Acid Black 2Name:C.I.Acid Black 2, C.I.50420Molecular Structure: azine classC.I.Acid Black 2, C.I.50420, CAS 1064-48-8, Acid Black 6RB, Acid NigrosineMolecular Formula:Molecular Weight:CAS Registry Number:8005-03-6Manufacturing Methods : will all gra