3733371 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3733371 > 2 > ChemIDplus > 012737278 > 12737-27-8 39422-17-8 Chrome black Chromic acid, iron salt Chromium iron oxide EINECS 235-790-8 Ferrochromite Iron chromate Iron chromite brown spinel > 12737-27-8 39422-17-8 > 012737278 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=012737278 $$$$