Description

Cresyl Fast Violet CAS NO 6625-37-2 is a synthetic violet dye belonging to the triarylmethane class, valued for its intense and stable coloration. This compound is essential for applications requiring a reliable and vivid violet hue with good lightfastness properties. It is primarily sought after by manufacturers in the textile, ink, and specialty coatings industries for dyeing and pigmenting purposes.

Application

• Textile Dyeing: Used for coloring natural and synthetic fibers, including wool, silk, and nylon, to achieve a consistent violet shade.
• Ink Formulation: Serves as a key colorant in the production of printing inks for packaging, publications, and security applications.
• Specialty Coatings: Incorporated into paints, lacquers, and wood stains to provide decorative and protective violet finishes.
• Biological Staining: Employed in histological and microbiological laboratories as a staining agent for tissue samples.
• Paper Coloring: Applied in the manufacture of colored papers and paper products.
• Plastics and Polymers: Used to impart color to various plastic materials during the manufacturing process.

Basic Information

Product Name	Cresyl Fast Violet
CAS No.	6625-37-2
Molecular Formula	C23H26N3O4S
Molecular Weight	440.54 g/mol
Synonyms	Cresyl Violet; Cresyl Violet Acetate; Basic Violet 10; C.I. 45170; Cresyl Fast Violet 2B; 9-Amino-5-imino-5H-benzo[a]phenoxazin-3-yl acetate; 9-Amino-5-iminobenzo[a]phenoxazin-3-yl acetate
EINECS	229-580-3

Quality Control

Our Cresyl Fast Violet is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is tested against rigorous in-house specifications for critical parameters such as color strength, purity, and solubility. A comprehensive Certificate of Analysis (COA) detailing the 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 and sources of ignition.

Specification

Item	Specification
Appearance	Dark green to violet powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Solubility	Soluble in water and ethanol
Heavy Metals (as Pb)	≤ 20 ppm

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