[2] D. R. P. 226,225; Frdl. 10, 167 (1910). The method described above is a modification of a patented process,[3] in which trinitrotoluene suspended in sulfuric acid is treated with chromic anhydride. [3] D. R. P. 127,325; Frdl. 6, 148 (1901). INDEX A Acetic acid, 18, 33, 64 Acetone, 41 Acetophenone, 1 Ammonium carbonate, 75 Ammonium hydroxide, 37, 75 Aniline, 71, 79 Anthranilic acid, 47 B Benzalacetophenone, 1 Benzaldehyde, 1, 5 Benzoic acid, 5 Benzyl alcohol, 5 Benzyl benzoate, 6 Benzyl chloride 9 Benzyl cyanide, 9-11, 27, 57, 63 Bromostyrene, 67 C Carbon tetrachloride, 23 Chlorine, 37 Copper sulfate, 38 D Dibenzyl ether, 6 a, g-Dichloroacetone, 13-15 Dimethylaminobenzaldehyde, 17-21 Dimethylaniline, 17, 47 E Ethyl alcohol, 23, 27 Ethyl oxalate, 23-26 Ethyl phenylacetate, 27-28 F Ferrous sulfate, 79 Formaldehyde, 17 G Gelatine solution, 37 Glycerol, 29, 33, 79 Glycerol a, g-dichlorohydrin, 29-31 Glycerol a-monochlorohydrin, 33-35 H Hydrazine sulfate, 37 40 Hydrochloric acid, 17, 30, 34, 47, 71 Hydroquinone, 85 M Mesitylene, 41-45 Methyl red, 47-61 N Naphthol, 61 Nitric acid, 57 Nitrobenzene, 79 _p_-Nitrobenzoic acid, 63-66 _p_-Nitrobenzyl cyanide, 67-58, 59 _p_-Nitrophenylacetic acid, 6940 Nitrosodimethylaniline hydrochloride, 17 Nitroso-,3-naphthol, 61-62 Nitrotoluene, 53 O Oxalic acid, 23 P Phenylacetic acid, 10, 63-65 Phenylacetylene, 67-69 Phenylhydrazine, 71-74 Phthalic anhydride, 75 Phthalimide, 7~78 Potassium hydroxide, 67 Q Quinoline, 79 83 Quinone, 86 88 S Sodium acetate, 48 Sodium benzylate, 6 Sodium cyanide, 9 Sodium dichromate, 13, 53, 85, 95 Sodium hydroxide, 1, 37, 61, 93 Sodium hypochlorite, 37 Sodium, metallic, 5, 42 Sodium nitrite, 17, 47, 61, 71, 80 Sodium sulfite, 71 Sodium _p_-toluene sulfinate,--91 Sulfur dioxide, 71 Sulfuric acid, 13, 27, 30. 34, 37, 41, 43, 53, 57, 59, 63, 79, 85, 95 T Toluene, 48 Toluenesulfonyl chloride, 89 I, 3, s-Trinitrobenzene, 93-- 94, 96 2, 4, 6-Trinitrobenzoic acid, 93, 96 97 2, 4, 6-Trinitrotoluene, 93, 95 Zinc dust, 89