phenolphthalein

Performance and Use (1) Pharmaceutical industry pharmaceutical raw materials: pharmaceutical laxatives, can stimulate the intestinal wall, causing intestinal peristalsis to promote defecation. Suitable for habitual stubborn constipation, there are tablets, suppositories and other dosage forms ;(2) for organic synthesis: mainly used in synthetic plastics, especially in the synthesis of diazonaphthalene ketones polyary ether ketones polymers, because of their excellent heat resistance, water resistance, chemical corrosion resistance, heat resistance aging and good processing molding, Many of the fibers, coatings and composite materials made from them are widely used in the fields of electronics, electrical equipment, machinery, transportation, aerospace, atomic energy engineering and military ;(3) for alkali indicator, non-aqueous titration indicator, reagent for color layer analysis.