Description

Acid Violet 17 is a synthetic anthraquinone-based acid dye renowned for its vibrant violet hue and excellent colorfastness properties. This dye is critical for achieving consistent, high-quality coloration with strong affinity for protein fibers like wool, silk, and nylon. It is an essential material for manufacturers in the textile, leather, and paper industries seeking reliable and wash-fast violet shades. Acid Violet 17 CAS NO 4129-84-4 is also utilized in specialized applications such as the staining of biological tissues and as a colorant for inks and coatings.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fabrics and yarns to achieve violet shades with good wash and light fastness.
• Leather Finishing: Used in the coloration of leather goods, providing rich and uniform violet colors.
• Paper Coloring: Employed as a colorant for specialty papers, including decorative and security papers.
• Ink Manufacturing: Serves as a pigment for inks used in writing instruments, printers, and stamp pads.
• Biological Staining: Utilized in histology and microscopy as a stain for cellular and tissue analysis.
• Polymer Coloring: Incorporated into synthetic polymers and plastics to impart a stable violet color.

Basic Information

Product Name	Acid Violet 17
CAS No.	4129-84-4
Molecular Formula	C20H12N2Na2O8S2
Molecular Weight	566.43 g/mol
Synonyms	Acid Violet A; C.I. Acid Violet 17; C.I. 42650; Acid Violet R; Anthraquinone Violet; Wool Violet AS; Supranol Violet AR; Lissamine Violet A; Acid Leather Violet AR; Naphthalene Violet
EINECS	223-928-2

Quality Control

Our Acid Violet 17 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous internal specifications for color strength, purity, shade, and solubility. A Certificate of Analysis (COA) detailing key parameters is provided with every shipment to guarantee compliance with your technical 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 product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark Violet Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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