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PHENOLPHTHALEIN TS

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.

Note

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

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

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.

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