- Home>
- Search IRUG Spectral Database>
- Interactive IRUG Spectrum
Interactive IRUG Spectrum
| Section: 9 | Organic dyes and pigments (OD) | Page: 679 |
Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)
Details
IRUG filename: IOD00679 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Congo Red, Direct Red 28, Disazo, CI22120 | Trade name(s): Congo Red, Kongorot |
CAS name: 1-Naphthalenesulfonic acid, 3,3′-[[1,1′-biphenyl]-4,4′-diylbis(2,1-diazenediyl)]bis[4-amino-, sodium salt (1:2) | Sample source 1: L. Baumgartner | Sample identifier 1: Congo red, Kongorot |
Sample source 2: Technological Collection of the Institute of the Science & Technology in Art (ISTA Collection) | Source location 2: Academy of Fine Arts, Vienna, Schillerplatz 3, A-1010, Vienna, AT | Sample identifier 2: Inv. No. 845, Kongorot |
Color: Yellowish red | MW (relative): 696.68, calculated | Application: MFTIR (Fourier transform infrared microspectroscopy) |
Mode: Tran | Originating institution name: Academy of Fine Arts, Vienna | Originating institution acronym: AFAV |
Molecular formula: C32 H22 N6 O6 S2 * 2Na | CAS registry no: 573-58-0 | Other analytical methods: XRF (x-ray fluorescence) |
Related Structure(s)
IRUG Structure Tracking #: 1198 Common Name(s): Direct Red 28; Disazo; CI22120 CAS Name: 1-Naphthalenesulfonic acid, 3,3′-[[1,1′-biphenyl]-4,4′-diylbis(2,1-diazenediyl)]bis[4-amino-, sodium salt (1:2) CAS Registry No: 573-58-0 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C32 H22 N6 O6 S2 * 2Na MW: 696.68 |