Ke ea bohlokoa lipakeng tsa ho qaptjoa ha lithethefatsi tsa antipyretic le analgesic. Ke phofo ea kristale e tšoeu ho isa ho bosoeu bo lekanang le ntlha e qhibilihang ea 96 ~ 100â.
E fumanoa ka bromination le hydrolysis ea phenol. Chesa phthalein ho 140-145â, karabelo ea bromine, laola lebelo la ho kena, e le hore khase ea mohatla e se ke ea tsoa mouoane oa bromine. Kamora ho tlosoa ha bromine, masala a hydrogen bromide a ile a tlosoa ke carbon dioxide le decompression bukeng ea lik'hemik'hale ea 120â. Li-reactants li tšeloa ka hydrolyzed ka metsi bakeng sa lihora tse 0.5 ka bateng ea metsi a belang. O-carboxyl benzaldehyde e na le pula ka mor'a ho pholile. Kotulo ea 60%.
