Thymol phthalein / thymol bran / thymophthalein

English name：Thymolphthalein；Dithymolphthalide；5′,5″-Diisopropyl-2′,2″-dimethylphenolphth- alein；3,3-Bis(4-hydroxy-2-meth-yl-5-isopropylphenyl)phthalide

Other names: Thyme phenolphthalein; Thymol phthalein; Thymol bran

CAS No.: 125-20-2

C28H30O4=430.54

Grade: ind

Melting point: 251 ～ 255 ℃

PH color change range: 9.3 (colorless) ～ 10.5 (blue)

Ethanol dissolution test: acceptable

Sodium hydroxide dissolution test: acceptable

Burning residue (calculated by sulfate): ≤ 0.1%

Physicochemical properties: white or yellowish crystalline powder. Soluble in alcohol and ketone, red in sulfuric acid, blue in dilute alkali, insoluble in water

Purpose: biochemical research. Acid base indicator, reagent for blood test, chromatographic analysis

Saving: RT