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Interactive IRUG Spectrum
| Section: 9 | Organic dyes and pigments (OD) | Page: 38 |
Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)
Details
IRUG filename: IOD00038 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Cotton Scarlet, Acid Red 73, Disazo, CI27290 | Trade name(s): Cotton Scarlet |
CAS name: 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-, sodium salt (1:2) | Sample source 1: Helmut Schweppe Collection of Early Synthetic Dyes | Source location 1: BASF, Ludwigshafen, Germany |
Sample identifier 1: Cotton Scarlet | Sample source 2: Getty Conservation Institute | Source location 2: The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049 |
Sample identifier 2: Cotton Scarlet | Color: Yellowish red | 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: C22 H14 N4 O7 S2 * 2 Na | CAS registry no: 5413-75-2 |
Related Structure(s)
IRUG Structure Tracking #: 1247 Common Name(s): Acid Red 73; Disazo; CI27290 CAS Name: 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-, sodium salt (1:2) CAS Registry No: 5413-75-2 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C22 H14 N4 O7 S2 * 2 Na MW: 556.48 |