CAS Registry Number

CAS 13291-61-7 — trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic acid hydrate (CDTA)

trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic acid hydrate (CDTA) is a hexadentate chelating agent used primarily in analytical chemistry, metal ion analysis, and as a buffer in biochemical research. It effectively binds transition metals, making it useful for complexometric titrations and preventing metal-catalyzed degradation in solutions. CDTA has a CAS number of 13291-61-7, a molecular formula of C14H22N2O8 · H2O, and a molecular weight of 364.355. It is stored at ambient conditions with a signal word of Warning. Molekula supplies CDTA from research to bulk quantities with full documentation and ISO 9001:2015 traceability.