Description

Methyl Violet R is a synthetic triphenylmethane dye belonging to the methyl violet family, identified by CAS No. 61968-16-9. It is valued for its intense violet color and is a crucial component in various staining and coloring applications where consistent hue and performance are required. This product is essential for manufacturers and laboratories in the biological, textile, and specialty ink industries seeking a reliable and high-quality colorant.

Application

• Biological Staining: Widely used as a primary stain in Gram staining procedures for the differentiation of bacterial species in microbiology and clinical diagnostics.
• Textile Dyeing: Employed for dyeing silk, wool, and other protein-based fibers, as well as for coloring paper and leather goods.
• Ink Manufacturing: Serves as a key pigment in the production of specialty inks, including stamp pad inks and ballpoint pen inks.
• Indicator Chemistry: Utilized as a pH indicator, changing color across a specific range in analytical chemistry applications.
• Educational & Research: A standard reagent in academic and industrial research laboratories for histological and cytological studies.
• Industrial Markers: Used in the formulation of non-permanent markers and color-coded identification systems.

Basic Information

Product Name	Methyl Violet R
CAS No.	61968-16-9
Molecular Formula	C24H28N3Cl
Molecular Weight	393.95 g/mol
Synonyms	Basic Violet 1R; Methyl Violet 2B; Gentian Violet B; C.I. 42535; Hexamethylpararosaniline Chloride; Aniline Violet R; Pyoktanin; Crystal Violet (related but distinct compound, often listed synonymously)
EINECS	Contact for details

Quality Control

Our Methyl Violet R is manufactured under a strict quality management system to ensure batch-to-batch consistency and reliability. Each lot is tested against stringent in-house specifications for key parameters including color strength, purity, and solubility. A Certificate of Analysis (COA) detailing these 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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark green powder with metallic luster
Identification (IR)	Conforms to standard
Assay (Dye Content)	Min. 85%
Loss on Drying	Max. 5.0%
Solubility (in Water)	Completely soluble, clear solution
Ash Content	Max. 1.5%

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