Factory Supply Pharmaceutical Intermediate Raw Powder CAS 125-20-2 99% Purity Chemical Reagent Thymolphthalein

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                Factory Supply Pharmaceutical Intermediate Raw Powder CAS 125-20-2 99% Purity Chemical Reagent Thymolphthalein 

Thymolphthalein is an acid-base (pH) indicator. Its transition range is around pH 9.3-10.5. Below this pH, it is colorless; above, it is blue.
Thymolphthalein is used as a visual indicator for the pH of swimming pools, changing the water blue when the pH increases, it can be used to
detect the presence of urine being introduced into the normally neutral pH of the water. The molar
extinction coefficient for the blue thymolphthalein dianion is 38,000M−1cm−1 at 595nm.


Julong Bio-Tech Co., Ltd. is located in Xi'an City, Shaanxi Province, China. It is a biotechnology enterprise engaged in the research, development,
production and sales of animal and plant extracts, cosmetics, pharmaceutical raw materials and intermediates. The company has complete
experimental facilities. And advanced testing instruments  ensure the stability of product quality from all aspects. The company has a complete sales
service system, the products are exported to countries all over the world, and have won a good international reputation with excellent quality and
excellent service.

The company has been adhering to the basic principles of "integrity, quality, service, and win-win" to serve customers, constantly strict requirements,
set goals, and implement win-win development.