| Section: 9 | Organic dyes and pigments (OD) | Page: 564 | 
IRUG filename: IOD00564  | Data type: Infrared  | IRUG material class: Organic dyes and pigments (OD)  | 
Sample type: Reference material  | Common name(s): Pigment Red 238 (PR238), Naphthol AS, Azo  | Trade name(s): Permanent Carmine F5B  | 
CAS name: C.I. Pigment Red 238  | Sample source 1: Sanyo  | Sample identifier 1: Permanent Carmine F5B  | 
Sample source 2: Tate Gallery  | Source location 2: Millbank, London, SW1P 4RG, UK  | Color: Bluish red  | 
Application: MFTIR (Fourier transform infrared microspectroscopy)  | Mode: Tran  | Originating institution name: Tate Gallery  | 
Originating institution acronym: TG  | Molecular formula: C32 H25 Cl N4 O5  | CAS registry no: 140114-63-2  |