Synonyms: 4-benzenediamine,n,n-dimethyl-sulfate(2:1);n,n-dimethyl-1,4-benzenediaminesulfate(2:1);n,n-dimethyl-p-phenylenediaminehemisulfate;n,n-dimethyl-p-phenylenediaminhemisulfate;N,N-DIMETHYL-P-PHENYLENEDIAMINE SULFATE;N,N-dimethylbenzene-1,4-diammonium sulphate;1,4-Benzenediamine, N,N-dimethyl-, sulfate (2:1);N,N-Dimethyl-1,4-phenylenediamine sulfate, (2:1) 99% (titr.)