Description

Hofmann’S Violet CAS NO 8004-86-2 is a triphenylmethane dye belonging to the methyl violet family, recognized for its distinctive purple color and staining properties. This compound is valued for its consistent performance as a biological stain and colorimetric indicator in various industrial and laboratory processes. It serves as a critical reagent for professionals in the histology, microbiology, textile, and ink manufacturing sectors, where precise coloration and reliable batch-to-batch consistency are paramount.

Application

• Biological Staining: Widely used as a histological stain for differentiating tissues and as a component in Gram staining for bacterial classification in clinical and research laboratories.
• Textile Dyeing: Employed in the coloration of silk, wool, and other natural fibers, as well as in the production of inks and paper.
• Analytical Chemistry: Functions as a pH indicator and a colorimetric reagent in various chemical assays and titration endpoints.
• Educational & Research: A standard reagent for teaching microscopy techniques and for use in life science research protocols.
• Industrial Markers: Used in the formulation of specialty inks, including stamp pad inks and security markers.

Basic Information

Product Name	Hofmann’S Violet
CAS No.	8004-86-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Methyl Violet 2B; Basic Violet 1; Gentian Violet (related); Aniline Violet; Hexamethyl-p-rosaniline chloride; C.I. 42535; Hoffman's Violet; Methyl Violet BN
EINECS	Contact for details

Quality Control

Our Hofmann’S Violet is produced and tested under a rigorous quality management system to ensure it meets the stringent requirements of industrial and laboratory applications. Each batch is analyzed for key parameters including color strength, solubility, and purity profile. A comprehensive Certificate of Analysis (COA) documenting these results is available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials.

Specification

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

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