🌟 99% Happy customers

📦 Same-day shipping on in-stock items

Catalog Number:
30691
CAS Number:
10102-17-7
Sodium thiosulfate pentahydrate
Grade:
meets USP-NF/BP/EP/JP specifications
Purity:
99.0 - 100.5% (Assay on anhydrous basis)
Documents
$18.53 /250G
Pack Size Availability Price
Request Bulk Quote
Product Information

Sodium thiosulfate pentahydrate is a versatile compound widely utilized in various industries due to its unique properties and applications. This white crystalline powder 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 and papers. Additionally, it serves as an important reagent in analytical chemistry, particularly in iodometric titrations, where it is used to determine the concentration of oxidizing agents. Its ability to neutralize chlorine makes it valuable in water treatment processes, helping to dechlorinate drinking water and wastewater.

Moreover, sodium thiosulfate pentahydrate is gaining attention in the medical field 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 effectiveness in various applications make it a preferred choice for researchers and industry professionals alike. With its broad range of uses, sodium thiosulfate pentahydrate stands out as a reliable and multifunctional compound for diverse applications.

CAS Number
10102-17-7
Purity
99.0 - 100.5% (Assay on anhydrous basis)
Grade
meets USP-NF/BP/EP/JP specifications
Molecular Formula
Na2S2O3·5H2O
Molecular Weight
248.18
MDL Number
MFCD00149186
PubChem ID
61475
Melting Point
48 °C (Approx.)
Density
1.69 g/mL at 25 °C
Appearance
White crystals or chunks
Conditions
Store at RT
General Information
CAS Number
10102-17-7
Purity
99.0 - 100.5% (Assay on anhydrous basis)
Grade
meets USP-NF/BP/EP/JP specifications
Molecular Formula
Na2S2O3·5H2O
Molecular Weight
248.18
MDL Number
MFCD00149186
PubChem ID
61475
Melting Point
48 °C (Approx.)
Density
1.69 g/mL at 25 °C
Appearance
White crystals or chunks
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 serves as a key component in photographic processing, acting as a fixer to dissolve unreacted silver halides, ensuring clear and stable images.
  • Water Treatment: This compound is effective in dechlorinating water, making it safer for aquatic life by neutralizing chlorine in municipal water supplies.
  • Medicine: In clinical settings, it is used in the treatment of cyanide poisoning, where it helps convert cyanide into a less toxic compound that can be excreted by the body.
  • Analytical Chemistry: It is employed in titrations and as a reducing agent in various chemical analyses, providing accurate results in quantitative assessments.
  • Industrial Applications: Sodium thiosulfate is used in the textile industry for bleaching and in the production of certain dyes, enhancing color quality and fabric processing.

Citations