1. Home>
  2. Search IRUG Spectral Database>
  3. Interactive IRUG Spectrum

Interactive IRUG Spectrum

Section: 9 Organic dyes and pigments (OD) Page: 104

 Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)


Details

IRUG filename:
ROD00104
Data type:
Raman
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Yellow 191 (PY191), Monoazo pyrazolone, Ca, Azo Lake (Salt Type), CI18795
Trade name(s):
PV Fast Yellow HGR
CAS name:
Benzenesulfonic acid, 4-chloro-2-[2-[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol4-yl]diazenyl]-5-methyl-,, calcium salt (1:1)
Sample source 1:
Clariant
Sample identifier 1:
PV Fast Yellow HGR
Sample source 2:
Tate Colorant Collection, Tate Gallery, Tom Learner
Source location 2:
Millbank, Westminster, London SW1P 4RG, UK
Sample identifier 2:
PY191, PV Fast Yellow HGR
Sample source 3:
Museum of Fine Arts, Boston
Source location 3:
465 Huntington Ave, Boston, MA 02115, US
Color:
Yellow
Application:
Raman microscopy/microspectroscopy
Excitation source (nm):
785
Mode:
Scat
Originating institution name:
Museum of Fine Arts Boston
Originating institution acronym:
MFAB
Molecular formula:
C17 H13 Cl N4 O7 S2 * Ca
CAS registry no:
129423-54-7
  

Related Structure(s)

IRUG Structure Tracking #: 309
Common Name(s): Pigment Yellow 191 (PY191); Monoazo lake; CI18795
CAS Name: Benzenesulfonic acid, 4-​chloro-​2-​[2-​[4,​5-​dihydro-​3-​methyl-​5-​oxo-​1-​(3-​sulfophenyl)​-​1H-​pyrazol-​4-​yl]​diazenyl]​-​5-​methyl-​, calcium salt (1:1)
CAS Registry No: 129423-54-7
IRUG Material Class: Organic dyes and pigments (OD)
Molecular Formula: C17 H13 Cl N4 O7 S2 * Ca
MW: 524.97