naphthalenesulfonic acid

noun naph·tha·lene·sul·fon·ic acid

Medical Definition of NAPHTHALENESULFONIC ACID

: either of two crystalline acids C₁₀H₈SO₃ obtained by sulfonation of naphthalene and used in the synthesis of dyes and naphthols

naph·tha·lene·sul·fon·ic acid or chiefly British naph·tha·lene·sul·phon·ic acid \-ˌsəl-ˌfän-ik-, -ˌfōn-\

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