| Section: 9 | Organic dyes and pigments (OD) | Page: 466 | 
| IRUG filename: IOD00466 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) | 
| Sample type: Reference material | Common name(s): Pigment Red 3 (PR3), beta-Naphthol, Azo, CI12120 | Trade name(s): Hansa Scarlet RNC | 
| CAS name: 2-Naphthalenol, 1-[2-(4-methyl-2-nitrophenyl)diazenyl]- | Sample source 1: Clariant | Source location 1: Rothausstrasse 61, 4132 Muttenz, Switzerland | 
| Sample identifier 1: Hansa Scarlet RNC | Sample source 2: Tate Gallery | Source location 2: Millbank, London, SW1P 4RG, UK | 
| Color: Red | Application: MFTIR (Fourier transform infrared microspectroscopy) | Mode: Tran | 
| Originating institution name: Tate Gallery | Originating institution acronym: TG | Molecular formula: C17 H13 N3 O3 | 
| CAS registry no: 2425-85-6 | Density (g/cc): 1.42 g/cc, literature, Product Data Sheet - Printing Inks, Hansa Scarlet RNC, Edition 16.05.2013. Muttenz, Switzerland: Clariant International Ltd., 2012. Clariant Pigments. | 
| IRUG Structure Tracking #: 325 Common Name(s): Pigment Red 3 (PR3); Beta naphthol; CI12120 CAS Name: 2-Naphthalenol, 1-[2-(4-methyl-2-nitrophenyl)diazenyl]- CAS Registry No:  2425-85-6  IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C17 H13 N3 O3 MW: 307.30 |