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AROMATIC NITRO COMPOUNDS 229 F. S. BROW, J. Chem. Soc. 127, 345 (1925). T. S. MOORE, F. SHEPHERD and E. GOODALL, J. Chem. Soc. ...

CHAPTER VII NITRO DERIVATIVES OF BENZENE ONE or two nitro groups can be introduced by the direct nitration of benzene. The intro ...

NITRO DERIVATIVES OF BENZENE In waste acid of the composition: 0.5% of HNO 3 , 74.5% of H 2 SO 4 , and 25% of H 2 O, nitrobenzen ...

232 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES dizziness, and disturbed functioning of the stomach. A blue tinge of the lips and fac ...

NITRO DERIVATIVES OF BENZENE^233 However, the nitrobenzene obtained still contains some acid. To remove it the product is washed ...

234 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES PHYSICAL PROPERTIES The boiling points of the ortho-, meta-, and para- isomers are 31 ...

NITRO DERIVATIVES OF BENZENE 235 TABLB 33 SOLUBILITY OF DINITROBENZENES Solvent Temperature °C Methanol 20.2 Ethanol 20.5 Propan ...

236 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES Three-component systems with m- dinitrobenzene have been studied by Khai- bashev and ...

NITRO DERIVATIVES OF BENZENE 237 m-Dinitrobenzene reacts with a 20% solution of sodium hydroxide only when boiled. One of its ni ...

238 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES (4c) A side reaction yields m- nitroaniline: (4d) (4e) (4f) Also as result of hydroly ...

NITRO DERIVATIVES OF BENZENE 239 V The proportion of the compounds is: III-80%, IV-13%, V-7%. As m- dinitrobenzene reacts with s ...

240 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES m- Dinitrobenzene also forms an addition product with nitrobenzene which, according t ...

NITRO DERIVATIVES OF BENZENE 241 Year 1917 1918 used cases of poisoning in Germany were exceptionally numerous. Poisoning cases, ...

242 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES poisoned in the year 1918, 146 of them were poisoned for the first time, 10 for the s ...

NITRO DERIVATIVES OF BENZENE^243 Clearly, higher temperatures enhance the formation of the o-isomer at the expense of the m- iso ...

244 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES In 1933, Hetherington and Masson [33] made a systematic study of nitration of nitrobe ...

NITRO DERIVATIVES OF BENZENE^245 FIG. 48. Change in molecular composition of acids during nitration. AB - the curve of limiting ...

246 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES capacity already containing the spent acid from the previous nitration. The mixture i ...

NITRO DERIVATIVES OF BENZENE 247 by a wire gauze, which retains the dinitrobenzene crystals, while the liquor runs into an outle ...

248 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES is washed with water, and then transferred in a molten state to a purification unit. ...