Diazolidinyl Urea Diazolidinyl urea is an antimicrobial preservative that works by forming formaldehyde in cosmetic products. People exposed to such formaldehyde-releasing ingredients may develop a formaldehyde allergy or an allergy to the ingredient itself. CAS NO : 78491-02-8 EC NO : 278-928-2 Molecular Formula : C8H14N4O7 Chem/IUPAC Name : 1-[1,3-bis(Hydroxymethyl)-2,5-dioxoimidazolidin-4-yl]-1,3-bis(hydroxymethyl)urea Technical Analysis Specification Typical Values Colour…