Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 477

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Details

IRUG filename: ROD00477	Data type: Raman	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Pigment Red 57 (PR57), BONA, Na, Azo Lake (Salt Type), CI15850	Trade name(s): Irgalite Rubine 4BP
CAS name: 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[2-(4-methyl-2-sulfophenyl)diazenyl]-, sodium salt (1:2)	Sample source 1: Ciba	Sample identifier 1: Irgalite Rubine 4BP
Sample source 2: Tate Gallery, Tate Colorant Collection, Tom Learner	Source location 2: Millbank, London, SW1P4RG, London, UK	Sample identifier 2: PR57, Irgalite Rubine 4BP
Sample source 3: National Gallery of Art	Source location 3: DCL-SR, Washington DC 20565	Color: Opaque, red
Age: 2003, acquired	MW (relative): 430.34, calculated	Application: Raman microscopy/microspectroscopy
Excitation source (nm): 633	Mode: Scat	Originating institution name: United States Naval Academy, Chemistry Department
Originating institution acronym: USNA	Molecular formula: C18 H12 N2 O6 S * 2Na	CAS registry no: 5858-81-1
Other analytical methods: LD-MS (laser desorption mass spectrometry), FTIR (Fourier transform infrared spectroscopy)

Related Structure(s)

IRUG Structure Tracking #: 872 Common Name(s): Pigment Red 57 (PR57); BONA, Na; Azo Lake (Salt Type); CI15850 CAS Name: 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[2-(4-methyl-2-sulfophenyl)diazenyl]-, sodium salt (1:2) CAS Registry No: 5858-81-1 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C18 H12 N2 O6 S * 2 Na MW: 430.34