| Section: 9 | Organic dyes and pigments (OD) | Page: 404 | 
| IRUG filename: IOD00404 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) | 
| Sample type: Reference material | Common name(s): Pigment Red 53:1 (PR53:1), β-Naphthol, Ba, Azo Lake (Salt Type), CI15585:1 | Trade name(s): Sunbrite Red 53:1 | 
| CAS name: Benzenesulfonic acid, 5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, barium salt (2:1) | Sample source 1: Sun Chemical | Sample identifier 1: Sunbrite Red 53:1 | 
| Sample source 2: Tate Gallery | Source location 2: London, UK | Sample identifier 2: CI#15585:1 | 
| Color: Red | Application: MFTIR (Fourier transform infrared microspectroscopy) | Mode: Tran | 
| Originating institution name: Philadelphia Museum of Art | Originating institution acronym: PMA | Molecular formula: C34 H24 Cl2 N4 O8 S2 * Ba | 
| CAS registry no: 5160-02-1 | 
| IRUG Structure Tracking #: 1106 Common Name(s): Pigment Red 53:1 (PR53:1); β-Naphthol; CI15585:1 CAS Name: Benzenesulfonic acid, 5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, barium salt (2:1) CAS Registry No: 5160-02-1  IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C34 H24 Cl2 N4 O8 S2 * Ba MW: 888.94 |