Description

Benzoxanthene Yellow CAS NO 136840-82-9 is a high-performance, synthetic organic pigment belonging to the benzoxanthene chemical class. This compound is valued for its excellent color strength, good lightfastness, and thermal stability, making it a reliable choice for demanding coloration applications. It is primarily sought after by manufacturers in the plastics, coatings, and specialty ink industries who require vibrant, durable yellow hues.

Application

• Plastics Coloring: Masterbatch and compound production for engineering plastics, PVC, polyolefins, and synthetic fibers.
• Industrial Coatings: Pigmentation for automotive paints, coil coatings, and powder coatings where weather resistance is critical.
• Printing Inks: Formulation of high-grade packaging inks, publication gravure inks, and decorative inks.
• Specialty Applications: Used in the coloration of specialty papers, artist colors, and other niche industrial products.

Basic Information

Product Name	Benzoxanthene Yellow
CAS No.	136840-82-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Pigment Yellow 180; C.I. 21290; Benzoxanthene Yellow 180; PY 180; C.I. Pigment Yellow 180; 2,2'-[(2,5-Dichloro-1,4-phenylene)bis[imino(1-acetyl-2-oxo-2,1-ethanediyl)azo]]bis[N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutanamide]; 136840-82-9
EINECS	Contact for details

Quality Control

Our Benzoxanthene Yellow is manufactured under a strict quality management system. Each batch undergoes comprehensive testing for key parameters including color strength, hue, particle size distribution, and chemical purity to ensure consistent performance and compliance with industry standards. Certificates of Analysis (COA) documenting these results are available upon request.

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 incompatible materials. This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow Powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Purity (HPLC)	≥ 95.0%
Moisture Content	≤ 2.0%
Ash Content	≤ 1.0%
Particle Size (D50)	≤ 1.0 μm

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