About Diphenylcarbazone
Diphenylcarbazone
Other Name : Phenylazoformic acid 2-phenylhydrazide
CAS Number : 538-62-5
Molecular Formula : C13H12ON4
Molecular Weight(Mass) : 240.27gm/mole
Appearance : Orange crystalline powder
Solubility : Soluble in alcohol
Melting range : 153º-161ºC
Sensitivity to mercury : Passes test Key Features of DiphenylcarbazoneThis analytical reagent grade chemical is recognized for its high purity (99%) and stability. Diphenylcarbazone is a tasteless, odorless, and non-poisonous purple to red-violet powder. Its amorphous form enhances solubility in alcohol, making it versatile for various scientific uses. The chemical is sealed in dark glass to protect it from light and maintain efficacy over its two-year shelf life.
Precise Usage in Chemical AnalysisDiphenylcarbazone is primarily employed as an indicator in the titration of chloride ions, especially in Mohrs method, and serves as a complexometric indicator in analytical procedures. Its reliable color change underpins accurate endpoint detection, making it indispensable in laboratories handling qualitative and quantitative analyses of ions.
Safe Storage and Handling RecommendationsTo preserve the quality and effectiveness of Diphenylcarbazone, store the compound below 30C and shield it from light exposure. Always handle with care to avoid direct contact with eyes or prolonged skin exposure. When stored under these recommended conditions, the product remains stable for up to two years from the date of manufacture.
FAQs of Diphenylcarbazone:
Q: How should Diphenylcarbazone be stored for optimal stability?
A: Store Diphenylcarbazone below 30C in a location protected from light. It should remain sealed in its original dark glass bottle to maintain stability and ensure a shelf life of up to two years.
Q: What is the main usage of Diphenylcarbazone in laboratory settings?
A: Diphenylcarbazone is mainly used as an indicator in the titration of chloride ions using Mohrs method and as a complexometric indicator in analytical chemistry, providing accurate endpoint detection in various assays.
Q: When does Diphenylcarbazone typically expire after manufacture?
A: Diphenylcarbazone has a shelf life of two years from the date of manufacture, provided it is stored according to the recommended conditions.
Q: Where can I find information about the chemical registration and classification of Diphenylcarbazone?
A: Diphenylcarbazone is registered with CAS No: 143-07-7 and EINECS No: 205-601-1. It is categorized as non-hazardous and is suitable for use in analytical laboratories.
Q: What safety precautions are advised while handling Diphenylcarbazone?
A: While Diphenylcarbazone is not classified as hazardous or poisonous, it is recommended to avoid contact with eyes and prevent prolonged skin exposure. Standard laboratory practices for handling chemicals should always be followed.
Q: What are the benefits of using Diphenylcarbazone as an indicator?
A: Diphenylcarbazone offers reliable color changes, high purity, and stability. Its clear endpoint indication enhances precision in titration and analytical procedures, making it a preferred choice in laboratories.