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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
Chemical Structure:
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 newpolymer additive, FARIDA DMDPBcan be usedas 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
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Appearance
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White to light yellow flakes
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Odor
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Faint
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Active material
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95.0% min.
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Density
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1.1g/cm3(20℃/ 68℉)
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Melting point/freezing point
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90 - 110 ℃ / 194 - 230 ℉
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Specific gravity
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=1.1 (20℃/ 68℉)
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Melting range
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90-110℃
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Bulk density
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0.45 g/cm(20℃/ 68℉)
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Boiling point
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306.1°C at 760 mmHg
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Flashing point
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142.7°C
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Solubility
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Insoluble (20℃/ 68℉) ; Soluble in toluene (20℃/ 68℉)
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