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Interactive IRUG Spectrum
| Section: 9 | Organic dyes and pigments (OD) | Page: 81 |
Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)
Details
IRUG filename: IOD00081 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Rhubarb root, Natural Yellow 23, CI75400 | Sample source 1: Helmut Schweppe Collection of Early Synthetic Dyes |
Source location 1: BASF, Ludwigshafen, Germany | Sample identifier 1: Rhubarb root | Sample source 2: Getty Conservation Institute |
Source location 2: The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049 | Sample identifier 2: Rhubarb root | Color: Reddish yellow |
Age: 1986, acquired | Application: DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy) | Mode: Refl |
Cross reference to additional spectra: UV/VIS spectroscopy | Originating institution name: Getty Conservation Institute | Originating institution acronym: GCI |
Related Structure(s)
IRUG Structure Tracking #: 402 Common Name(s): Chrysophanic acid; Natural Yellow 23 (NY23); CI75400 Chemical Name(s): 1,8-Dihydroxy-3-methylanthraquinone; 1,8-dihydroxy-3-methylanthracene-9,10-dione CAS Name: 9,10-Anthracenedione, 1,8-dihydroxy-3-methyl- CAS Registry No: 481-74-3 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C15 H10 O4 MW: 254.24
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