Description

Crystal Violet is a synthetic triphenylmethane dye, also known as Gentian Violet, with the CAS registry number 39393-39-0. This versatile compound is a critical reagent in microbiology and histology, valued for its strong staining properties and role as a pH indicator. It is an essential material for professionals in the pharmaceutical, biotechnology, and industrial manufacturing sectors.

Application

• Microbiological Staining: A primary component in Gram's staining method for the classification of bacteria.
• Histology and Cytology: Used for staining cell nuclei and other tissue components in microscopy.
• Veterinary and Aquaculture Medicine: Employed as an antifungal and antiseptic agent.
• Industrial Dye: Utilized in the coloring of textiles, inks, and paper products.
• Laboratory Reagent: Serves as a pH indicator, changing color across a range of pH values.
• Research and Development: Used in various biochemical and pharmaceutical research applications.

Basic Information

Product Name	Crystal Violet
CAS No.	39393-39-0
Molecular Formula	C25H30ClN3
Molecular Weight	407.98 g/mol
Synonyms	Gentian Violet; Methyl Violet 10B; Basic Violet 3; Aniline Violet; Hexamethyl Pararosaniline Chloride; C.I. 42555; [4-[Bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-dimethylammonium chloride
EINECS	254-169-1

Quality Control

Our Crystal Violet is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, assay, and impurity profiling, to ensure it meets the high standards required for laboratory and industrial use. Certificates of Analysis (COA) confirming specifications for purity, color value, and solubility are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure containers are sealed tightly after each use to prevent degradation.

Specification

Item	Specification
Appearance	Dark green powder or crystals with metallic luster
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 90.0%
Loss on Drying	≤ 2.0%
Solubility	Soluble in water and alcohol
pH (1% Solution)	2.0 - 3.5
Heavy Metals (as Pb)	≤ 20 ppm

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