Description

Direct Fast Violet 2Rl is a synthetic azo dye belonging to the class of direct dyes, known for its strong affinity to cellulosic fibers. Its primary value lies in providing a vibrant violet color with good wash and light fastness properties, making it a reliable choice for consistent batch-to-batch coloration. This product is essential for industrial operations in the textile dyeing and printing sectors, where it is used to color cotton, viscose, and other natural fibers.

Application

• Textile Dyeing: Primary application for dyeing cotton, rayon, and other cellulosic fabrics to achieve a uniform violet shade.
• Yarn Coloring: Used in the coloration of cotton and viscose yarns for weaving and knitting applications.
• Paper Staining: Employed as a colorant for specialty papers, including decorative and packaging papers.
• Leather Finishing: Applied in the dyeing of leather goods to provide rich, violet hues.
• Ink Formulation: Serves as a pigment in the manufacture of inks for specific printing applications.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	Direct Fast Violet 2Rl
CAS No.	6227-10-7
Molecular Formula	C34H23N7Na2O10S2
Molecular Weight	807.76 g/mol
Synonyms	Direct Violet 2R; C.I. Direct Violet 9; Direct Fast Violet R; Direct Violet RL; Direct Violet 2RL; Pontamine Violet RL; Aizen Direct Violet RH; Atul Direct Fast Violet R
EINECS	228-319-5

Quality Control

Our Direct Fast Violet 2Rl is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. The product is tested against key parameters including color strength, shade, solubility, and fastness properties. A Certificate of Analysis (COA) detailing purity, physical properties, and performance metrics is provided with every shipment to guarantee it meets your specific application requirements.

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 container must be kept tightly closed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Dark Violet Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (Standard)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Fastness to Washing	≥ 3-4 (ISO 105-C03)
Fastness to Light	≥ 5 (ISO 105-B02)

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