Best Quanlity Chemical Phenolphthalein CAS 77-09-8

Best Quanlity Chemical Phenolphthalein CAS 77-09-8. High Purity Assay: Assay range 98.0%-101.0% with actual result of 99.6%. Multiple Quality Standards: Available in Cp2005, Bp2007, USP23, and Ep6 grades. Strict Impurity Control: Heavy metals <0.001%, related substances <0.01%. Versatile Solubility: Practically insoluble in water, soluble in alcohol. Accurate CAS Identification: CAS No. 77-09-8, Formula C20H14O4. Seasonal Lead Time: One month in peak season, within 15 workdays off-season. Safe Storage Requirements: Store in well-closed drums in cool, dry areas.