Sodium Dibunate
Title: Sodium Dibunate
CAS Registry Number: 14992-59-7
CAS Name: 2,6-Bis(1,1-dimethylethyl)-1-naphthalenesulfonic acid sodium salt
Manufacturers' Codes: L-1633; 1633 Labaz
Trademarks: Becantal; Becantex; Dibunafon; Keuten; Linctussal
Molecular Formula: C18H23NaO3S
Molecular Weight: 342.43
Percent Composition: C 63.13%, H 6.77%, Na 6.71%, O 14.02%, S 9.36%
Literature References: Although most sources refer to this compound as sodium 2,6-di-tert-butylnaphthalene sulfonate, it is a mixture of at least two isomers. Prepn and separation of isomers: Menard et al., Can. J. Chem. 39, 729 (1961).
Properties: Slightly hygroscopic crystals, dec >300°. Slightly sol in cold water (0.5-1.0%); freely sol in hot water; sol in methanol, less sol in ethanol. Aq solns are stable to boiling.
Therap-Cat: Antitussive.
Keywords: Antitussive.

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