Sodium Thiosulfate Pentahydrate, 500gm Merck, India

Sodium Thiosulfate Pentahydrate, 500gm Merck, India Lab Grade Chemical for Analysis. Sodium Thiosulfate Pentahydrate (Na₂S₂O₃·5H₂O) is a chemical compound commonly used in various applications, including as a reagent in chemical analysis, photography, and water treatment. Merck, a well-known supplier of chemicals and reagents, offers this product with specific qualities and packaging options.

Here are some key details about Sodium Thiosulfate Pentahydrate from Merck India:

• • Chemical Name: Sodium Thiosulfate Pentahydrate
  • Molecular Formula: Na₂S₂O₃·5H₂O
  • Molar Mass: 248.18 g/mol
  • Purity: Typically ≥ 99% (check the specific product details for exact purity).
  • Appearance: Colorless, crystalline solid.
  • Package Size: 500 grams (commonly available in this size for laboratory use).

Some Uses:

• • Photographic industry: Used as a fixer in photographic processing to remove unreacted silver halide crystals.
  • Chemical Analysis: Used as a reagent in various analytical tests, including iodine titration.
  • Water Treatment: Acts as a dechlorinating agent in the treatment of water.
  • Medical Uses: Historically used as an antidote to cyanide poisoning.

Handling and Storage:

• • Store in a cool, dry place.
  • Keep the container tightly closed and protected from moisture.
  • Handle with appropriate safety measures, including gloves and goggles, as it can be harmful if ingested or if it comes in contact with the eyes.