Product Description
Bromocresol Purple Indicator AR is a high-grade analytical reagent used in laboratory analysis for pH determination. With a purity of 99%, this powdered indicator shifts color between pH 5.2 (yellow) and pH 6.8 (purple). It is classified as a non-toxic chemical compound, ideal for handling in laboratory settings. Bromocresol Purple, with a molecular formula of C21H16Br2O5S, is slightly soluble in water but readily dissolves in alcohol and ether. This odorless and solid indicator has a density of 1.7 g/cm3 and a melting point range of 241-243C. It is commonly known as 55-Dibromo-o-cresolsulfonphthalein and serves as a crucial tool for pH indication in analytical chemistry applications.
FAQs of BROMOCRESOL PURPLE INDICATOR AR:
Q: What is the main application of Bromocresol Purple Indicator AR?
A: Bromocresol Purple is primarily used as a pH indicator in analytical chemistry for precise pH determination.
Q: Is Bromocresol Purple toxic?
A: No, Bromocresol Purple is non-toxic in small quantities, but it should be handled with care in laboratory environments.
Q: What is the color range exhibited by Bromocresol Purple at different pH levels?
A: Bromocresol Purple shifts color between yellow (pH 5.2) and purple (pH 6.8) in its role as a pH indicator.
Q: What is the storage recommendation for Bromocresol Purple Indicator AR?
A: It is advised to store Bromocresol Purple in a cool, dry place away from light and moisture to maintain its integrity.
Q: What is the molecular weight of Bromocresol Purple?
A: The molecular weight of Bromocresol Purple is 540.23 g/mol.