Description

Methyl Green CAS NO 14855-76-6 is a synthetic cationic dye belonging to the triarylmethane class, widely recognized for its vivid green color and specific binding affinity to nucleic acids. This compound is essential for researchers and industrial professionals requiring precise biological and histological staining. It is primarily utilized in life sciences, diagnostics, and specialized material science applications where accurate visualization and differentiation are critical.

Application

• Histological Staining: Used as a counterstain in biological tissue analysis, particularly in combination with other dyes for nuclear staining.
• Microbiological Research: Employed in staining procedures for bacteria and other microorganisms to enhance contrast under microscopy.
• Nucleic Acid Detection: Applied in gel electrophoresis and blotting techniques to visualize DNA and RNA fragments.
• Cytological Studies: Facilitates the examination of cell structures and chromosomes in cytogenetics.
• Educational Kits: A key component in prepared staining kits for academic and training laboratories.
• Industrial Indicator: Can serve as a colorimetric pH indicator or tracer in specific non-biological analytical processes.

Basic Information

Product Name	Methyl Green
CAS No.	14855-76-6
Molecular Formula	C26H33Cl2N3
Molecular Weight	458.47 g/mol
Synonyms	Methyl Green C.I. 42585; Methyl Green OO; Basic Green 5; C.I. 42585; Ethyl Green; Methyl Green (C.I. 42585); Methyl Green zinc chloride salt; [4-[[4-(Dimethylamino)phenyl][4-(methylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]dimethylammonium chloride zinc chloride salt
EINECS	238-943-4

Quality Control

Our Methyl Green is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is analyzed for key parameters including dye content, spectral properties, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and performance specifications 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. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Dark green powder or crystals with metallic luster
Identification (IR)	Conforms to structure
Assay (Dye Content)	≥ 85%
Loss on Drying	≤ 5.0 %
Absorbance (λ max)	630 - 635 nm
Solubility	Soluble in water, slightly soluble in 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.