Description

6-Hydroxy-9-(Diethylamino)-5-Oxo-5H-Benzo[A]Phenothiazine-2-Sulfonic Acid Sodium Salt is a high-purity, water-soluble phenothiazine derivative valued for its unique photophysical and electrochemical properties. This compound serves as a critical functional intermediate and specialty dye precursor in advanced material synthesis. It is primarily sought by manufacturers and R&D laboratories in the organic electronics, analytical chemistry, and specialty chemical sectors for developing sensors, indicators, and novel chromophores.

Application

• Electrochromic Material Synthesis: A key precursor for developing smart windows and display technologies.
• Fluorescent Probe & Sensor Development: Used in the creation of pH-sensitive or metal-ion-selective indicators for analytical and biomedical applications.
• Organic Semiconductor Research: Serves as a building block for novel charge-transport materials in electronic devices.
• Specialty Dye & Pigment Manufacturing: Acts as an intermediate for producing high-value, functional dyes with specific light-absorption characteristics.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer component in medical research applications.
• Catalysis & Ligand Chemistry: Utilized in the design of novel ligands for catalytic systems due to its electron-donating properties.

Basic Information

Product Name	6-Hydroxy-9-(Diethylamino)-5-Oxo-5H-Benzo[A]Phenothiazine-2-Sulfonic Acid Sodium Salt
CAS No.	6379-00-6
Molecular Formula	C22H19N2O5S2•Na
Molecular Weight	486.51 g/mol
Synonyms	Benzo[a]phenothiazin-5-ium, 6-hydroxy-9-(diethylamino)-5-oxo-, inner salt, 2-sulfonate; Sodium 6-hydroxy-9-(diethylamino)-5-oxo-5H-benzo[a]phenothiazine-2-sulfonate; Methylene Blue Derivative; Azure B Sulfonate Derivative; Phenothiazine Sulfonic Acid Sodium Salt; Thionine Derivative; 6379-00-6; Light-sensitive phenothiazine dye
EINECS	228-947-2

Quality Control

Our 6-Hydroxy-9-(Diethylamino)-5-Oxo-5H-Benzo[A]Phenothiazine-2-Sulfonic Acid Sodium Salt is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting R&D and commercial-grade specifications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and consistent performance.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Dark green to blue-black powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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