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Interactive IRUG Spectrum
| Section: 9 | Organic dyes and pigments (OD) | Page: 31 |
Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)
Details
IRUG filename: IOD00031 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Tartrazine, Acid Yellow 23, Monoazo, CI19140 | Trade name(s): Tartrazine |
CAS name: 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3) | Sample source 1: Helmut Schweppe Collection of Early Synthetic Dyes | Source location 1: BASF, Ludwigshafen, Germany |
Sample identifier 1: Tartrazine | Sample source 2: Getty Conservation Institute | Source location 2: The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049 |
Sample identifier 2: Tartrazine | Age: 1986, acquired | Application: DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy) |
Mode: Refl | Originating institution name: Getty Conservation Institute | Originating institution acronym: GCI |
Molecular formula: C16 H9 N4 O9 S2 * 3 Na | CAS registry no: 1934-21-0 |
Related Structure(s)
IRUG Structure Tracking #: 1242 Common Name(s): Tartrazine; Acid Yellow 23; Food Yellow 4; Monoazo; CI19140 CAS Name: 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, trisodium salt CAS Registry No: 1934-21-0 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C16 H9 N4 O9 S2 * 3Na MW: 534.36 |