Description

C.I. Acid Violet 66 is a synthetic organic dye belonging to the anthraquinone class of acid dyes, valued for its vibrant violet hue and good lightfastness. This high-performance colorant is engineered to deliver consistent, brilliant coloration with strong affinity for protein-based fibers like wool, silk, and nylon. It is an essential raw material for the textile dyeing and leather finishing industries, where it is also utilized in the production of inks, paper, and specialty coatings.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers to achieve a uniform violet shade.
• Leather Finishing: Used in the coloration of leather goods, providing rich and durable color.
• Ink Manufacturing: Serves as a colorant for specialty inks, including those for pens and markers.
• Paper Coloring: Employed in the production of colored papers and decorative paper products.
• Wood Staining: Applied in formulations for wood stains and finishes.
• Biological Staining: Potential use as a histological stain in laboratory settings.

Basic Information

Product Name	C.I. Acid Violet 66
CAS No.	12220-53-0
Molecular Formula	C20H14N2Na2O8S2
Molecular Weight	528.43 g/mol
Synonyms	Acid Violet 66; C.I. 62125; Acid Fast Violet A2R; Anthraquinone Violet; Acid Leather Violet N; Supranol Fast Violet A2R; Telon Fast Violet A2R; Nylosan Violet N-FBL; Acid Violet 5R
EINECS	235-411-2

Quality Control

Our production of C.I. Acid Violet 66 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance. The material is tested against key parameters including color strength, shade, solubility, and impurity profile. Certificates of Analysis (COA) detailing purity, physical properties, and conformance to specification are available upon request for all shipments.

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.

Specification

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