... ; 1. Product Name: Pigment Yellow 12 Synonyms: C. I. Pigment Yellow 12C. I. 21090;2, 2'-((3, 3'-dichloro-4, 4'-biphenylylene ... )diazo) bisaceto anilideC. I. Number: Pigment Yellow 12CAS Number: 6358-85-6EU Number: 228 ... , P.R.48:1, P.R.48:2, P.R.49:1, P.R.53:1, P.R.57:1, P ... to your enquiry. Your cooperation will be highly appreciated. c.i.pigment yellow 12