Section: 9 | Organic dyes and pigments (OD) | Page: 116 |
IRUG filename: IOD00116 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Chrysophanic acid, Natural Yellow 23, CI75400 | CAS name: 9,10-Anthracenedione, 1,8-dihydroxy-3-methyl- |
Sample source 1: Helmut Schweppe Collection of Early Synthetic Dyes | Source location 1: BASF, Ludwigshafen, Germany | Sample identifier 1: Chrysophanic acid |
Sample source 2: Getty Conservation Institute | Source location 2: The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049 | Sample identifier 2: Chrysophanic acid |
Color: Reddish yellow | Age: 1986, acquired | MW (relative): 254.24, calculated |
Application: DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy) | Mode: Refl | Originating institution name: Getty Conservation Institute |
Originating institution acronym: GCI | Molecular formula: C15 H10 O4 | CAS registry no: 481-74-3 |
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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