Quninaldine red, 10 g

Quninaldine Red falls within a group of substances characterized by consistent performance as pH indicators. Its molecular formula is C18H17N3O3S and it has a molecular weight of 351.35 g/mol. This compound belongs to the class of azo dyes, known for their bright colors and ability to change color in response to changes in pH. Quninaldine Red is particularly useful in acid-base titration experiments due to its distinctive red color in acidic conditions and yellow color in basic conditions. It is available in a pure form, with a specified purity of 98%, and comes in a pack size of 10 grams. Additionally, it exhibits strong light absorption properties in the visible spectrum, making it suitable for various analytical techniques.

• CAS Number: 117-92-0