CAS NO. 66-71-7 (Anhydrous) 5144-89-8 (Monohydrate) FORMULA C12H8N2 MOL WT. 180.21 1,10-PHENANTHROLINEPRODUCT IDENTIFICATIONCAS NO.66-71-7 (Anhydrous)5144-89-8 (Monohydrate)EINECS NO.200-629-2FORMULAC12H8N2MOL WT.180.21H.S. CODE TOXICITY SYNONYMS1,10-o-Phenanthroline; 4,5-Diazaphenanthrene; beta-Phenanthroline; Phenanthroline; 1,10-Fenanthrolin; Orthophenanthroline; 1,10-Fenantrolina; 1,10-Phé ...