| Section: 9 | Organic dyes and pigments (OD) | Page: 685 | 
IRUG filename: ROD00685  | Data type: Raman  | IRUG material class: Organic dyes and pigments (OD)  | 
Sample type: Reference material  | Common name(s): Pigment Red 208 (PR208), Benzimidazolone, Azo, CI12514  | Trade name(s): Novoperm Red HF2B01  | 
CAS name: Benzoic acid, 2-[2-[3-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-hydroxy-1-naphthalenyl]diazenyl]-, butyl ester  | Sample source 1: Clariant  | Sample identifier 1: Novoperm Red HF2B01  | 
Sample source 2: Tate Gallery, Tate Colorant Collection, Tom Learner  | Source location 2: Millbank, London, SW1P4RG, London, UK  | Sample identifier 2: PR208, Novoperm Red HF2B01  | 
Sample source 3: Harvard Art Museums, Straus Center for Conservation & Technical Studies  | Source location 3: 32 Quincy St, Cambridge, MA 02138, US  | Color: Red  | 
Application: Raman microscopy/microspectroscopy  | Excitation source (nm): 785  | Mode: Scat  | 
Originating institution name: Museum of Fine Arts Boston  | Originating institution acronym: MFAB  | Molecular formula: C29 H25 N5 O5  | 
CAS registry no: 31778-10-6  |