Description

Pigment Yellow 151 is a high-performance, green-shade yellow organic pigment known for its excellent lightfastness and weather resistance. This product is valued for its ability to provide bright, durable coloration in demanding applications. It is primarily used by manufacturers in the plastics, coatings, and printing ink industries seeking stable and reliable yellow hues.

Application

• Coloration of engineering plastics and synthetic fibers
• Industrial and automotive coatings requiring high durability
• Printing inks, including packaging and publication gravure inks
• Masterbatch production for consistent color dispersion
• Coloring of high-quality artists' paints and acrylics
• Specialty applications in security printing

Basic Information

Product Name	Pigment Yellow 151
CAS No.	31837-42-0
Molecular Formula	C18H18N4O6
Molecular Weight	386.36 g/mol
Synonyms	Benzoic acid, 2-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azo]-; C.I. Pigment Yellow 151; PY 151; 2-[[1-[[(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azo]benzoic Acid; Pigment Yellow 151; Novoperm Yellow H2G; Hostaperm Yellow H4G; Cromophtal Yellow 2RLTS
EINECS	250-825-1

Quality Control

Our Pigment Yellow 151 is manufactured under a strict quality management system. Every batch undergoes comprehensive testing for key parameters including color strength, shade, particle size distribution, and chemical purity to ensure consistent performance and batch-to-batch uniformity. A Certificate of Analysis (COA) detailing these results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Yellow Powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Resistance to Light	≥ 7 (Blue Scale)
Resistance to Weathering	Good to Very Good
Heat Stability (Plastics)	≥ 280°C
Ash Content	≤ 1.0%
Moisture Content	≤ 2.0%
Sieving Residue (63 µm)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.