Glauber's salt, then diazotise and develop withnaphthylamine ether.
Naphthylamine ether is also sent out in the form of a paste mixed with acid, and containing about 25 per cent.
The developing bath is a little more difficult to make, owing to the fact that it is more difficult to get the alpha-naphthylamine into solution.
Naphthylamine ether= is used as a developer for blues in conjunction with the Diamine blacks.
Many of the black dyes--Naphthol Black, Naphthylamine Blacks, (p.
Bead Holliday & Sons; the Naphthol and Naphthylamine Blacks of Leopold Cassella & Co.
Naphthol Yellow is of course a naphthol colour, whilst Vermilline Scarlet is a dye containing both naphthylamine and naphthol.
From naphthalene, either naphthylamine (a body like aniline) or naphthol (resembling phenol) may be prepared.
Manchester yellow discovered by Martius, leading to manufacture of alpha-naphthylamine and then to alpha-naphthol.
Similarly there are two amidonaphthalenes, known as alpha- and beta-naphthylamine respectively.
Just as aniline yellow when heated with aniline and an aniline salt gives induline, so amido-azonaphthalene when heated with naphthylamine and a salt of this base gives Magdala red.
Other dye-stuffs of a similar nature were introduced by Caro about the same time, and were prepared from the diazotised sulpho-acid of alpha-naphthylamine combined with the naphthols.
One of the first uses of alpha-naphthylamine has already been mentioned, viz.
A red colouring-matter possessing a beautiful fluorescence was afterwards (1869) made from this naphthylamine and introduced as "Magdala red.
These bases are alpha-naphthylamine and those of the aniline series.
It was made from alpha-naphthylamine by the action of nitrous and nitric acids.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "naphthylamine" in a variety of sentences. We hope that you will now be able to make sentences using this word.
