Description

Basic Violet 2 is a synthetic cationic dye belonging to the triarylmethane class, known for its vibrant violet hue and strong affinity for various substrates. This compound is valued for its excellent tinctorial strength and colorfastness properties, making it a critical component in demanding industrial coloration processes. It is primarily utilized by manufacturers in the textile, paper, and specialty ink industries seeking consistent, high-quality pigmentation.

Application

• Textile Dyeing: Used for coloring silk, wool, and polyacrylonitrile fibers, providing deep violet shades.
• Paper Coloring: Employed in the production of colored papers, tissues, and decorative paper products.
• Biological Staining: Acts as a histological stain in laboratory settings for microscopic analysis.
• Ink Manufacturing: A key pigment for specialty inks, including stamp pad inks and security inks.
• Leather Finishing: Used to dye leather goods, offering rich and uniform color.
• Wood Staining: Applied for tinting wood and wood-based products.

Basic Information

Product Name	Basic Violet 2
CAS No.	3248-91-7
Molecular Formula	C₂₀H₁₉N₃·HCl
Molecular Weight	337.85 g/mol (as hydrochloride salt)
Synonyms	Basic Violet BN; C.I. 42520; Methyl Violet 2B; Methyl Violet B; Methyl Violet 2BN; Gentian Violet B; Aizen Methyl Violet 2BH; Pararosaniline, N,N,N',N',N'',N''-hexamethyl-
EINECS	221-831-7

Quality Control

Our Basic Violet 2 is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for color strength, purity, and solubility. A Certificate of Analysis (COA) documenting identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your quality 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 incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Dark green powder or crystals with metallic luster
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 5% (vs. Standard)
Loss on Drying	≤ 2.0%
Ash Content	≤ 1.0%
Solubility	Freely soluble in water and ethanol

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