Product Name: 1,3-Dibromo-5,5-dimethylhydantoin 
Synonyms: 1,3-Dibromo-5,5-dimethyl-2,4-imidazolidinedione; DDH; 1,3-Dibromo-5,5-dimethyldantoin; Bromodan; Dibromantin; DBDMH; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione; Dibromo-5,5-dimethyl hydantoin 
CAS RN.: 77-48-5 
EINECS: 201-030-9 
Molecular Weight: 285.9213 
Molecular Formula: C₅H₆Br₂N₂O₂ 
Density: 2.183g/cm³ 
Melting Point(℃): 197-199℃ 
Boiling Point(℃): 250.2°C at 760 mmHg 
Flash Point(℃): 105.1°C 
refractive_index: 1.621