodium Thiosulfate Pentahydrate Lab (CAS: 10102-17-7) is a crystalline and colorless solid compound. It is the hydrated sodium thiosulfate with the chemical formula Na2S2O3 • 5H2O. Sodium thiosulfate pentahydrate's formula unit contains sodium ions (Na⁺), thiosulfate ions (S₂O₃²⁻), and five water molecules (H2O). This reagent is very soluble in water and tends to absorb atmospheric moisture to form the pentahydrate form. It is highly recommended for research laboratories and school organizations.
Applications of Sodium Thiosulfate, Pentahydrate, Lab Grade
Sodium Thiosulfate Pentahydrate Lab is used as a laboratory reagent.
It is often used in studies in schools.
Key Features of Sodium Thiosulfate, Pentahydrate, Lab Grade
Stable & Reliable: Provides consistency in standard storage conditions.
Highly Soluble: Easily soluble in water, easy to apply.
Versatile: Ideal for a variety of laboratory experiments and educational purposes.
Affordable: An affordable reagent for institutions and laboratories.
General Description
Sodium Thiosulfate, Pentahydrate, Lab Grade (CAS: 10102-17-7) is a white crystalline solid that is highly renowned for its superior water solubility and utility as a laboratory reagent. The chemical compound is made up of sodium, thiosulfate ions, and five molecules of crystallization water, which give rise to a stable pentahydrate. The molecular weight of the compound, Na2S2O3 · 5H2O, is 248.18.If you are looking for where to buy Sodium Thiosulfate, Pentahydrate, Lab Grade, or its price Dawn Scientific is your best option. We specialize in reagents of laboratory grade of highest quality by ChemieR Inorganic Reagent regarding purity, stability, and homogeneity. Whether you need it for analytical testing, or advanced research, Dawn Scientific provides convenient ordering, reliable shipping, and professional-grade quality.Sodium Thiosulfate, Pentahydrate, Lab Grade (CAS: 10102-17-7) is priced differently based on the quantity, packaging unit size, and grade. Competitive prices are offered by Dawn Scientific to enable laboratories, research centers, and schools to procure quality reagents without depleting their resources. Contact our sales team for ordering a quotation as per your lab requirements.
About Brand
ChemieR at Dawn Scientific offers a variety of high-purity salts and solutions of alkali metals, alkaline earth compounds, perchlorates, heavy metals, rare earths, transition metals, silver/precious metals, and triflates. ChemieR at Dawn Scientific covers a wide range of inorganic chemicals, specializing in low-moisture and low-trace-metal grade materials.
ChemieR is an innovative and unique product range in laboratory chemicals, which includes organic reagents, inorganic reagents, and solvents. The ChemieR brand at Dawn Scientific is here to meet your budget whilst not compromising on quality. Order from the ChemieR brand and never go back to using any other brands.
Why Dawn Scientific?
In addition to our specialty product lines, Dawn Scientific offers a comprehensive range of laboratory supplies and scientific products, including laboratory chemicals, reagents, analytical standards, solutions, buffers, biological stains, indicators, laboratory equipment, instruments, consumables, and much more.
For complete product information, technical resources, and our full catalog, please browse other categories on our website dawnscientific.com.
If you have any questions or would like assistance selecting the right products for your application, our knowledgeable team is ready to help. Contact us at 1-800-DAWN-SCI (1-800-329-6724) or email sales@dawnscientific.com. We look forward to serving your laboratory and research needs.
Sodium Thiosulfate Pentahydrate Lab Grade is used as a laboratory reagent in analytical chemistry, chemical research, solution preparation, and experimental procedures. It is particularly useful in laboratory methods that specifically require sodium thiosulfate in its pentahydrate form.
The chemical formula is Na₂S₂O₃ · 5H₂O, and the molecular weight is 248.18 g/mol. The pentahydrate form contains five water molecules associated with the compound's crystalline structure.
Pentahydrate means that five molecules of water are associated with each formula unit of sodium thiosulfate in the crystalline material. This is important when calculating the required mass for solution preparation or analytical procedures.
Common applications include:
The appropriate concentration and procedure should be selected based on the intended application.
Yes. Sodium Thiosulfate Pentahydrate is water-soluble and can be used to prepare aqueous laboratory solutions. Accurate weighing and appropriate solution-preparation techniques should be followed for reproducible results.
It is commonly known as Sodium thiosulfate pentahydrate and is sometimes referred to as sodium hyposulfite in older terminology. The pentahydrate designation identifies the specific hydrated form.
Laboratories should consider:
The specific preparation method should follow the laboratory procedure being performed.
Sodium Thiosulfate Pentahydrate Lab Grade is available in 500 g and 2.5 kg pack sizes. These options can support both routine laboratory consumption and larger research requirements.
Users should review the applicable SDS and technical documentation before use. These resources provide information relevant to handling, storage, product characteristics, and laboratory safety requirements.
Sodium Thiosulfate Pentahydrate Lab Grade is available from Dawn Scientific for customers across the USA. Contact Dawn Scientific for current product availability, pricing, documentation, and bulk-order assistance.


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