Description

Vat Brown 72 is a high-performance vat dye belonging to the anthraquinone chemical class, known for its excellent color fastness and stability. This compound is essential for achieving deep, durable brown shades on cellulosic fibers like cotton, linen, and viscose. It is a critical raw material for textile manufacturers, leather dyers, and specialty ink producers who require consistent, high-quality coloration with superior resistance to washing, light, and perspiration. Vat Brown 72 CAS NO 12237-41-1 is valued for its reliable performance in demanding industrial dyeing and printing processes.

Application

• Primary dyeing of cotton, linen, and other cellulosic textiles for apparel and home furnishings.
• Coloration of viscose rayon and lyocell fabrics.
• Dyeing of leather goods requiring high color fastness.
• Production of specialty inks for security printing or artistic applications.
• Manufacturing of colored paper and packaging materials.
• Used in batch and continuous dyeing processes in the textile industry.
• Application in garment dyeing for uniform color results.

Basic Information

Product Name	Vat Brown 72
CAS No.	12237-41-1
Molecular Formula	C42H18N4O8
Molecular Weight	706.62 g/mol
Synonyms	C.I. Vat Brown 72; Vat Brown 72; C.I. 69015; Cibanone Brown 3R; Indanthren Brown 3R; Caledon Brown 3R; Navinon Brown 3R; Anthraquinone-based vat dye brown
EINECS	Contact for details

Quality Control

Our Vat Brown 72 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including shade, strength, diffusion properties, and particle size distribution. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and application performance is provided with each shipment. Our quality protocols are designed to meet the demanding specifications of global textile and industrial dye consumers.

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. The container should be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Brown Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (Standard)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Particle Size	≥ 95% passes 80 mesh
Diffusion Property	≥ Class 4
Dusting Property	≤ Class 3

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