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THYMOLPHTHALEIN INDICATOR AR

5',5''-Diisopropyl-2',2''-dimethylphenolphthalein

Packings

5 g (00005)

25 g (00025)

1000 g (01000)

1GBA000015 1PW1200060 1PW1202500
Article No. 06309 Grade AR
Purity CAS No. 125-20-2
Molecular Formula C28H30O4 Molecular Weight 430.55
H.S. Code 2932.2090 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White powder
Melting point/ Freezing point [°C] 251 - 253 °C Solubility in water [% weight] Insoluble in water
Partition coefficient Log Pow octanol / water at 20°C 7.06

Specifications

Appearance White powder Infrared spectrum Conforms
Visual transition interval from pH 8.8 (Colorless) to pH 10.5 (blue) Absorption maxima 592 - 596 nm

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
Revision Date: 08-Jul-2021

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