Description

Acid Violet 43 is a synthetic organic dye belonging to the anthraquinone class, valued for its vibrant and stable violet color. This product is engineered for high-performance applications where consistent shade, purity, and fastness properties are critical. It is primarily utilized by manufacturers in the textile, leather, and specialty ink industries for dyeing and printing processes.

Application

• Textile Dyeing: Used for dyeing wool, silk, and polyamide (nylon) fibers to achieve violet shades with good light and wash fastness.
• Leather Finishing: Applied in the coloration of leather goods, providing rich and uniform violet hues.
• Ink Manufacturing: Serves as a colorant in the production of specialty inks for various printing applications.
• Paper Staining: Employed for tinting high-grade papers and decorative paper products.
• Biological Staining: Used in specific histological and microbiological staining procedures in laboratory settings.
• Plastics and Polymers: Can be incorporated as a colorant for certain types of plastics and synthetic materials.

Basic Information

Product Name	Acid Violet 43
CAS No.	4430-18-6
Molecular Formula	C20H11N2NaO5S
Molecular Weight	414.37 g/mol
Synonyms	Acid Violet A; C.I. 60730; Alizarin Violet 3R; Alizarin Violet A; Acid Alizarin Violet N; Wool Violet A; Sodium 1-amino-4-(cyclohexylamino)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate; 1-Amino-4-(cyclohexylamino)anthraquinone-2-sulfonic acid sodium salt
EINECS	224-622-1

Quality Control

Our Acid Violet 43 is produced under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against established specifications for critical parameters including color strength, shade, solubility, and impurity profile. A Certificate of Analysis (COA) detailing these results is provided with every shipment to support your quality assurance protocols.

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. The product is light-sensitive (store away from light).

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.