1-Naphthalenesulfonic Acid
Structural Formula Vector Image
Title: 1-Naphthalenesulfonic Acid
CAS Registry Number: 85-47-2
Additional Names: a-Naphthalenesulfonic acid
Molecular Formula: C10H8O3S
Molecular Weight: 208.23
Percent Composition: C 57.68%, H 3.87%, O 23.05%, S 15.40%
Literature References: Made by sulfonating naphthalene with H2SO4 at 0°.
Properties: Crystals. mp 90° (dihydrate). Freely sol in water or alcohol, slightly in ether.
Melting point: mp 90° (dihydrate)
Use: Manuf a-naphthol. The sodium salt is used for rendering phenols sol in water.

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