Interactive IRUG Spectrum


IRUG filename:
Data type:
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Yellow 139 (PY139), Isoindoline, Polycyclic, CI56298
Trade name(s):
Fanchon Fast Yellow Y-5700
CAS name:
2,4,6(1H,3H,5H)-Pyrimidinetrione, 5,5'-(1H-isoindole-1,3(2H)-diylidene)bis-
Sample source 1:
Bayer Corp.
Sample identifier 1:
Fanchon Fast Yellow Y-5700
Sample source 2:
Washington State Patrol, Washington State Crime Laboratory
Source location 2:
2203 Airport Way South, Seattle, WA, 98104, US
Sample identifier 2:
Isoindoline Yellow (Pigment Yellow 139)
Reddish yellow
DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy)
Literature Reference:
Suzuki, Edward M. “Infrared Spectra of U.S. Automobile Original Topcoats (1974–1989): VI. Identification and Analysis of Yellow Organic Automotive Paint Pigments—Isoindolinone Yellow 3R, Isoindoline Yellow, Anthrapyrimidine Yellow, and Miscellaneous Yellows.” Journal of Forensic Sciences, vol. 44, no. 6, 1999, pp. 1151–1175.
Originating institution name:
Washington State Patrol, Crime Laboratory Division
Originating institution acronym:
Molecular formula:
C16 H9 N5 O6
CAS registry no:

Related Structure(s)

IRUG Structure Tracking #: 369
Common Name(s): Pigment Yellow 139 (PY139); Isoindoline Yellow; CI56298
CAS Name: 2,​4,​6(1H,​3H,​5H)​-​Pyrimidinetrione, 5,​5'-​(1H-​isoindole-​1,​3(2H)​-​diylidene)​bis-
CAS Registry No: 36888-99-0
IRUG Material Class: Organic dyes and pigments (OD)
Molecular Formula: C16 H9 N5 O6
MW: 367.27