596-01-0 Alpha-Naphtholphthalein

product Name Alpha-Naphtholphthalein Molecular Formula C28H18O4 Molecular Weight 418.4401 InChI InChI=1/C28H18O4/c29-25-15-13-23(17-7-1-3-9-19(17)25)28(22-12-6-5-11-21(22)27(31)32-28)24-14-16-26(30)20-10-4-2-8-18(20)24/h1-16,29-30H CAS Registry Number 596-01-0 EINECS 209-875-5 Molecular Structure Density 1.404g/cm3 Melting point 238-240℃ Boiling point 705.6°C at 760 mmHg Refractive index 1.769 Flash point 247°C Vapour Pressur 1.44E-20mmHg at 25°C Hazard Symbols  Xi:Irritant; Risk Codes R36/37/38:; Safety Description S26:; S36:;