8941. Sulfarsphenamine

Nomenclature

CAS number: 618-82-6
[1,2-Diarsenediylbis[(6-hydroxy-3,1-phenylene)imino]]bismethanesulfonic acid disodium salt; disodium 3,3′-diamino-4,4′-dihydroxyarsenobenzene N-dimethylenesulfonate; sulfarsenobenzene; Karsulphan; Myosalvarsan; Myarsenol; Metarsenobillon; Thiosarmine.
C14H14As2N2Na2O8S2; mol wt 598.22.
C 28.11%, H 2.36%, As 25.05%, N 4.68%, Na 7.69%, O 21.40%, S 10.72%.

Description and references

Prepn: C. Voegtlin, J. M. Johnson, J. Am. Chem. Soc. 44, 2573 (1922); W. J. C. Dyke, H. King, J. Chem. Soc. 1935, 1745.

Chemical structure

Properties

Yellow, odorless, or almost odorless powder. Very sol in water, slightly in alcohol. The aq soln is usually slightly acid. Keep in evacuated or in inert gas-filled ampuls.

Therapeutic Category

Formerly as antisyphilitic.

Therapeutic Category (Veterinary)

Has been used as antibacterial.