Thymolphthalein AR 25GM Go Back

CASR

: 125-20-2

Molecular Formula

: C28H30O4

Molecular Weight

: 430.55
Specifications  
Description: White to light yellow crystalline powder.
Solubility: Insoluble in water. Soluble in alcohol.
Transition range(pH 9.3-10.5): Colourless to blue.
Absorption(L max pH 10.5): 592 - 596 nm
Absorptivity(A 1%,1cm L max.pH 10.5 ): 800 - 900
Loss on drying,110°C: 3.0% max
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