| Section: 9 | Organic dyes and pigments (OD) | Page: 218 | 
| IRUG filename: ROD00218 | Data type: Raman | IRUG material class: Organic dyes and pigments (OD) | 
| Sample type: Reference material | Common name(s): Pigment Yellow 155 (PY155), Bisacetoacetarylide, Azo, CI200310 | Trade name(s): Novoperm Yellow 4G | 
| CAS name: 1,4-Benzenedicarboxylic acid, 2,2'-[1,4-phenylenebis[imino(1-acetyl-2-oxo-2,1-ethanediyl)-2,, 1-diazenediyl]]bis-, 1,1',4,4'-tetramethyl ester | Sample source 1: Clariant | Sample identifier 1: Novoperm Yellow 4G p | 
| Sample source 2: Getty Conservation Institute | Source location 2: 1200 Getty Center Dr., Los Angeles, CA, US | Sample identifier 2: SP21164 | 
| 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: C34 H32 N6 O12 | CAS registry no: 68516-73-4  | 
| IRUG Structure Tracking #: 367 Common Name(s): Pigment Yellow 155 (PY155); Bisacetoacetarylide; Azo; CI200310 CAS Name: 1,4-Benzenedicarboxylic acid, 2,2'-[1,4-phenylenebis[imino(1-acetyl-2-oxo-2,1-ethanediyl)-2,1-diazenediyl]]bis-, 1,1',4,4'-tetramethyl ester CAS Registry No: 68516-73-4 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C34 H32 N6 O12 MW: 716.65 |