» "Benzoin" is also used to describe benzoin resin, which doesn't contain the benzoin described on this page. Benzoin is an organic compound consisting of an ethylene bridge flanked by phenyl groups and with hydroxyl and ketone functional groups. It appears as off-white crystals, with a light camphor odor. Benzoin is synthesized from benzaldehyde in the benzoin condensation. Benzoin is not a constituent of benzoin resin obtained from the benzoin tree (Styrax) or tincture of benzoin. The main co… (More on Benzoin)