Purchases from this Verified User are protected by Buyerxpo.com's Buyer Protection Programme.
Product Description
Factory Sell USP Grade Phenolphthalein CAS 77-09-8 Stock from China Product Description Factory Sell USP Grade Phenolphthalein CAS 77-09-8 Stock From China Product Name Phenolphthalein CAS No. 77-09-8 MF C20H14O4 EINECS: 201-004-7 Appearance Powder Packing 25kg drum Shelf life 2 Years The main uses of phenolphthalein: 1. medical raw materials in the medical industry: suitable for habitual and stubborn constipation, available in tablets, suppositories and other dosage forms. 2. Used in organic synthesis: mainly used for synthetic plastics, especially for the synthesis of naphthazone polyaryl ether ketone polyaryl ether ketone polymers. This type of polymer has excellent heat resistance, water resistance, and Chemicalbook resistance. Due to its chemical corrosion resistance, heat aging resistance and good processing and formability, fibers, coatings and composite materials made from it are soon widely used in electronic appliances, mechanical equipment, transportation, aerospace, atomic energy engineering. 3. Used as acid-base indicator, indicator for titration of non-aqueous solutions, and reagent for chromatographic analysis. Specification Melting point 261-263 °C (lit.) Boiling point 417.49°C (rough estimate) density 1.27 g/cm3 at 32 °C refractive index 1.5400 (estimate) Fp 24 °C storage temp. no restrictions. Colour Index 764 form Solid pka 9.4(at 25ºC) color White to yellow-white PH Range 8.0(colorless)-10(Red) PH 7.8~10.0 Odor Odorless Water Solubility <0.1 g/100 mL
