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1-Hydroxynaphthalene-4-sulfonic acid
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Neville-Winther acid.svg 100px Nevile and Winther’s acid, NW acid1-Naphthol-4-sulfonic acid 84-87-7 correct CAS 2312197 6533 201-568-4 6791 6W41U3C9YN 1S/C10H8O4S/c11-9-5-6-10(15(12,13)14)8-4-2-1-3-7(8)9/h1-6,11H,(H,12,13,14) HGWQOFDAUWCQDA-UHFFFAOYSA-N C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)O
10 8 1 4 white solid 1-Naphthol-4-sulfonic acid https://pubchem.ncbi.nlm.nih.gov/compound/6791#section=Safety-and-Hazards pubchem.ncbi.nlm.nih.gov en 07 Warning 315 319 264 264+265 280 302+352 305+351+338 321 332+317 337+317 362+364
1-Hydroxynaphthalene-4-sulfonic acid is an organic compound with the formula C10H6(OH)SO3H. It is one of 14 hydroxynaphthalenesulfonic acids. It is a colorless solid. It is a precursor to azo dyes Acid orange 19, Mordant Brown 35, and Food Red 3.Booth Gerald Ullmann's Encyclopedia of Industrial Chemistry Naphthalene Derivatives 2000 10.1002/14356007.a17_009 978-3-527-30385-4
References
Category:Naphthols
Category:Naphthalenesulfonic acids