5,5-Dimethylhydantoin

• CAT Number: R043152
• CAS Number: 77-71-4
• Molecular Formula: C5H8N2O2
• Molecular Weight: 128.13
• Purity: ≥95%
• Synonyms: 5,5-Dimethyl-2,4-imidazolidinedione; 4,4-Dimethyl-2,5-dioxoimidazolidine; 5,5-Dimethylhydantoin; DM Hydantoin; DMH; Dantoin 736; Dantoin DMH; Dimethylhydantoin; Fennosurf 300; NSC 8652
• Storage: -20°C
• IUPAC Name: 5,5-dimethylimidazolidine-2,4-dione
• InChI: InChI=1S/C5H8N2O2/c1-5(2)3(8)6-4(9)7-5/h1-2H3,(H2,6,7,8,9)
• InChIKey: YIROYDNZEPTFOL-UHFFFAOYSA-N
• SMILES: CC1(C(=O)NC(=O)N1)C

5,5-Dimethylhydantoin（Cat No.:R043152）is a heterocyclic organic compound with the molecular formula C5H8N2O2. It features a hydantoin core—a five-membered ring containing two nitrogen atoms and two carbonyl groups—with two methyl groups at the 5-position, enhancing its hydrophobicity and stability. This compound serves as a versatile intermediate in the synthesis of pharmaceuticals, disinfectants, and water treatment agents. Its halogenated derivatives, such as bromochlorodimethylhydantoin (BCDMH), are commonly used as slow-release biocides. Due to its stability and reactivity, it is also utilized in polymer chemistry and industrial formulations.