Title: Bibrocathol
CAS Registry Number: 6915-57-7
CAS Name: 4,5,6,7-Tetrabromo-2-hydroxy-1,3,2-benzodioxabismole
Additional Names: tetrabromopyrocatechol bismuth derivative; bismuth tetrabromopyrocatechol; bibrocathin
Trademarks: Noviform (Dispersa); Posiformin (Ursapharm)
Molecular Formula: C6HBiBr4O3
Molecular Weight: 649.67
Percent Composition: C 11.09%, H 0.16%, Bi 32.17%, Br 49.20%, O 7.39%
Literature References: Prepn: Hundrup, Arch. Pharm. Chemi 54, 537 (1947), C.A. 42, 2727a (1948). Antibacterial activity: Frank, Stark, Pharm. Acta Helv. 29, 283 (1954). Identity tests: Hakkesteegt, Pharm. Weekbl. 99, 922 (1964).
Properties: Yellow, odorless, tasteless powder. Practically insol in water. Slightly sol in alcohol, ether. Dec in acid, alkalies.
Therap-Cat: Antiseptic.
Keywords: Antiseptic/Disinfectant; Halogens/Halogen Containing Compounds.
Bicalutamide Bicozamycin Bicuculline Bidisomide Bietamiverine

Structure of bibrocathol.png
Systematic (IUPAC) name
Clinical data
AHFS/ International Drug Names
Legal status  ?
Routes Topical (eye ointment)
CAS number 6915-57-7 N
ATC code S01AX05
PubChem CID 16683103
ChemSpider 11232581 YesY
Synonyms Bibrocathin
Tetrabromopyrocatechol bismuth
Chemical data
Formula C6HBiBr4O3 
Mol. mass 650.675 g/mol
 N (what is this?)  (verify)

Bibrocathol (INN, trade names Noviform and Posiformin) is the substance 4,5,6,7-Tetrabrom-1,3,2-benzodioxabismol-2-ol. It contains bismuth and is used to treat eye infections and control swelling.