Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 744

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Details

IRUG filename: IOD00744	Data type: Infrared	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Tartrazine, Monoazo, Food Yellow 4, CI19140	Trade name(s): Tartrazine K 200
Chemical/botanical name(s): 3-Carboxy-5-hydroxy-1-p-sulfophenyl-4-p-sulfophenylazopyrazole trisodium salt	CAS name: 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3)	Sample source 1: ICI
Sample identifier 1: Tartrazine K 200	Sample source 2: Technological Collection of the Institute of the Science & Technology in Art (ISTA Collection)	Source location 2: Academy of Fine Arts, Schillerplatz 3, A-1010, Vienna, AT
Sample identifier 2: Inv. No. 821, Tartrazine K 200	Color: Yellow	Age: Oct. 15, 1958, dated
Application: MFTIR (Fourier transform infrared microspectroscopy)	Mode: Tran	Originating institution name: Academy of Fine Arts, Vienna
Originating institution acronym: AFAV	Molecular formula: C16 H9 N4 O9 S2 * 3 Na	CAS registry no: 1934-21-0
Other analytical methods: XRF (x-ray fluorescence)

Related Structure(s)

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