Schaeffer's salt

Schaeffer's salt

[′shā·fərz ‚sȯlt]
(organic chemistry)
HOC10SO3Na A light-yellow to pink, water-soluble powder; the sodium salt formed from 2-naphthol-6-sulfonic acid; used as an intermediate in synthesis of organic compounds.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.