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2 → C 6 H 4 Cl 2 + HCl. The reaction also affords the 1,4- and small amounts of the 1,3-isomer. The 1,4- isomer is preferred over the 1,2- isomer due to steric hindrance. The 1,3- isomer is uncommon because it is a meta- compound, while chlorine, like all halogens, is an ortho/para-director in terms of electrophilic aromatic substitution.
1,2-Dichlorobenzene or ortho-dichlorobenzene; 1,3-Dichlorobenzene or meta-dichlorobenzene; 1,4-Dichlorobenzene or para-dichlorobenzene. All three isomers are colorless chlorobenzenes with the formula C 6 H 4 Cl 2. They differ structurally based on where the two chlorine atoms are attached to the ring.
They have the formula C 6 H 6–n Cl n, where n = 1–6 is the number of chlorine atoms. Depending on the number of chlorine substituents, there may be several constitutional isomers possible. Monochlorobenzene; Dichlorobenzene. 1,2-Dichlorobenzene; 1,3-Dichlorobenzene; 1,4-Dichlorobenzene; Trichlorobenzene. 1,2,3-Trichlorobenzene; 1,2,4 ...
1.5241 Abbe number? Dielectric constant, ε r: 5.6895 at 293.2 K Bond strength? Bond length? Bond angle? Magnetic susceptibility, χ m: 69.5 x10 −6 cm 3 mol −1: Surface tension, 34.78 dyn/cm at 10°C 32.99 dyn/cm at 25°C 30.02 dyn/cm at 50°C 27.04 dyn/cm at 75°C 24.06 dyn/cm at 100°C Speed of Sound: 1311 m/s at 20°C
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Ball-and-stick model of the 1,2-dichlorobenzene molecule, C 6 H 4 Cl 2, as found in the crystal structure. Structure determined by single-crystal X-ray diffraction reported in Acta Cryst. (2007) B63, 124–131 (CSD Entry: ABUMIT01). CAS ® Registry Number: 95-50-1. Colour code: Carbon, C: dark-grey Hydrogen, H: light-grey Chlorine, Cl: green
log 10 of 1,2-dichloroethane vapor pressure. Uses formula: log e P m m H g = {\displaystyle \scriptstyle \log _{e}P_{mmHg}=} log e ( 760 101.325 ) − 10.38248 log e ( T + 273.15 ) − 6904.904 T + 273.15 + 83.96795 + 8.368130 × 10 − 6 ( T + 273.15 ) 2 {\displaystyle \scriptstyle \log _{e}({\frac {760}{101.325}})-10.38248\log _{e ...
1,2-Dichloro-4-nitrobenzene is an organic compound with the formula 1,2-Cl 2 C 6 H 3-4-NO 2. This pale yellow solid is related to 1,2-dichlorobenzene by the replacement of one H atom with a nitro functional group. This compound is an intermediate in the synthesis of agrochemicals.