Chloramine B

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White powder with a faint chlorine odor. Chloramine B was first introduced as a bleach for paper in 1937, however it is no longer in use. Chloramine B in weak solutions (2%) initially appeared to be a satisfactory easily controllable bleach. However, it reacts with aluminum and other metals to form insoluble precipitates that are difficult to remove. Residual chloramine B may continue to bleach for many months. It has also been used as an antiseptic.

See also Chloramine T.

Synonyms and Related Terms

n-chlorobenzenesulfonamido; sodium benzenesulfochloramine; chlorimine (sp)


  • Toxic chlorine gas is formed when mixed with ammonia.
  • Guidechem: SDS

Physical and Chemical Properties

Soluble in water, ethanol. Slightly soluble in ether, chloroform.

Composition C6H5ClNNaO2S
Molecular Weight mol. wt. = 213.62

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