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Catalog Number:
01802
CAS Number:
10102-17-7
Sodium thiosulfate pentahydrate
Grade:
ACS
Purity:
99.5 - 101.0% (Assay by titration)
Documents
$18.53 /250G
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Product Information

Sodium thiosulfate pentahydrate is a versatile chemical compound widely utilized in various industries due to its unique properties. This crystalline solid is recognized for its role as a reducing agent and is commonly employed in photographic processing, where it acts as a fixer to remove unexposed silver halides from photographic films. Additionally, it serves as an important reagent in analytical chemistry for iodometric titrations, enabling precise measurements of halogens and other oxidizing agents. Its ability to neutralize chlorine makes it valuable in water treatment processes, ensuring safe and clean water for consumption and industrial use.

In the pharmaceutical sector, sodium thiosulfate pentahydrate is gaining attention for its potential therapeutic applications, including its use in treating cyanide poisoning and as a protective agent against certain chemotherapy side effects. Its low toxicity and high solubility further enhance its appeal for researchers and industry professionals seeking effective solutions. With its diverse applications and benefits, sodium thiosulfate pentahydrate stands out as a crucial compound in both laboratory and industrial settings.

CAS Number
10102-17-7
Purity
99.5 - 101.0% (Assay by titration)
Grade
ACS
Molecular Formula
Na2S2O3·5H2O
Molecular Weight
248.18
MDL Number
MFCD00149186
Melting Point
48 ºC (Approx.)
Appearance
Colorless or white crystals
Conditions
Store at RT
General Information
CAS Number
10102-17-7
Purity
99.5 - 101.0% (Assay by titration)
Grade
ACS
Molecular Formula
Na2S2O3·5H2O
Molecular Weight
248.18
MDL Number
MFCD00149186
Melting Point
48 ºC (Approx.)
Appearance
Colorless or white crystals
Conditions
Store at RT
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Sodium thiosulfate pentahydrate is widely utilized in research focused on:

  • Photography: It acts as a fixer in photographic processing, helping to remove unreacted silver halides and stabilize the image, ensuring high-quality prints.
  • Water Treatment: This compound is effective in dechlorinating water, making it an essential agent in municipal water treatment facilities and aquaculture to neutralize chlorine.
  • Medicine: It is used in the treatment of cyanide poisoning and as a potential therapeutic agent in certain dermatological conditions, showcasing its versatility in healthcare.
  • Analytical Chemistry: Sodium thiosulfate serves as a reducing agent in titrations, particularly in iodometric analyses, providing accurate results in quantitative chemical analysis.
  • Industrial Applications: It is employed in the textile and paper industries for bleaching and as a reducing agent, offering a safer alternative to harsher chemicals.

Citations