Phenolphthalein
CAS: 77-09-8
Category: Phthalein dye
| Purity | ACS Reagent Grade ≥98.5%, USP/NF Grade, Indicator Grade ≥99% |
| Molecular Formula | C20H14O4 |
| Molecular Weight | 318.32 |
| Appearance | white to yellowish-white crystalline powder |
| Packaging | 25kg/fiber drum or 20kg/cardboard drum. |
| Testing Indicators | Appearance — Visual inspection; Melting point — Capillary; Purity — HPLC; Identification — IR, Color reaction; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Plating; Phenol — Colorimetry; Residue on ignition — Muffle furnace. |
| Storage Notes | Store in a tightly closed container in a cool, dry, and well-ventilated place, away from incompatible materials. |
| Lead Time | Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.demeichem.com/config/helpers.php on line 28 days |
Primarily used as a chemical indicator and raw material in laboratories; its historical use as a laxative pharmaceutical has been discontinued in many countries.