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Used for heavy-duty anti-corrosion coatings at the seaside, especially for seaside storage tanks.

1-naphthylamine (naphthylamine)


Dye and rubber anti-aging agent, can produce a variety of dyes and rubber anti-aging agents

Sodium 1-naphthylamine-4-sulfonate (1,4- sodium hydride)


For the synthesis of direct dyes, reactive dyes

1-naphthol-4-sulfonic acid (niven acid)


Dye and photographic paper N.W.ACID