137-09-7 2,4-DIAMINOPHENOL DIHYDROCHLORIDE 2,4-Diaminophenol HCl 2,4-Diaminophenol hydrochloride 4-Hydroxy-m-phenylenediammonium dichloride 64768-34-9 95-86-3 Acrol Amidol CCRIS 2118 Diamidophenol hydrochloride Dianol EINECS 205-279-4 HSDB 4363 NCI-C60026 NSC 1536 Phenol, 2,4-diamino-, dihydrochloride