Section: 9 | Organic dyes and pigments (OD) | Page: 194 |
IRUG filename: IOD00194 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Carminic acid, Natural Red 4, CI75470 | CAS name: 2-Anthracenecarboxylic acid, 7-β-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo- |
Sample source 1: Aldrich Chemical Company | Source location 1: Milwaukee, WI, US | Sample identifier 1: 22,925-3 |
Sample source 2: Philadelphia Museum of Art, Scientific Laboratory | Source location 2: Box 7646, Philadelphia, PA, 19101, US | Color: Red |
MW (relative): 492.39, calculated | Application: MFTIR (Fourier transform infrared microspectroscopy) | Mode: Tran |
Originating institution name: Philadelphia Museum of Art | Originating institution acronym: PMA | Molecular formula: C22 H20 O13 |
CAS registry no: 1260-17-9 |
IRUG Structure Tracking #: 335 Common Name(s): Carminic acid; Natural Red 4; CI75470 CAS Name: 2-Anthracenecarboxylic acid, 7-β-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo- CAS Registry No: 1260-17-9 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C22 H20 O13 MW: 492.39 |