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C 6 H 6 + C 2 H 4 → C 6 H 5 C 2 H 5. The diethylbenzene is an inadvertent side product. C 6 H 5 C 2 H 5 + C 2 H 4 → C 6 H 4 (C 2 H 5) 2. Using shape-selective zeolite catalysts, the para isomer can be produced in high selectivity. Much diethylbenzene is recycled by transalkylation to give ethylbenzene: [1] C 6 H 4 (C 2 H 5) 2 + C 6 H 6 → ...
The saturated compounds have formula C 10 H 14 and molecular weight 134.22 g/mol. C 4-benzenes are found in ... 1,3-Diethylbenzene. 1,4-Diethylbenzene. o-Cymene. m ...
It is produced by dehydrogenation of diethylbenzene: C 6 H 4 (C 2 H 5) 2 → C 6 H 4 (C 2 H 3) 2 + 2 H 2. Divinylbenzene is usually encountered as a 2:1 mixture of m- and p-divinylbenzene, containing also the corresponding isomers of ethylvinylbenzene. Styrene and divinylbenzene react to form the copolymer styrene-divinylbenzene, S-DVB or Sty-DVB.
30.77 kJ/mol at 80.1 °C Std entropy change of vaporization, Δ vap S o: 113.6 J/(mol·K) at 25 °C 87.1 J/(mol·K) at 80.1 °C Solid properties Std enthalpy change of formation, Δ f H o solid? kJ/mol Standard molar entropy, S o solid: 45.56 J/(mol K) Heat capacity, c p: 118.4 J/(mol K) at 0 °C Liquid properties Std enthalpy change of ...
Color Developing Agent 1 (CD-1) is the first in the series of color developing agents used in developing color films. It is the organic compound N , N -diethyl-1,4-benzenediamine (DPD), which is usually in the form of the mono hydrochloride salt. [ 1 ]
Around 9.4% of those adults had severe obesity. Dr. Brett Osborn, a neurosurgeon, longevity expert and fitness competitor based in Florida, agrees that BMI is an "outdated measure" for diagnosing ...
The p-stands for para-, indicating that the two methyl groups in p-xylene occupy the diametrically opposite substituent positions 1 and 4. It is in the positions of the two methyl groups, their arene substitution pattern, that it differs from the other isomers, o-xylene and m-xylene. All have the same chemical formula C 6 H 4 (CH 3) 2. All ...
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