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Catalog Number:
01525
CAS Number:
7772-98-7
Sodium thiosulfate
Grade:
USP
Purity:
99.0 - 100.5% (Assay on anhydrous basis)
Documents
$20.20 /250G
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Product Information

Sodium thiosulfate is a versatile chemical compound widely recognized for its applications in various industries, including pharmaceuticals, photography, and water treatment. This compound acts as a reducing agent and is particularly effective in neutralizing chlorine in water, making it an essential component in dechlorination processes. In the pharmaceutical sector, sodium thiosulfate is utilized in the treatment of cyanide poisoning and as a component in certain chemotherapy regimens, showcasing its critical role in medical applications. Additionally, it serves as a photographic fixer, helping to stabilize images by removing unexposed silver halides.

With its unique properties, sodium thiosulfate stands out for its ability to form complexes with heavy metals, which enhances its utility in environmental remediation efforts. Researchers and industry professionals appreciate its effectiveness in analytical chemistry as a titrant in iodometric titrations. The compound's safety profile and ease of handling further contribute to its popularity across various applications, making it a reliable choice for those seeking effective solutions in chemical processes.

CAS Number
7772-98-7
Purity
99.0 - 100.5% (Assay on anhydrous basis)
Grade
USP
Molecular Formula
Na2S2O3
Molecular Weight
158.11
MDL Number
MFCD00003499
Density
1.67
Appearance
White to colorless crystalline powder
Conditions
Store at RT
General Information
CAS Number
7772-98-7
Purity
99.0 - 100.5% (Assay on anhydrous basis)
Grade
USP
Molecular Formula
Na2S2O3
Molecular Weight
158.11
MDL Number
MFCD00003499
Density
1.67
Appearance
White to colorless crystalline powder
Conditions
Store at RT
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Sodium thiosulfate is widely utilized in research focused on:

  • Photography: It serves as a fixer in photographic processes, helping to remove unexposed silver halides from film and paper, ensuring clear images.
  • Water Treatment: Used to dechlorinate water, it effectively neutralizes chlorine in swimming pools and drinking water, making it safer for human use.
  • Medical Applications: Employed in treating cyanide poisoning, it acts as an antidote by converting toxic cyanide into a less harmful compound, aiding in emergency medical situations.
  • Analytical Chemistry: It functions as a reducing agent in various titrations, allowing for precise measurements of substances in laboratory settings, enhancing the accuracy of results.
  • Industrial Applications: In the textile industry, it is used for bleaching and as a reducing agent in dyeing processes, improving color quality and consistency.

Citations