| Section: 9 | Organic dyes and pigments (OD) | Page: 648 | 
IRUG filename: ROD00648  | Data type: Raman  | IRUG material class: Organic dyes and pigments (OD)  | 
Sample type: Reference material  | Common name(s): Pigment Red 1 (PR1), β-Naphthol, Azo, CI12070  | CAS name: 2-Naphthalenol, 1-[2-(4-nitrophenyl)diazenyl]-  | 
Sample source 1: Sigma-Aldrich  | Sample identifier 1: Para red (SIAL 100994)  | Sample source 2: Royal Institute for Cultural Heritage (KIK/IRPA)  | 
Source location 2: Jubelpark 1, 1000 Brussels, BE  | Sample identifier 2: CP#3255 (PR1 E)  | Color: Red  | 
Application: Raman microscopy  | Excitation source (nm): 785  | Mode: Scat  | 
Literature Reference: Fremout, Wim, and Steven Saverwyns. “Identification of Synthetic Organic Pigments: the Role of a Comprehensive Digital Raman Spectral Library.” Journal of Raman Spectroscopy, vol. 43, no. 11, 2012, pp. 1536–1544.  | Originating institution name: Royal Institute for Cultural Heritage   | Originating institution acronym: KIK/IRPA  | 
Molecular formula: C16 H11 N3 O3  | CAS registry no: 6410-10-2   |