1) Hair Dye Raw Material 2) Appearance: orange-brown powder 3) ISO9001 Product name:4-Hydroxypropylamino-3-NitroPhenolCAS No.:92952-81-3Specifications:Appearance: orange-brown powder Melting point: 112-116 d.c. Purity: 98% min Iron: 40PPM max Ash: 0.5% max Moisture: 0.5% maxApplications:Hair DyeIf you need more information,please contact us.Thanks! 4-Hydroxypropylamino-3-Nitro Phenol hair dye