From the primary amines are derived the diazo compounds and azo compounds; closely related are the hydrazines (q.v.).   anvd [Please select]

C{6}H{4}NO{2}N: NCl + NaCl + 2H{2}0 = Paranitro benzene Sodium chloride, Water, diazo chloride.   anvd [Please select]

The diazo compounds formed on the fibre are not very stable bodies.   anvd [Please select]

; for dark blues from Diamine blues, Diazo blues, etc.   anvd [Please select]

Phenylene diamine for blacks from Diamine blacks, Diazo blacks, Zambesi blacks, Triamine blacks, etc.   anvd [Please select]

; for dark browns from Diamine browns, Diazo browns, etc.   anvd [Please select]

When this compound is combined with naphthol diazo-azo dyes are produced.   anvd [Please select]

Now the diazo compounds are rather unstable bodies, but they have a great affinity for other compounds, such as naphthol, phenylene diamine, phenol, and combine easily with them when brought into contact with them.   anvd [Please select]

Those most in use are beta-naphthol for red from Primuline, and for bluish blacks from Diamine blacks, Diazo blacks, Zambesi blacks, etc.   anvd [Please select]