Fierz-David, H. E. (Hans Eduard), b. 1882, Mason, Frederick Alfred, 1888- · New York, D. Van Nostrand · leaf 159
DYES I2O Dianil Brown 3GN. Formula : COOH … NH This dye is one of the most frequently used direct azo colours, as it is extraordinarily strong. It is, however, not fast to acids or light. First of all the monoazo dye Sulphochrysoidine G : H2N is prepared in the following manner : 17*3 gms. (i/io mol.) sul- i/io mol. Diazotized phanilic acid…
Dyes and dyeing -- Chemistry
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