RXSOL
Lab Chemical
PHENOLPHTHALEIN TS
SKU: RXSOL-60-6121-030
Phenolphthalein is an acid base indicator. It is a weak acid, which is colorless in acidic solution and turns puce pink in alkaline solution. Phenolphthalein is genotoxic.
Application
Product Name ::: Phenolphthalein ( White ) IP
CHEMICAL NAME ::: : 3, 3 Bis (p-Hydroxyphenyl) Phthalide
CAS NO. ::: : 77-09-08
MOLECULAR FORMULA : C20H1404
MOLECULAR WEIGHT : 318.32
Dosage
Dissolve 10.0 g of phenolphthalein powder in 750 mL of ethanol and dilute to 1 L with distilled water. Add 0.1 N sodium hydroxide (NaOH) solution dropwise to the first permanent faint pink end point. Color and pH range: colorless 8.3-10.0 red.
Technical Specifications
| Physical State | Liq |
| Appearance | pale yellow |
| Odor | odorless |
| pH | Not available |
| Vapor Pressure | Negligible |
| Vapor Density | Not available |
| Evaporation Rate | Negligible |
| Viscosity | Not available |
| Boiling Point | Not available |
| Freezing/Melting Point | 264 deg C |
| Autoignition Temperature | Not available |
| Flash Point | Not available |
| Decomposition Temperature | Not available |
| NFPA Rating |
(estimated) Health: 1; Flammability: 0; Reactivity: 0 |
| Molecular Formula | C20H14O4 |
| Molecular Weight | 318.0956 |
