Interactive IRUG Spectrum

Section: 9

Organic dyes and pigments (OD)

Page: 680

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Details

IRUG filename: IOD00680	Data type: Infrared	IRUG material class: Organic dyes and pigments (OD)
Sample type: Reference material	Common name(s): Congo Red, Direct Red 28, Disazo, CI22120	Trade name(s): Congo Red, Congorot
CAS name: 1-Naphthalenesulfonic acid, 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(2,1-diazenediyl)]bis[4-amino-, sodium salt (1:2)	Sample source 1: IG Farb. Ind.	Source location 1: Frankfurt, Germany
Sample identifier 1: Congo Red, Congorot	Sample source 2: Technological Collection of 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. 730, Congorot	Color: Red	MW (relative): 696.68, calculated
Application: MFTIR (Fourier transform infrared microspectroscopy)	Mode: Tran	Originating institution name: Academy of Fine Arts, Vienna
Originating institution acronym: AFAV	Molecular formula: C32 H22 N6 O6 S2 * 2Na	CAS registry no: 573-58-0
Other analytical methods: XRF (x-ray fluorescence)

Related Structure(s)

IRUG Structure Tracking #: 1198 Common Name(s): Direct Red 28; Disazo; CI22120 CAS Name: 1-Naphthalenesulfonic acid, 3,3′-[[1,1′-biphenyl]-4,4′-diylbis(2,1-diazenediyl)]bis[4-amino-, sodium salt (1:2) CAS Registry No: 573-58-0 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C32 H22 N6 O6 S2 * 2Na MW: 696.68