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N-(1-Naphthyl)ethylenediamine dihydrochloride is a simple diamine reported as a coupling agent in spectrophotometric analysis of thiols, aromatic amines, sulfonamides, aminophenols, dinitroanilines, and chloroanilines.
N 1367 (OTTO) N-(1-Naphthyl)ethylenediamine dihydrochloride, GR 99%+ Cas no 1465-25-4 - used in the quantitative analysis of nitrate and nitrite in water samples by colorimetry