A Dictionary of Chemistry And the Allied Branches of Other Sciences volume 4
A Dictionary of Chemistry And the Allied Branches of Other Sciences volume 4
Henry Watts
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Cvii. 243. ) Benzoxyphenic acid, C 8 H 4 (C 7 H 5 0) 2 2, is obtained in like manner as a viscid mass which solidifies in the crystalline state after a few days. It is insoluble in water, easily soluble in alkalis and in alcohol, and crystallises from the latter in funnel-shaped masses of rhombic crystals. The solution colours iron-salts green. (Nachbaur. ) OXYPHENYIi-STTLPHTTRIC ACID. C 6 H 6 S0 4 . This acid is formed, with evolution of nitrogen, when the aqueous solution of diazophenyl-sulph...uric acid, C 6 H 4 N 2 S0 3, is heated above 60. Its silver-salt, C 6 H 5 AgS0 4, crystallises in small needles. (B. Schmitt, Ann. Ch, Pharm. Cxii. 118. ) OXYPETTCEDAK'IW. See PEUCEDANIN. OXYPHORPH YRIC ACID. A mtro-acid produced by the action of nitric acid on euxanthone (ii. 610). OXYPICRIC ACID. C 6 H 3 N S 8 = C 6 H 3 (NO S ) S 2 . Stypknic acid (from ffrvQvfa, astringent). Artificial bitter or artificial tannin of Brazil wood-extract. This acid, which differs from picric or trinitrophenic acid by 1 at.
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