Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 375

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Details

IRUG filename: IOD00375	Data type: Infrared	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Pigment Red 49:2 (PR49:2), β-Naphthol, Ca, Azo Lake (Salt Type), CI15630:2	CAS name: 1-Naphthalenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, calcium salt (2:1)
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, SI-1000 Ljubljana, Slovenia
Sample identifier 2: CI#15630:2	Sample source 3: Philadelphia Museum of Art, Scientific Laboratory	Source location 3: Box 7646, Philadelphia, PA, 19101, US
Color: Bluish 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: C20 H13 N2 O4 S * 1/2 Ca	CAS registry no: 1103-39-5

Related Structure(s)

IRUG Structure Tracking #: 318 Common Name(s): Pigment Red 49:2 (PR49:2); Beta-naphthol lake; CI15630:2 CAS Name: 1-Naphthalenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, calcium salt (2:1) CAS Registry No: 1103-39-5 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C40 H26 Ca N4 O8 S2 MW: 794.86