Thymolphthalein
Cas No :
125-20-2
Molecular Weight :
430.54 G/Mol
Molecular Formula :
C28H30O4
Solubility :
Slightly Soluble In Ethanol, Acetone
Description :
Thymolphthalein is a pH indicator dye widely used in analytical chemistry, titration, and laboratory research. It exhibits a distinct colour change from colourless to blue over a specific pH range, making it a valuable tool for acid-base titrations and pH monitoring.
Thymolphthalein is primarily applied in chemical laboratories, pharmaceutical research, and educational experiments. It is strictly an industrial and laboratory chemical, not intended for food, fragrance, or cosmetic use.
Used as a pH indicator in acid-base titrations, particularly for strong base detection.
Provides a colourless to blue transition typically over the pH range 9.3–10.5.
with related products such as potassium-dibenzyl-phosphate, benzalkonium chloride, and Other 2-benzylacrylic-acidIndicators from the ChemicalBull catalogue.
Applied in pharmaceutical analysis for monitoring pH in drug formulations and chemical reactions.
Used in research laboratories to study acid-base reactions, buffer solutions, and pH-dependent processes.
Widely used in schools and universities for chemistry experiments demonstrating pH changes and titration concepts.
Helps students visualise acid-base reactions and understand indicator chemistry.
Handle with gloves, goggles, and protective clothing
Avoid inhalation of powder and direct skin contact
Store in a cool, dry, and dark place
Keep containers tightly closed to prevent degradation
Not suitable for food, cosmetic, or fragrance applications
Follow MSDS and laboratory safety protocols
Produced by speciality chemical manufacturers under controlled conditions to ensure purity and stability.
ChemicalBull Pvt. Ltd. supplies Thymolphthalein for analytical, pharmaceutical, and educational applications.
The MSDS provides detailed information on safe handling, storage, and hazard management and is available on request.