Description

Vat Yellow 10 is a synthetic organic pigment belonging to the vat dye class, identified by CAS No. 2379-76-2. This high-performance colorant is valued for its excellent fastness properties, including superior lightfastness and chemical resistance, making it a durable choice for demanding applications. It is primarily required by manufacturers in the textile, plastics, and specialty coatings industries seeking stable and vibrant yellow hues.

Application

• Textile Dyeing and Printing: Used for coloring natural and synthetic fibers, especially where high wash and light fastness are critical.
• Plastics and Masterbatch Coloring: Imparts stable yellow color to polymers like PVC, polyolefins, and engineering plastics during high-temperature processing.
• Industrial and Automotive Coatings: Employed in formulations requiring long-term color stability and resistance to weathering and chemicals.
• Ink Manufacturing: Suitable for high-quality printing inks, including packaging and security inks, where color consistency is paramount.
• Paper Coloring: Used for specialty papers and decorative laminates that require fade-resistant colors.
• Pigment Preparation: Serves as a base for producing high-grade pigment preparations and dispersions for various industrial uses.

Basic Information

Product Name	Vat Yellow 10
CAS No.	2379-76-2
Molecular Formula	C28H12N2O2
Molecular Weight	408.41 g/mol
Synonyms	Vat Yellow 10; C.I. Vat Yellow 10; C.I. 56200; Flavanthrone; Indanthren Yellow G; Pyranthrone; C.I. 59800; 8,16-Pyranthrenedione
EINECS	219-161-7

Quality Control

Our Vat Yellow 10 is manufactured under a stringent quality management system. Each batch is tested to ensure it meets precise specifications for color strength, shade, and chemical purity. Relevant industry standards for pigments and colorants are followed, and a comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with every 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 strong oxidizing agents. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Purity (HPLC)	≥ 96.0%
Moisture Content	≤ 2.0%
Ash Content	≤ 1.0%
Particle Size (D50)	≤ 5.0 μm

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