Detail of "2039-89-6"

CAS Number:
2039-89-6
Name:
Benzene,2-ethenyl-1,4-dimethyl-
Molecular Structure:
Formula:
C₁₀H₁₂
Molecular Weight:
132.2
Synonyms:
Styrene,2,5-dimethyl- (7CI,8CI);1,4-Dimethyl-2-vinylbenzene;2,5-Dimethylstyrene;NSC73477;
EINECS:
218-028-9
Density:
0.893 g/cm³
Melting Point:
-35 °C
Boiling Point:
194.1 °C at 760 mmHg
Flash Point:
58.8 °C
Hazard Symbols:
Xi
Risk Codes:
36/37/38
Safety:
26-36/37/39 Details

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Studies of the polymerization of dimethylstyrenes: Studies of the polymerization of dimethylstyrenes.Several substances are used for example 10294-34-5 and 7550-45-0 which are their cas registry numbers. IV. Cationic copolymerization of dimethylstyrenes and styrene by Lewis acid as catalyst. Yamamoto, Seika; Tatsumi, Masakazu (Fac. Eng., Kansai Univ., Suita, Japan). Kobunshi Ronbunshu, 34(3), 235-40 (Japanese) 1977. CODEN: KBRBA3. DOCUMENT TYPE: Journal CA Section: 35 (Synthetic High Polymers) The reactivity ratios in cationic polymn. of 2,4-dimethylstyrene [2234-20-0], 2,5-dimethylstyrene [2039-89-6], 2,6-dimethylstyrene [2039-90-9], 3,4-dimethylstyrene [27831-13-6], and 3,5-dimethylstyrene [5379-20-4] with styrene [100-42-5] in the presence of SnCl4, TiCl4, BBr3, AlBr3, or BCl3 in CHCl3, ClCH2CH2Cl, or PhNO2 change depending on the acidity of the catalysts, the dielec. const. of the solvents, and the structure of the monomers. .