| Section: 9 | Organic dyes and pigments (OD) | Page: 697 | 
IRUG filename: ROD00697  | Data type: Raman  | IRUG material class: Organic dyes and pigments (OD)  | 
Sample type: Reference material  | Common name(s): Pigment Yellow 2 (PY2), Monoazo Yellow, Azo, CI11730  | Trade name(s): Suimei Fast Yellow GR  | 
CAS name: Butanamide, 2-[2-(4-chloro-2-nitrophenyl)diazenyl]-N-(2,4-dimethylphenyl)-3-oxo-  | Sample source 1: Sansui  | Sample identifier 1: Suimei Fast Yellow GR  | 
Sample source 2: Tate Gallery, Tate Colorant Collection, Tom Learner  | Source location 2: Millbank, London, SW1P4RG, London, UK  | Sample identifier 2: PY2, Suimei Fast Yellow GR  | 
Sample source 3: Harvard Art Museums, Straus Center for Conservation & Technical Studies  | Source location 3: 32 Quincy St, Cambridge, MA 02138, US  | Color: Yellow  | 
Application: Raman microscopy/microspectroscopy  | Excitation source (nm): 532  | Mode: Scat  | 
Originating institution name: Museum of Fine Arts Boston  | Originating institution acronym: MFAB  | Molecular formula: C18 H17 Cl N4 O4  | 
CAS registry no: 6486-26-6  | 
IRUG Structure Tracking #: 913 Common Name(s): Pigment Yellow 2 (PY2); Monoazo Yellow; CI11730 CAS Name: Butanamide, 2-[2-(4-chloro-2-nitrophenyl)diazenyl]-N-(2,4-dimethylphenyl)-3-oxo- CAS Registry No:  6486-26-6 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C18 H17 Cl N4 O4 MW: 388.80  |