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Phenolphthalein AR

3,3-bis(4-hydoroxyphenyl)-1(3H)-isobenzofuranone; 3,3-Bis(p-Hydroxyphenyl)Phthalide

Product Size 100gm/500gm Grade Analytical Reagent (AR)
Purity CAS No. 77-09-8
Molecular Formula C20H14O4 Molecular Weight 318.33
H.S. Code 29322910 Shelf Life 60 months
MSDS Certificate of Analysis (COAs)

Specifications

Description White powder
pH transition range
pH 8.3 Colourless
pH 10.0 Red violet
Absorption maxima (buffer pH 9.8) 551 - 554nm
Sensitivity Passes

Safety Information and Hazard Symbols
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