beta-naphthylamine

American  

[bey-tuh-naf-thuh-luh-meen, -nap-, bee-] / ˈbeɪ təˈnæf θə ləˌmin, -ˈnæp-, ˈbi- /

noun

Chemistry.

1. a white to reddish, crystalline, water-soluble, extremely toxic solid, C 10 H 9 N, used chiefly in the manufacture of azo dyes.

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Etymology

Origin of beta-naphthylamine

beta + naphthyl + amine

Example Sentences

Among them: > The Labor Department's 1973 declaration of zero tolerance levels in industry for ten widely used chemicals, including benzidine and beta-naphthylamine.

From Time Magazine Archive

As far as we know, and we have checked with all of the important technical experts in the lipstick field, beta-naphthylamine is not used in lipstick at all.

From Time Magazine Archive

The developing bath is made from 1¾ lb. beta-naphthylamine dissolved with the aid of 10 pints boiling water and 1 pint hydrochloric acid.

From The Dyeing of Cotton Fabrics A Practical Handbook for the Dyer and Student by Beech, Franklin

Similarly there are two amidonaphthalenes, known as alpha- and beta-naphthylamine respectively.

From Coal and What We Get from It by Meldola, Raphael