Description

Acid Violet 9 is a synthetic anthraquinone dye known for its vibrant violet color. It is valued for its strong tinctorial strength and good lightfastness in various applications. This dye is essential for manufacturers in the textile, ink, and specialty coatings industries seeking a reliable and consistent violet hue. Its properties make it suitable for dyeing wool, silk, and nylon, as well as for coloring paper and inks.

Application

• Primary dye for wool, silk, and nylon fibers in the textile industry.
• Coloration agent for inks, including writing inks and specialty printing inks.
• Pigment for paper coloring and surface coating applications.
• Staining agent in biological and histological applications.
• Colorant for leather and fur dyeing processes.
• Manufacture of colored pencils, crayons, and artist's materials.

Basic Information

Product Name	Acid Violet 9
CAS No.	6252-76-2
Molecular Formula	C20H11N2NaO5S
Molecular Weight	414.37 g/mol
Synonyms	Acid Violet 9; C.I. 45190; D&C Violet No. 2; Ext. D&C Violet No. 2; Food Violet 2; Wool Violet 5BN; Acid Violet 5BN; Anthraquinone Violet; 1-Hydroxy-4-[(4-methylphenyl)amino]-9,10-anthracenedione sodium sulfonate
EINECS	228-386-9

Quality Control

Our Acid Violet 9 is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise color strength, purity, and solubility specifications. A Certificate of Analysis (COA) detailing assay, impurity profile, and physical parameters is provided with every shipment to guarantee consistency and performance for your application.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark violet powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%

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