7-Benzanthrone-3-sulfonic acid

Among anthraquiaoae dyes (see Dyes, anthraquinone). Acid Blue 78 [6424-75-5] C2 H25BrN20 S -Na, or Alizarin Pure Blue B, is a wool dye. Bromamine acid [116-81-4] (l-amiao-4-bromoanthraquiaoae-2-sulfonic acid), C24HgBrNO S, is a useful dye iatermediate. A number of bromo anthraquiaoae, pyrathroae, and benzanthrone dyes are known. [Pg.297]

Oxobenz (de) anthracene. See Benzanthrone P-Oxobenzenepropanoic acid ethyl ester. See Ethyl benzoyl acetate 2-Oxo-1,2-benzopyran. SeeCoumarin 2-Oxobornane. See Camphor a-(2-Oxoborn-3-ylidene) toluene-4 sulfonic acid. See Benzylidene camphor sulfonic acid... [Pg.3010]

Ammonium acetate Aniline Benzanthrone Bromine Carmine (Coccus cacti) Carminic acid 2-Chlorophenol Crystal violet lactone Diaminodiphenic acid Di-n-amylamine Diazoaminobenzene o,a-Dichlorotoluene Dimethoxypropane 4-Dimethylaminoazobenzene-4-sulfonic acid, sodium salt p-Dimethylaminobenzaldehyde 4-Dimethylaminobenzene 6-Dimethylaminophenylazobenzothiazole N,N-Dimethylaniline Dinitrotoluene 2,4-Dinitrotoluene Direct blue 8 Direct blue 10 Direct blue 25 Direct blue 218 Direct orange 6 Direct violet 32 Disperse blue 7 Disperse red 60 Dodecene-1 N-(p-Ethoxycarbonylphenyl)-N -ethyl-N -phenylformamidine Ethylene cyanohydrin Ethylene thiourea... [Pg.5132]

Benzanthrone 230 reacts with chlorosulfonic acid (one equivalent) in tetrachloroethane to give mainly the 3-sulfonic acid while further sulfonation yields the 3,9-disulfonic acid. " ... [Pg.80]

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