Description

3,7-Diaminophenothiazin-5-Ium Tetraphenylborate is a specialized organic salt derived from the phenothiazine dye class, known for its distinct electrochemical and photophysical properties. This compound matters as a high-purity chemical intermediate and reference standard for advanced research and development. It is primarily needed by manufacturers and researchers in the pharmaceutical, analytical chemistry, and material science sectors for applications such as sensor development and redox-active material synthesis.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel phenothiazine-based drug candidates and active pharmaceutical ingredients (APIs).
• Analytical Reference Standard: Serves as a certified reference material (CRM) for method development and validation in HPLC and spectroscopic analysis.
• Electrochemical Sensor Development: Employed as a key component or mediator in the fabrication of biosensors and chemical sensors due to its redox activity.
• Organic Electronics: Investigated for use in organic light-emitting diodes (OLEDs) and other optoelectronic devices as a charge-transport or emissive layer material.
• Dye and Pigment Research: Acts as a precursor for synthesizing specialized dyes with specific light-absorption characteristics.
• Academic and Industrial R&D: Utilized in fundamental research on charge-transfer complexes, organic semiconductors, and photodynamic therapy agents.

Basic Information

Product Name	3,7-Diaminophenothiazin-5-Ium Tetraphenylborate
CAS No.	84145-75-5
Molecular Formula	C42H34BN5S
Molecular Weight	651.62 g/mol
Synonyms	Methylene Blue Tetraphenylborate; Methylene Blue TPB Salt; 3,7-Diamino-5-phenothiazinium Tetraphenylborate; Tetraphenylborate Salt of Methylene Blue; Azure B Tetraphenylborate; Basic Blue 9 Tetraphenylborate; CI 52015 Tetraphenylborate
EINECS	Contact for details

Quality Control

Our 3,7-Diaminophenothiazin-5-Ium Tetraphenylborate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets high-purity standards suitable for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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