Title: Tannoform
CAS Registry Number: 9010-29-1
CAS Name: Methyleneditannin
Additional Names: tannin-formaldehyde
Trademarks: Helgotan
Literature References: Prepd by condensing one mole formaldehyde with two moles tannin: Chemnitius, Pharm. Zentralhalle 68, 273 (1927); Schwyzer, Pharm. Ztg. 74, 1334 (1929).
Properties: Reddish, odorless, tasteless, bulky powder, mp ~230° with decompn. Practically insol in water; sol in alcohol, alkaline fluids.
Melting point: mp ~230° with decompn
Therap-Cat: Astringent.
Therap-Cat-Vet: Externally as astringent, antiseptic (skin lesions and otorrhea). Has been used internally for diarrhea.
Keywords: Astringent.
Status: This monograph has been retired and is no longer subject to revision or update. |