Description

Methyl Green Zinc Chloride Salt is a vital histological and biological stain, recognized for its distinct metachromatic properties. This compound is essential for precise nuclear staining in microscopy, enabling clear differentiation of cellular structures in pathological and cytological studies. It is a critical reagent for researchers and laboratories in the life sciences, histology, and diagnostic sectors requiring reliable and consistent staining performance.

Application

• Histological Staining: Primary application for staining cell nuclei (chromatin) in tissue sections, often used in combination with other counterstains.
• Cytological Analysis: Used in Pap smears and other cytological preparations to visualize nuclear detail.
• Microscopy & Diagnostics: A key component in standardized staining kits for clinical pathology and research laboratories.
• Bacteriology: Employed in certain differential staining protocols to identify bacterial characteristics.
• Textile Industry: Can be utilized as a colorant for specific dyeing applications.
• Educational & Research: Used in academic settings for teaching histology and cell biology techniques.

Basic Information

Product Name	Methyl Green Zinc Chloride Salt
CAS No.	7714-03-6
Molecular Formula	C27H35Br2ClN3•ZnCl2
Molecular Weight	~ 789.55 g/mol (for salt complex)
Synonyms	Methyl Green; Methyl Green ZnCl2 Salt; Basic Green 5, zinc chloride salt; C.I. 42585; Ethyl Green; Double Green SF; Methyl Green OO; Methyl Green (histological); Methyl Green Stain; Methyl Green (certified)
EINECS	Contact for details

Quality Control

Our Methyl Green Zinc Chloride Salt is produced and tested to meet the stringent requirements of histological and biological applications. Each batch undergoes rigorous quality testing, including identity confirmation, purity assessment, and performance validation in staining protocols. A comprehensive Certificate of Analysis (COA) detailing specifications and test results is provided to ensure traceability and compliance with your quality standards.

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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green crystalline powder or granules
Identification (IR)	Conforms to structure
Assay (Dye Content)	≥ 85%
Loss on Drying	≤ 5.0 %
Solubility	Soluble in water, slightly soluble in ethanol
Absorbance Spectrum	Conforms to reference
Staining Performance	Passes biological stain commission test

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