Product code: RXSOL-60-6605-129
O CRESOLPHTHALEIN PH INDICATOR
Application
It is insoluble in water but soluble in ethanol. Its solution is colourless below pH 8.2, and purple above 9.8. Its molecular formula is C22H18O4. It is used medically to determine calcium levels in the human body, or to synthesize polyamides or polyimides.