O-Cresolphthalein extrapure 25GM Go Back

CASR

: 596-27-0

Molecular Formula

: C22H18O4

Molecular Weight

: 346.39
Specifications  
Description: White to tan powder.
Solubility: Insoluble in water, soluble in alcohol.
Melting point: 219°C-225°C
pH transition range(pH 8.2-9.8): colourless to violet red.
Absorption, L max: 566nm&381nm (in 0.1N NaOH)
Loss on drying,110°C: 4%max
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