Compound Q&A

What is 2-Naphthalenesulfonic acid (CAS: 120-18-3)?

Answer

2-Naphthalenesulfonic acid
2-Naphthalenesulfonic acid (CAS: 120-18-3) is a sulfonic acid derivative of naphthalene with the chemical formula C10H8SO3. It is a white crystalline solid, soluble in water and organic solvents, and exhibits acidic properties due to the sulfonyl group. Commonly used as a precursor in organic synthesis, it plays a key role in producing dyes, pharmaceuticals, and other industrial chemicals.

About

CAS No 120-18-3
English Name 2-Naphthalenesulfonic acid
Molecular Formula C10H8O3S
Molecular Weight 208.24 g/mol
SMILES C1=CC=C2C=C(C=CC2=C1)S(=O)(=O)O
InChIKey KVBGVZZKJNLNJU-UHFFFAOYSA-N
Last Updated: 2025-08-25 01:09

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