Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 203

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Details

IRUG filename: ROD00203	Data type: Raman	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Pigment Red 7 (PR7), Naphthol AS, Azo, CI12420	Trade name(s): Alizarine Red
CAS name: 2-Naphthalenecarboxamide, N-(4-chloro-2-methylphenyl)-4-[2-(4-chloro-2-methylphenyl), diazenyl]-3-hydroxy	Sample source 1: Guerra Paint & Pigment	Sample identifier 1: Alizarine Red
Sample source 2: Royal Institute for Cultural Heritage (KIK/IRPA)	Source location 2: Jubelpark 1, 1000 Brussels, BE	Sample identifier 2: CP#3357 (PR7 A)
Color: Red	Application: Raman microscopy	Excitation source (nm): 785
Mode: Scat	Literature Reference: Fremout, W., Saverwyns, S. "Identification of synthetic, organic pigments: the role of a comprehensive digital Raman spectral library" J. Raman Spectrosc. 43 (2012): 1536-1544.	Originating institution name: Royal Institute for Cultural Heritage
Originating institution acronym: KIK/IRPA	Molecular formula: C25 H19 Cl2 N3 O2	CAS registry no: 6471-51-8

Related Structure(s)

IRUG Structure Tracking #: 381 Common Name(s): Pigment Red 7 (PR7); Naphthol AS; CI12420 CAS Name: 2-Naphthalenecarboxamide, N-(4-chloro-2-methylphenyl)-4-[2-(4-chloro-2-methylphenyl)diazenyl]-3-hydroxy- CAS Registry No: 6471-51-8 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C25 H19 Cl2 N3 O2 MW: 464.08