Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 471

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Details

IRUG filename: IOD00471	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	Trade name(s): Calcium Lithol Red
CAS name: 1-Naphthalenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, calcium salt (2:1)	Sample source 1: Cyanamid	Sample identifier 1: Calcium Lithol Red
Sample source 2: Carnegie Mellon Research Institute (CMRI), Carnegie Mellon University	Source location 2: Pittsburgh, PA 15213 USA	Color: Red
Application: MFTIR (Fourier transform infrared microspectroscopy)	Mode: Tran	Originating institution name: Tate Gallery
Originating institution acronym: TG	Molecular formula: C20 H14 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