noun[mass noun] Chemistry
A crystalline solid derived from naphthalene, used to make antiseptics and dyes.
- Chemical formula: C10H7OH; two isomers, especially naphthalen-2-ol (β-naphthol).
- Some of the dyes to which chromophores give a vibrant color are naphthol yellow, vat blue, congo red, and methylene blue.
- Finally, it is mixed with naphthol to produce carbaryl.
- Certain molecules such as 1 - naphthol, its derivatives, and carbazole show remarkable enhancement in their acidity in the excited singlet state.
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