Description

Vat Yellow 2 is a high-performance vat dye belonging to the anthraquinone chemical class, known for its excellent color fastness and stability. This compound is valued for its ability to produce vibrant, durable yellow shades that resist fading from light, washing, and chemicals. It is primarily utilized by manufacturers in the textile and specialty coatings industries seeking superior, long-lasting coloration for demanding applications.

Application

• Textile Dyeing: Primary application for dyeing cotton, wool, and viscose fibers, valued for its excellent wash and light fastness.
• Industrial Coatings: Used in the formulation of high-performance paints and coatings requiring UV stability and chemical resistance.
• Ink Manufacturing: A key pigment for producing high-quality printing inks, especially for packaging and security printing.
• Plastics and Polymers: Employed as a colorant for engineering plastics where heat stability is required.
• Leather Coloring: Used in the dyeing of leather goods to achieve consistent and fade-resistant yellow hues.
• Paper Staining: Applied for specialty paper products requiring color permanence.

Basic Information

Product Name	Vat Yellow 2
CAS No.	129-09-9
Molecular Formula	C28H12N2O2
Molecular Weight	408.41 g/mol
Synonyms	Vat Yellow 2; C.I. 67300; C.I. Vat Yellow 2; Flavanthrone; Indanthren Yellow G; Cibanone Yellow G; Caledon Yellow G; Solanthrene Yellow J; 8,16-Pyrazinoanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,9,11(2H,4H,10H,12H)-tetrone
EINECS	204-922-6

Quality Control

Our Vat Yellow 2 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and reliability. The product is tested against key parameters including purity, shade, strength, and fastness properties. A Certificate of Analysis (COA) detailing specific test results is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 96.0%
Shade	Conforms to standard
Strength	100 ± 3%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size	95% passes 80 mesh

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