| Section: 9 | Organic dyes and pigments (OD) | Page: 244 | 
IRUG filename: ROD00244  | Data type: Raman  | IRUG material class: Organic dyes and pigments (OD)  | 
Sample type: Reference material  | Common name(s): Pigment Yellow 87 (PY87), Diarylide Yellow, Azo, CI21107  | CAS name: Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[N-(2,5-, dimethoxyphenyl)-3-oxo  | 
Sample source 1: Engelhard  | Sample identifier 1: 1285  | Sample source 2: Getty Conservation Institute  | 
Source location 2: 1200 Getty Center Dr., Los Angeles, CA, US  | Sample identifier 2: SP21140  | Sample source 3: Royal Institute for Cultural Heritage (KIK/IRPA)  | 
Source location 3: Jubelpark 1, 1000 Brussels, Belgium  | Color: Yellow  | Application: Raman microscopy  | 
Excitation source (nm): 785  | Mode: Scat  | Literature Reference: Fremout, W., Saverwyns, S. "Identification of synthetic, organic pigments: the role of a comprehensive digital Raman spectral library" J. Raman Spectrosc. 43 (2012): 1536-1544.  | 
Originating institution name: Royal Institute for Cultural Heritage   | Originating institution acronym: KIK/IRPA  | Molecular formula: C36 H34 Cl2 N6 O8  | 
CAS registry no: 15110-84-6   |