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NITRO DERIVATIVES OF PHENOL 491 Heat of nitration. The heat of conversion of phenol into picric acid has been calculated on the ...

492 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES Constituents Picric acid with α− benzylnaphthalene α− chloronaphthalene α− bromonapht ...

NITRO DERIVATIVES OF PHENOL^493 Violent boiling of picric acid with a concentrated solution of sodium hydroxide may bring about ...

494 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES with metals, since in the molten state it forms picrates which may initiate explosion ...

Density 0.7 0.9 1.1 1.23 1.30 1.32 1.41 1.47 1.49 1.50 1.54 1.56 NITRO DERIVATIVES OF PHENOL^495 TABLE 116 RATE OF DETONATION OF ...

496 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES spiratory tract and of the middle ear. Instances of perforation of the nasal wall are ...

NITRO DERIVATIVES OF PHENOL^497 J. KENDALL and C. D. CARPENTER, J. Am. Chem. Soc. 36, 2510 (1914). G. KÖRNER, Juhresber. 1867, ...

498 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES W. H. RINKENBACH, J. Am. Chem. Soc. 52, 115 (1930). N. N. JEFREMOV, Izvest. Znst. Fi ...

CHAPTER XIV MANUFACTURE OF PICRIC ACID PRINCIPLES OF MANUFACTURE PICRIC acid is produced either by nitrating phenol or by nitrat ...

500 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES At room temperature the conversion proceeds slowly, whereas it occurs rapidly on heat ...

MANUFACTURE OF PICRIC ACID^501 Phenoltrisulphonic acid is formed only when using an excess of 20% oleum. The second stage in the ...

502 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES As this scheme indicates, phenolsulphonic acid is first nitrated to 2-nitro-4-sul- ph ...

MANUFACTURE OF PICRIC ACID^503 The reactions occurring in nitration with sodium nitrate are as follows: NaNO 3 + H 2 SO 4 -> ...

504 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES TABLE 118 Grades I II III General appearance crystalline powder free from foreign mat ...

MANUFACTURE OF PICRIC ACID 505 Pascal [2] describes it as follows. Phenol, which is supplied in iron drums, is melted by placing ...

506 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES If concentrated (98%) sulphuric acid has been used for the sulphonation, the sulphoph ...

MANUFACTURE OF PICRIC ACID 507 in the widest part, 1.35 m in height). The lids of the jars are equipped with two wide entry hole ...

508 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES After one hour a temperature of 115-120°C is attained. All the sulphophenol should be ...

MANUFACTURE OF PICRIC ACID 509 temperature. On the other hand, insufficient mixing may cause the formation of undesired lumps of ...

510 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES cement and are reinforced from outside by tarred sheet iron tightened by hoops. The t ...