Appearance:White to BrownPurity:~95%Proton NMR Spectrum:Conforms to RequirementsOptical Activity [a]22/D +53°, c = 0.5 in chloroform:48-58Carbon:65.7-73.4%Melting Point:199-209°CCAS Number:177931-43-0Molecular Formula:C8H10O2Molecular Weight:138.16Storage:4°C