3047. Dichloramine T

Nomenclature

CAS number: 473-34-7
N,N-Dichloro-4-methylbenzenesulfonamide; N,N-dichloro-p-toluenesulfonamide; p-toluenesulfonic acid dichloramide.
C7H7Cl2NO2S; mol wt 240.11.
C 35.02%, H 2.94%, Cl 29.53%, N 5.83%, O 13.33%, S 13.35%.

Description and references

Prepn from p-toluenesulfonic acid: Soper, J. Chem. Soc. 125, 1899 (1924); van Andel, US 2495489 (1950 to Shell).

Chemical structure

Properties

Prisms from chloroform + petr ether, mp 83°. Strong chlorine odor; dec on exposure to air with loss of chlorine. mp about 80°. Almost insol in water, dec by alcohol when warmed; one gram dissolves in about 1 ml benzene, 1 ml chloroform, 2.5 ml carbon tetrachloride; sol in eucalyptol, chlorinated paraffin hydrocarbons, glacial acetic acid; slightly sol in petr ether. Keep well closed and protected from light.

Use

Germicide.

Therapeutic Category

Antibacterial.

Keywords

Antibacterial (Synthetic); Sulfonamides