2,3-Dimethyl-2,3-diphenylbutane

Trade name FARIDA DMDPB Common name DMDPB Chemical name 2,3-Dimethyl-2,3-diphenylbutane Molecular Formula C18H22 Molecular weight 238.4 CAS NO 1889-67-4 EINECS/ELINCS NO 217-568-2 Half-life data The reactivity of a C-C initiator is usually given by its half-life at various temperatures. For DMDPB in chlorobenzene: 0.1 hr at 284℃ (543℉) 1 hr at 259℃ (498℉) 10 hr at 237℃ (459℉) Application As a new polymer additive, FARIDA DMDPB can be used as synergist for flame retardancy, and catalyzator or initiator for the crosslinking and graft copolymerization of polymeric materials, widely used for modifying the properties of polymer materials such as polyolefin, acrylic, polycarbonate and polyether, etc.. Characteristics Appearance White to light yellow flakes Odor Faint Active material ≥95.0 Density 1.1g/cm3(20℃/ 68℉) Melting point/freezing point 90 - 110 ℃ / 194 - 230 ℉ Specific gravity =1.1 (20℃/ 68℉) Melting range 90-110℃ Bulk density 0.45 g/cm(20℃/ 68℉) Boiling point 306.1°C at 760 mmHg Flashing point 142.7°C Solubility Insoluble (20℃/ 68℉) ; Soluble in toluene (20℃/ 68℉)
As a new polymer additive, FARIDA DMDPB can be used as synergist for flame retardancy, and catalyzator or initiator for the crosslinking and graft copolymerization of polymeric materials, widely used for modifying the properties of polymer materials such