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Interactive IRUG Spectrum
| Section: 9 | Organic dyes and pigments (OD) | Page: 18 |
Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)
Details
IRUG filename: IOD00018 | Data type: Infrared | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Ponceau 3RO, Acid Red 25, Monoazo, CI16050 | Trade name(s): Ponceau 3RO |
Chemical/botanical name(s): 1-Naphthalenesulfonic acid, 7-hydroxy-8-[2-(4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:2) | Sample source 1: Helmut Schweppe Collection of Early Synthetic Dyes | Source location 1: BASF, Ludwigshafen, Germany |
Sample identifier 1: Ponceau 3RO | Sample source 2: Getty Conservation Institute | Source location 2: The Getty Center, 1200 Getty Center Drive, Los Angeles, CA, 90049 |
Sample identifier 2: Ponceau 3RO | Color: Red | Age: 1986, acquired |
Application: DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy) | Mode: Refl | Originating institution name: Getty Conservation Institute |
Originating institution acronym: GCI | CAS registry no: 5858-93-5 |
Related Structure(s)
IRUG Structure Tracking #: 334 Common Name(s): Acid Red 25; Monoazo; CI16050; Acid Red 25, disodium salt CAS Name: 1-Naphthalenesulfonic acid, 7-hydroxy-8-[2-(4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:2) CAS Registry No: 5858-93-5 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C20 H12 N2 O7 S2 * Na MW: 502.43 |