Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 471

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Details

IRUG filename: ROD00471	Data type: Raman	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Pigment Red 4 (PR4), β-Naphthol, Azo, CI12085	Trade name(s): Hansa Red R
CAS name: 2-Naphthalenol, 1-[2-(2-chloro-4-nitrophenyl)diazenyl]-	Sample source 1: Clariant	Sample identifier 1: Hansa Red R
Sample source 2: Tate Gallery, Tate Colorant Collection, Tom Learner	Source location 2: Millbank, London, SW1P4RG, London, UK	Sample identifier 2: PR4, Hansa Red R
Sample source 3: National Gallery of Art	Source location 3: DCL-SR, Washington, DC, 20565, US	Color: Opaque, red
Age: 2003, acquired	MW (relative): 327.04, 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: C16 H10 Cl N3 O3	CAS registry no: 2814-77-9
Other analytical methods: LD-MS (laser desorption mass spectrometry), FTIR (Fourier transform infrared spectroscopy)

Related Structure(s)

IRUG Structure Tracking #: 427 Common Name(s): Pigment Red 4 (PR4); β-Naphthol; Azo; CI12085 CAS Name: 2-Naphthalenol, 1-[2-(2-chloro-4-nitrophenyl)diazenyl]- CAS Registry No: 2814-77-9 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C16 H10 Cl N3 O3 MW: 327.04