Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 189

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Details

IRUG filename: ROD00189	Data type: Raman	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Pigment Red 21 (PR21), Naphthol AS, Azo, CI12300	Trade name(s): 3132 Fast Red 2R
CAS name: 2-Naphthalenecarboxamide, 4-[2-(2-chlorophenyl)diazenyl]-3-hydroxy-N-phenyl-	Sample source 1: HY Pigments	Sample identifier 1: 3132 Fast Red 2R
Sample source 2: Getty Conservation Institute	Source location 2: 1200 Getty Center Dr., Los Angeles, CA, US	Sample identifier 2: SP20975
Sample source 3: Royal Institute for Cultural Heritage (KIK/IRPA)	Source location 3: Jubelpark 1, 1000 Brussels, BE	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: C23 H16 Cl N3 O2	CAS registry no: 6410-26-0

Related Structure(s)

IRUG Structure Tracking #: 357 Common Name(s): Pigment Red 21 (PR21); Naphthol AS; CI12300 CAS Name: 2-Naphthalenecarboxamide, 4-[2-(2-chlorophenyl)diazenyl]-3-hydroxy-N-phenyl- CAS Registry No: 6410-26-0 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C23 H16 Cl N3 O2 MW: 401.85