on the Physical Properties of Compounds. 



119 



Diphenide . . 

 Ditolide .... 



Ph.Pb. 



VIII. 



XHC=CHX. H 2 C=CX2. 



L20 (stilbene) Liquid. 



C,H 7 .C T H 7 { 1?6 gS^} Liquid. 



IX. 



Diderivatives of Benzene. 







Para 



Meta 



Ortho 







X 



X 



X 







A 



A 



A 







1.4 



1.3 





1.2 









x 



\/ 



X 



\y 





Dichlorbenzene 



CI. a 



53 



Lat-18 



L at - 14 





Br. Br 



89 



-28 



-1 



Diiodobenzene 



I.I 



127 



40 



94 



Dieyanobenzene 



CE.CS 



222 



158 







CI. I 



56 





L 





Br. I 

 OH. OH 



92 

 172 



L 



99 



L 



112 



Dihydroxybenzene 



Disulphydrobenzene 



SH.SH 



98 



27 







2f 2 . XO 



171 



90 



118 





KH, . HH_ 

 N0 2 . Br 



140 



63 



99 



Xitrobroinobenzene 



126 



56 



41-5 





If O s . CI 



83 



44 



32 



2fitroiodobenzene 



If o . I 



171 



36 



49 



Amidobromobenzene 



HH, . Br 



64 



18 



31 



Amidocblorobenzene 



xh . ci 



70 



L 



Laboye — 14 



Amidoiodobenzene 



XH, . I 



60 



25 





Amidonitrobenzene 



2fH", . XO, 



146 



110 



71 



Dimetbylbenzene 



ch; . CH 3 



15 



L 



L 





Ph'.Pb 



205 



1-3 or 1-2 



L 



Tolyldipenylmethane 



Me . (CHPh„) 



71 



59 '5 or L 



L or 59-5 



Methyl cblorobenzene ...... 



Me. CI 



6-5 



L 



L 



Methyl bromobenzene 



Me. Br 



28 



L 



L 





Me I 



35 



L 



L 



Metbyl amidobenzene 



Me . XH, 



45 



L 



L 



Phenyl cblorobenzene 



Pb.Cl 



75 





4 



Phenyl bromobenzene 



Ph. Br 



89 





L 



Pbenyl amidobenzene 



Ph . NH. 



50 





48 



Di-(amidomethyl)benzene .. 



l CH,.rfH )(CH .XH 2 ) 



99 



89 





Hydroxy-carboxyl benzene. 



OH . COOH 



210 



200 



156 



Methoxy-earboxylbenzene . 



OCH 3 . COOH 



175 



106 



99 



Ethoxy-carboxylbenzene ... 



OEt.COOH 



195 



137 



20 



Fluo-earboxyl benzene 



E.COOH 



182 



123 





Chloro-carboxyl benzene .. 



CI . COOH 



234 



152 



137 



Eromo-carboxyl benzene . . 



Br . COOH 



250 



155 



148 



Iodo-carborvl benzene 



I . COOH 



267 



185 



159 



Hydroxy-potassiimi-sul- "1 

 phobenzene J 



OH . S0 3 K 



not at 260 



200 



240 



B^ornhydrox^ benzene 



OH. Br 



64 



32 



L 



Xitro-earboxyl benzene .. 



COOH . NO. 



240 



141 



143 



Amido-carboxyl benzene .. 



COOH . XH. 



187 



174 



144 



