N-O Dimethylhydroxylamine Hydrochloride (N-O Dimethylhydroxylamine HCl) 1. Chemical Identity Chemical Name: N-O Dimethylhydroxylamine Hydrochloride Other Names: N,N-Dimethylhydroxylamine hydrochloride, DMHA·HCl Molecular Formula: C?H?ClNO Molecular