Description

C.I. Acid Violet 102 is a synthetic, water-soluble acid dye belonging to the anthraquinone chemical class, known for its vibrant violet hue and excellent lightfastness. It is a critical component for achieving durable and brilliant coloration in various industrial substrates, offering superior performance over natural colorants. This dye is essential for manufacturers in the textile, leather, and specialty paper industries seeking consistent, high-quality color results. Its chemical stability and compatibility with acidic dyeing processes make it a reliable choice for professional applications.

Application

• Textile Dyeing: Primarily used for dyeing protein fibers like wool, silk, and nylon, as well as for printing on these materials.
• Leather Finishing: Employed in the coloration of leather goods, providing rich and uniform shades with good adhesion.
• Paper Staining: Used for the production of colored papers, including specialty and decorative papers, where lightfastness is important.
• Ink Formulation: A colorant component in the manufacture of certain types of inks, including those for pens and stamp pads.
• Biological Staining: Can be utilized as a histological stain in laboratory settings for microscopic analysis.
• Polymer Coloring: Suitable for tinting specific synthetic polymers and plastics during manufacturing.

Basic Information

Product Name	C.I. Acid Violet 102
CAS No.	12220-58-5
Molecular Formula	C20H16N2Na2O8S2
Molecular Weight	522.45 g/mol
Synonyms	Acid Violet 102; C.I. 12220; Acid Violet 5B; Acid Violet R; Anthraquinone Violet; Acid Leather Violet 5B; Sodium 1-amino-4-[(4-aminophenyl)amino]-9,10-dioxo-9,10-dihydroanthracene-2-sulphonate
EINECS	235-402-5

Quality Control

Our C.I. Acid Violet 102 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against key parameters including color strength, shade, solubility, and impurity profile to meet industry specifications. Certificates of Analysis (COA) documenting purity, heavy metal content, and other relevant tests are 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 strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark Violet Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (Standard)
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 30.0%
Heavy Metals (as Pb)	≤ 20 ppm
Shade	Matches Standard

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