Thymolphthalein pH-indicator

Acid-base pH indicator. The transition range is around pH 9.3–10.5. Below this pH, it is colorless; above, it is blue. Acidic form retains hydrogen on each hydroxyl group.

Caution: All products are FOR RESEARCH USE ONLY. PRODUCTS ARE NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES. Customer is granted a limited use non-exclusive licence for its own internal research. Any control manufacturer supplies with a Product is limited to use only to validate the relevant Product. By using the Product, Customers agree not to attempt to reverse engineer or otherwise perform any compositional, structural, functional or other analyses directed to learning the methodology, formulae, sequences, processes, make-up or production of any of the Products or portions thereof.