Description

Phenosafranin is a synthetic phenazine dye widely recognized for its role as a redox indicator and biological stain. Its core value lies in its distinct color change properties and selective staining capabilities, which are essential for precise analytical and histological procedures. This compound is a critical reagent for researchers and quality control laboratories in the biotechnology, pharmaceutical, and diagnostic industries, where reliable and consistent staining is paramount.

Application

• Biological Staining: Used as a vital stain in microbiology and cell biology for differentiating cellular structures.
• Redox Indicator: Employed in analytical chemistry and biochemistry to visually indicate oxidation-reduction potential changes in reactions.
• Textile Dyeing: Functions as a specialized dye for silk, wool, and other natural fibers in research and small-scale applications.
• Photographic Sensitizer: Acts as a spectral sensitizer in certain photographic emulsions and photochemical research.
• Electron Acceptor in Research: Utilized in biochemical studies to investigate electron transport chains and enzymatic activities.
• Fluorescence Quenching Studies: Applied in spectroscopic research as a model compound for studying fluorescence resonance energy transfer (FRET) and quenching mechanisms.

Basic Information

Product Name	Phenosafranin
CAS No.	81-93-6
Molecular Formula	C18H15ClN4
Molecular Weight	322.79 g/mol
Synonyms	3,7-Diamino-5-phenylphenazinium chloride; Phenosafranine; Safranin T extra; Basic Red 12; C.I. 50200; Euflavine; Phenosafranine chloride
EINECS	201-396-1

Quality Control

Our Phenosafranin is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability for sensitive applications. Each lot undergoes comprehensive analysis, including identity confirmation, purity assay, and impurity profiling. A detailed Certificate of Analysis (COA) documenting all test results 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 a controlled room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Solubility	Soluble in water and ethanol
Absorption Maxima	530 - 540 nm (in water)

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