Description

Vat Brown 68 is a synthetic organic pigment belonging to the vat dye class, known for its excellent color fastness and chemical stability. This compound is valued for its ability to produce deep, durable brown shades that are resistant to light, washing, and various chemical agents. It is primarily utilized by manufacturers in the textile, leather, and specialty coatings industries seeking high-performance coloring solutions for demanding applications.

Application

• Primary dyeing and printing of cellulosic fibers such as cotton, linen, and rayon.
• Coloration of leather goods, providing rich, long-lasting brown tones.
• Manufacturing of high-grade artist paints and industrial inks requiring superior lightfastness.
• Pigmentation for specialty plastics and polymers where color stability is critical.
• Use in the production of paper for decorative and archival purposes.
• Application in wood stains and coatings to achieve consistent, durable coloration.

Basic Information

Product Name	Vat Brown 68
CAS No.	12237-38-6
Molecular Formula	C42H18N2O6
Molecular Weight	646.60 g/mol
Synonyms	C.I. Vat Brown 68; C.I. 69015; Vat Brown BR; Cibanone Brown BR; Caledon Brown BR; Indanthren Brown BR; 16,17-Dihydrodinaphtho[2,3-a:2',3'-h]phenazine-5,9,14,18-tetrone
EINECS	Contact for details

Quality Control

Our Vat Brown 68 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity, color strength, and application performance. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance protocols.

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.

Specification

Item	Specification
Appearance	Brown Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Purity (HPLC)	≥ 95.0%
Moisture Content	≤ 2.0%
Ash Content	≤ 1.0%
Particle Size (Passing 80 mesh)	≥ 95%

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