Phenolphthalein  BP98/USP24
Molecular formula: C20H14O4
CAS NO.77-09-8

Tech data
Appearance                       White powder
Content                             99% min
Color of Solution                A 0.15 max
Melting Point                      258-263 C min
Heavy metal                       15 ppm max
Arsenic                                8 ppm max
Residue on ignition             0.1% max
Loss on drying                    1.0% max
Flouean                               Pass
Chromatographic impurity   1.0% max
Organic volatile impurity      Pass