from The Century Dictionary and Cyclopedia
- n. A univalent organic radical, . Derivatives of both forms are known, those of the latter being termed benzenediazonium compounds.
Sorry, no etymologies found.
These diazo compounds are distinguished by their active properties, especially in combining with amines in acid solutions, or with phenols in alkaline solution to form the azo dyes, thus diazobenzene chloride will combine with naphthol to form naphthol-azo-benzene, thus: --
C_6H_5N_3, which is prepared by the addition of ammonia to diazobenzene perbromide.
Somewhat later, they found that it could be prepared from diazobenzene imide, provided a nitro group were present in the ortho or para position to the diazo group.
It may be prepared by the action of ammonia on diazobenzene perbromide; by the action of hydroxylamine on a diazonium sulphate (K. Heumann and L. Oeconomides,