Description

Direct Brown 214 is a high-performance, synthetic azo dye belonging to the direct dye class, valued for its strong affinity to cellulosic fibers without the need for a mordant. Its primary value lies in providing excellent wash and light fastness, delivering consistent and vibrant brown shades for industrial-scale coloration. This product is essential for manufacturers in the textile, leather, and paper industries seeking reliable and cost-effective dyeing solutions for natural materials like cotton, viscose, and paper pulp.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, rayon, and other cellulosic fibers in exhaust and continuous dyeing processes.
• Leather Coloring: Used for dyeing leather goods, providing uniform and deep brown coloration with good penetration.
• Paper Industry: Employed in the coloring of paper, paperboard, and specialty papers where a direct dye is required.
• Wood Staining: Applicable for staining wood and related products to achieve desired brown tones.
• Ink Formulation: Can be utilized as a colorant in the formulation of certain types of inks.
• Biological Staining: Potential use as a histological stain in laboratory settings, subject to specific purity grades.

Basic Information

Product Name	Direct Brown 214
CAS No.	61901-67-5
Molecular Formula	C40H26N10Na4O13S4
Molecular Weight	1088.9 g/mol
Synonyms	Direct Brown 214; C.I. Direct Brown 214; Direct Brown GR; Direct Brown G; Direct Brown M; Direct Fast Brown GR; Amanil Brown GR; Atul Direct Brown GR
EINECS	Contact for details

Quality Control

Our Direct Brown 214 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including color strength, shade, solubility, and fastness properties. While produced to industrial-grade specifications, we can discuss compliance with specific standards such as ISO or Oeko-Tex upon request. A detailed Certificate of Analysis (COA) 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. The product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	Brown to dark brown powder
Identification	Conforms (IR / TLC)
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Shade	Conforms to standard
Solubility in Water	Conforms
Fastness Properties (Typical)	Light: 4-5; Wash: 3-4

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