Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 223

  Copyright © 1993-2024 Infrared and Raman Users Group (IRUG) 

Details

IRUG filename: IOD00223	Data type: Infrared	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Pigment Red 22 (PR22) with kaolinite/clay, Naphthol AS, Azo, CI12315	CAS name: 2-Naphthalenecarboxamide, 3-hydroxy-4-[2-(2-methyl-5-nitrophenyl)diazenyl]-N-phenyl-
Sample source 1: Sun Chemical	Sample source 2: Institute for the Protection of Cultural Heritage of Slovenia, Restoration Center, Polonca Ropret	Source location 2: Poljanska 40, 1000 Ljubljana, Slovenia
Sample identifier 2: CI12315	Sample source 3: Philadelphia Museum of Art, Scientific Laboratory	Source location 3: Box 7646, Philadelphia, PA, 19101, US
Color: Yellowish red	Application: MFTIR (Fourier transform infrared microspectroscopy)	Mode: Tran
Literature Reference: Herbst, W. and Hunger, K., "Industrial Organic Pigments: Production, Properties, Applications" 3rd Edition, Wiley-VCH 2004.	Originating institution name: Institute for the Protection of Cultural Heritage of Slovenia	Originating institution acronym: ZVKDS
Molecular formula: C24 H18 N4 O4	CAS registry no: 6448-95-9

Related Structure(s)

IRUG Structure Tracking #: 906 Common Name(s): Pigment Red 22 (PR22); Naphthol AS; CI12315 CAS Name: 2-Naphthalenecarboxamide, 3-hydroxy-4-[2-(2-methyl-5-nitrophenyl)diazenyl]-N-phenyl- CAS Registry No: 6448-95-9 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C24 H18 N4 O4 MW: 426.42