H Acid
chemistry
Also known as: 8-amino-1-naphthol-3,6-disulfonic acid
Quick Summary
H acid, chemically known as 8-amino-1-naphthol-3,6-disulfonic acid, is a crystalline acid. It is derived from naphthalene and serves as a crucial intermediate in the production of dyes. This compound plays a role in the synthesis of azo dyes, which constitute over half of the commercial dyes produced today. H acid's structure, containing both hydroxyl and amino groups, allows it to be selectively coupled with two different diazo components in a two-step process, leading to a wide range of colors.12
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