·中文名:盐酸四环素 ·英文名:Tetracycline hydrochloride ·外观:黄色粉末 ·分子式:C22H24N2O8·HCl ·分子量:480.9 ·熔点:220-223°C(lit.) ·折光率:-253 ° (C=0.5, 0.1mol/L HCl)