Section: 9 | Organic dyes and pigments (OD) | Page: 347 |
IRUG filename: ROD00347 | Data type: Raman | IRUG material class: Organic dyes and pigments (OD) |
Sample type: Reference material | Common name(s): Pigment Orange 19 (PO19), Naphthalene sulphonic acid, Ba, Azo Lake (Salt Type), CI15990 | Trade name(s): Helioorange TD |
CAS name: 2-Naphthalenesulfonic acid, 5-[2-(2-chlorophenyl)diazenyl]-6-hydroxy-, barium salt (2:1) | Sample source 1: Farbwerke Hoechst | Sample identifier 1: Helioorange TD |
Sample source 2: Historical Dye Collection, Dresden University of Technology (TU) | Source location 2: Helmholtzstr. 10, Dresden, DE | Sample identifier 2: Ref. 684 |
Sample source 3: Royal Institute for Cultural Heritage (KIK/IRPA) | Source location 3: Jubelpark 1, 1000 Brussels, Belgium | Color: Orange |
Application: Raman microscopy | Excitation source (nm): 785 | Mode: Scat |
Literature Reference: Fremout, W., Saverwyns, S. "Identification of synthetic, organic pigments: the role of a comprehensive digital Raman spectral library" J. Raman Spectrosc. 43 (2012): 1536-1544. | Originating institution name: Royal Institute for Cultural Heritage | Originating institution acronym: KIK/IRPA |
Molecular formula: C16 H10 Cl N2 O4 S * 1/2 Ba | CAS registry no: 5858-88-8 |