Description

Directviolet32 is a synthetic organic dye belonging to the direct dye class, identified by CAS No. 6428-94-0. It is valued for its strong affinity to cellulosic fibers, providing deep, vibrant violet shades with good wash-fastness properties. This product is essential for industrial operations in the textile, paper, and leather industries requiring efficient and consistent coloration.

Application

• Textile Dyeing: Primary application for dyeing cotton, rayon, and other cellulosic fabrics to achieve uniform violet hues.
• Paper Coloring: Used in the manufacture of colored papers, tissues, and specialty packaging materials.
• Leather Finishing: Imparts color to leather goods in the tanning and finishing processes.
• Ink Formulation: Serves as a colorant component in the production of certain inks and toners.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Wood Staining: Applied for decorative coloring of wood and related porous materials.

Basic Information

Product Name	Directviolet32
CAS No.	6428-94-0
Molecular Formula	C34H28N6Na2O8S2
Molecular Weight	774.78 g/mol
Synonyms	Direct Violet 32; C.I. 24410; Benzo Violet; Direct Violet BN; C.I. Direct Violet 32; Pontamine Violet BN; Chlorazol Violet BN; Aizen Direct Violet BH
EINECS	229-218-1

Quality Control

Our Directviolet32 is manufactured under a strict quality management system. Each batch is tested to ensure it meets precise color strength, shade, and purity specifications relevant for industrial dyeing applications. A Certificate of Analysis (COA) detailing key parameters is provided with every shipment to guarantee consistency 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 incompatible materials. Due to its light-sensitive nature, minimize exposure during handling.

Specification

Item	Specification
Appearance	Dark violet to brown powder
Identification (IR)	Conforms to standard
Assay (Color Strength)	≥ 95% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Shade	Conforms to standard
pH (1% Solution)	6.0 - 8.0

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