Thymolphthalein

Thymolphthalein

Thymolphthalein is an organic compound historically used as a pH indicator. It is a weak acid-base indicator that changes color depending on the acidity (pH) of a solution.

Chemical Formula: C₂₆H₃₀O₄

CAS Number: 125-20-2

Appearance: A white to slightly yellowish crystalline powder

Uses:

• Acid-Base Indicator: Thymolphthalein changes color from colorless in acidic solutions (pH below 8.0) to a bright blue in basic or alkaline solutions (pH above 10.0).

• Medicinal Research: It can be used in medicinal research and pharmaceutical development.

Industry and Common Applications:

• Textile Dyeing and Finishing: Thymolphthalein can be used in textile dyeing and finishing processes as a pH indicator or colorant.

• Pharmaceuticals: In diagnostic tests and medical research, thymolphthalein can be incorporated into test kits or reagents as a pH indicator.