Factory Supply Chemical Phenolphthalein99.99% CAS No 77-09-8

Factory Supply Chemical Phenolphthalein99.99% CAS No 77-09-8. High Purity Grade: Assay 99.6%, meets AR grade standards for analytical and diagnostic use. Versatile Applications: Suitable for biological, tissue, microbiological, and microscopic purposes. Precise pH Indicator: Colorless below pH 8.5, turns pink to deep-red above pH 9. Natural Source: Extracted from natural things for fine chemical production. Strict Quality Control: Heavy metals <0.0009%, related substances <0.01%, loss on drying 0.12%. Stable Storage: Store in well-closed drums in cool, dry areas to maintain integrity. Fast Off-Season Delivery: Lead time within 15 workdays during off-peak seasons. Global Market Reach: Supplied to South America, Eastern Europe, Africa, Oceania, and Asia.