Description

Neutral (Type V) Thionin, Wheat is a high-purity, standardized biological stain derived from wheat germ. This product is essential for achieving consistent, high-contrast staining in histological and cytological applications, particularly for nucleic acids and specific tissue components. It is a critical reagent for research and diagnostic laboratories in life sciences, pathology, and biotechnology, where staining reproducibility is paramount for accurate analysis and results.

Application

• Histological Staining: Used as a metachromatic dye for staining nucleic acids (DNA and RNA) in tissue sections, providing contrast in Nissl staining for neurons and other specialized protocols.
• Cytological Analysis: Employed in staining blood smears, bone marrow, and other cytological preparations to differentiate cell structures under light microscopy.
• Microbiological Staining: Applicable in specific staining techniques for microorganisms to enhance visibility and morphological study.
• Botanical Research: Used in plant histology to stain chromosomes and other cellular components during mitosis and meiosis.
• Educational Demonstrations: Serves as a standard biological stain in academic teaching laboratories for fundamental histology and cell biology courses.
• Quality Control in Diagnostics: Acts as a reference stain in clinical pathology laboratories to ensure staining consistency and protocol validation.

Basic Information

Item	Details
Product Name	Neutral (Type V) Thionin, Wheat
CAS No.	147205-78-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Thionin, Wheat Germ; C.I. 52000; Lauth's Violet; Thionine; 3,7-Diaminophenothiazin-5-ium Chloride; Thionine Chloride; Basic Violet 2; Tolonium Chloride (related compound)
EINECS	Contact for details

Quality Control

Our Neutral (Type V) Thionin, Wheat is manufactured and tested to meet stringent quality standards suitable for research and diagnostic use. Each batch undergoes rigorous analytical testing to ensure identity, purity, and staining performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurities, and performance tests is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Dark green to brownish-black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 85% (as Thionin)
Solubility	Soluble in water, slightly soluble in ethanol
Loss on Drying	≤ 5.0 %
Staining Performance	Meets defined biological staining criteria

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