Interactive IRUG Spectrum


IRUG filename:
Data type:
IRUG material class:
Organic dyes and pigments (OD)
Sample type:
Reference material
Common name(s):
Pigment Yellow 151 (PY151), Benzimidazolone, Azo, CI13980
Trade name(s):
Hostaperm Yellow H4G
CAS name:
Benzoic acid, 2-[2-[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]diazenyl]-
Sample source 1:
Hoechst Celanese
Source location 1:
222 W. Las Colinas Blvd., Suite 900N Irving, Texas 75039. United States
Sample identifier 1:
Hostaperm Yellow H4G
Sample source 2:
Washington State Patrol, Washington State Crime Laboratory
Source location 2:
2203 Airport Way South, Seattle, WA, 98104, US
Sample identifier 2:
Benzimidazolone Yellow 4G (Pigment Yellow 151)
DRIFTS (diffuse reflectance infrared Fourier transform spectroscopy)
Literature Reference:
Suzuki, Edward W., and William P. Marshall. “Infrared Spectra of U.S. Automobile Original Topcoats (1974–1989): III. In Situ Identification of Some Organic Pigments Used in Yellow, Orange, Red, and Brown Nonmetallic and Brown Metallic Finishes—Benzimidazolones.” Journal of Forensic Sciences, vol. 42, no. 4, 1997, pp. 619–648.
Originating institution name:
Washington State Patrol, Crime Laboratory Division
Originating institution acronym:
Molecular formula:
C18 H15 N5 O5
CAS registry no:
61036-28-0 , 31837-42-0

Related Structure(s)

IRUG Structure Tracking #: 1109
Common Name(s): Pigment Yellow 151 (PY151); Benzimidazolone; CI13980
CAS Name: Benzoic acid, 2-[2-[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]diazenyl]-
CAS Registry No: 31837-42-0
IRUG Material Class: Organic dyes and pigments (OD)
Molecular Formula: C18 H15 N5 O5
MW: 381.34