HC Red No. 1

**Semantic type:** Indicator, Reagent, or Diagnostic Aid|Organic Chemical

**Synonyms:** - 1,4-benzenediamine, 2-nitro-n1-phenyl- - 1-anilino-4-amino-2-nitrobenzene - 2-nitro-4-amino-n-phenylaniline - 4-amino-2-nitrodiphenylamine - HC RED NO. 1 - P-phenylenediamine, 2-nitro-n1-phenyl-