Title: Chloramine-T
CAS Registry Number: 127-65-1
CAS Name: N-Chloro-4-methylbenzenesulfonamide sodium salt
Additional Names: (N-chloro-p-toluenesulfonamido)sodium; sodium p-toluenesulfonchloramide; chloramine; tosylchloramide sodium
Trademarks: Chlorazene (WPC); Euclorina (Bracco); Halamid (Akzo)
Molecular Formula: C7H7ClNNaO2S
Molecular Weight: 227.64
Percent Composition: C 36.93%, H 3.10%, Cl 15.57%, N 6.15%, Na 10.10%, O 14.06%, S 14.09%
Literature References: Prepd via p-toluenesulfonamide: Chattaway, J. Chem. Soc. 87, 145 (1905); Inglis, J. Soc. Chem. Ind. London 37, 288 (1918); F. J. Welcher, Organic Analytical Reagents vol. 4 (Van Nostrand, New York, 1948) pp 316-320. Brief review of synthetic applications: G. Agnihotri, Synlett 2005, 2857-2858.
Derivative Type: Trihydrate
CAS Registry Number: 7080-50-4
Properties: Prisms. Loses water on drying. Dec slowly on exposure to air. Keep well closed. Fairly sol in water. Practically insol in benzene, chloroform, ether. Dec by alc.
Use: Detection of bromate and halogens. Source of halonium ions and nitrogen anions in organic synthesis.
Therap-Cat: Antibacterial.
Therap-Cat-Vet: Antiseptic (topical).
Keywords: Antibacterial (Synthetic); Sulfonamides.
Chloraminophenamide Chloramphenicol Chloranil Chloranilic Acid Chlorazanil

Chloramine T.svg
CAS number 127-65-1 YesY, 7080-50-4 (trihydrate)
PubChem 10198484, 31388 (free acid)
ChemSpider 2876055 YesY, 29119 (free acid)
UNII 328AS34YM6 N, 4IU6VSV0EI (trihydrate)
KEGG D02445 YesY
ATC code D08AX04,QP53AB04
Jmol-3D images Image 1
Molecular formula C7H7ClNO2S·Na (3H2O)
Molar mass 227.64 g/mol in usual tri-hydrated form 282 Daltons.
Appearance white powder
Density 1.4 g/cm³
Melting point releases chlorine at 130 °C
solid melts at 167–169 °C
Solubility in water 15% in water (25 °C)
7.5% in rectified spirit (20 °C)
insoluble in benzene and ethers
R-phrases R22 R31 R34 R42
S-phrases (S1/2) S7 S22 S26 S36/37/39 S45
Main hazards Corrosive
 N (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Tosylchloramide or N-chloro tosylamide, sodium salt, sold as chloramine-T, is a N-chlorinated and N-deprotonated sulfonamide used as a biocide and a mild disinfectant. It is a white powder that gives unstable solutions with water. Trade names of chloramine-T products include Chloraseptin, Chlorazol, Clorina, Disifin, Halamid, Hydroclonazone, Trichlorol, Minachlor, and generic Chloramin T or Tosylchloramide Sodium, among others.