Description

Solubilised Vat Yellow 8 is a high-performance, solubilized form of the classic vat dye, Vat Yellow 8 (CAS NO 6535-53-1). This formulation is engineered to offer superior ease of application and enhanced color yield in demanding industrial processes. It is an essential pigment for manufacturers requiring brilliant, durable yellow shades with excellent fastness properties. Key industries that rely on this product include textile dyeing and printing, as well as the coloration of specialty papers and plastics.

Application

• Primary application in the continuous dyeing and printing of cellulosic textiles like cotton and viscose.
• Used for achieving high-fastness yellow shades in workwear, upholstery, and automotive fabrics.
• Coloration of specialty and decorative papers requiring lightfastness.
• Pigmentation of plastics and synthetic fibers where color stability is critical.
• Formulation of high-grade artist colors and inks for industrial printing.
• As a colorant in the production of security papers and banknotes.

Basic Information

Product Name	Solubilised Vat Yellow 8
CAS No.	6535-53-1
Molecular Formula	C₂₆H₁₂N₂O₂
Molecular Weight	384.39 g/mol
Synonyms	Vat Yellow 8; C.I. Vat Yellow 8; C.I. 65405; Flavanthrone; Indanthren Yellow G; Pyranthrone; Solubilised Flavanthrone; 16,17-Dihydrodinaphtho[2,3-a:2',3'-i]phenazine-5,10-dione
EINECS	229-456-0

Quality Control

Our Solubilised Vat Yellow 8 is manufactured under a strict quality management system. Every batch is tested to ensure consistent shade, strength, solubility, and fastness properties critical for industrial applications. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as color strength, solubility, and impurity profile to guarantee batch-to-batch reliability and performance.

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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Solubility (in specified medium)	Clear Solution
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Particle Size (Typical)	Pass through 80 mesh

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