Chemical, Agricultural Chemical, Pharmaceutical, Physical and chemical properties, White crystalline powder. sweet first and then hot. no chemical change in the air. specific gravity is 1. 443 and B. P211 . Atmospherically sublimation temperature over 76 , easily to decarboxylate and change into phenol and dioxide when heated atmospherically. slight dissolves in boiling water easily, soluble in alcohol or ether and slightly soluble ...