Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 646

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Details

IRUG filename: ROD00646	Data type: Raman	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Tartrazine, spectrum from source mislabeled 'Indian yellow', Acid Yellow 23, Monoazo, CI19140	Chemical/botanical name(s): 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, trisodium salt
CAS name: Tartrazine	Sample source 1: University College London	Source location 1: Christopher Ingold Laboratories, 20 Gordon Street, London WC1H 0AJ, UK
Color: Yellow	MW (relative): 534.36, calculated	Application: Raman microscopy/microspectroscopy
Excitation source (nm): 632.8	Mode: Scat	Literature Reference: Bell, I.M., R.J.H. Clark, and P.J. Gibbs. "Raman Spectroscopic Library of Natural and Synthetic Pigments (pre- ≈ 1850 AD)." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 53.12 (1997): 2159-179. Bell, I.M., R.J.H. Clark, and P.J. Gibbs. "Raman Spectroscopic Library of Natural and Synthetic Pigments." UCL Chemistry - Chemistry Resources - Raman Spectroscopic Library. University College London, 9 Aug 2010. Web. 12 June 2020.
Originating institution name: University College London	Originating institution acronym: UCL	Molecular formula: C16 H9 N4 O9 S2 * 3Na
CAS registry no: 1934-21-0

Related Structure(s)

IRUG Structure Tracking #:
IRUG Structure Tracking #: 1242 Common Name(s): Tartrazine; Acid Yellow 23; Food Yellow 4; Monoazo; CI19140 CAS Name: 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, trisodium salt CAS Registry No: 1934-21-0 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C16 H9 N4 O9 S2 * 3Na MW: 534.36