Description

Fuchsin Basic CAS NO 58969-01-0 is a synthetic cationic dye belonging to the triarylmethane class, known for its intense magenta to violet color. This compound is a fundamental biological stain and a critical reagent in diagnostic microbiology and histology. It is essential for laboratories and manufacturers in the life sciences, textile, and specialty chemical industries requiring a reliable, high-purity staining agent.

Application

• Histological Staining: A primary component in Ziehl-Neelsen and other acid-fast staining procedures for identifying Mycobacterium tuberculosis and related organisms.
• Microbiological Diagnostics: Used in Gram staining as a counterstain and in various selective media formulations for bacterial differentiation.
• Textile Dyeing: Imparts vibrant magenta and violet shades to silk, wool, and other protein-based fibers.
• Ink Manufacturing: Serves as a colorant for specialty inks, including stamp pad and flexographic inks.
• Paper Coloring: Used in the production of colored papers and for surface tinting.
• Educational & Research Laboratories: A standard reagent for teaching and research in microbiology, cell biology, and pathology.
• Chemical Synthesis: Acts as an intermediate or precursor in the synthesis of more complex dyes and photochemical agents.

Basic Information

Product Name	Fuchsin Basic
CAS No.	58969-01-0
Molecular Formula	C20H20ClN3
Molecular Weight	337.85 g/mol
Synonyms	Basic Fuchsin; Magenta I; Pararosaniline Chloride; Basic Violet 14; CI 42510; Fuchsin, Basic; Pararosaniline hydrochloride; Rosaniline chloride
EINECS	261-517-8

Quality Control

Our Fuchsin Basic is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) detailing specifications such as dye content, solubility, and absorbance are provided to guarantee the material meets the stringent requirements for diagnostic and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, minimize exposure during handling.

Specification

Item	Specification
Appearance	Dark green crystalline powder with metallic luster
Identification (IR)	Conforms to structure
Assay (Dye Content)	≥ 85%
Solubility (in Water)	Complete, clear solution
Loss on Drying	≤ 5.0%
Absorbance (λ max)	540 - 550 nm

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