Description

3,7-Diaminophenothiazin-5-Ium Tetrafluoroborate is a specialized organic salt derived from the phenothiazine dye class, known for its distinct cationic structure and unique electrochemical properties. This compound serves as a critical intermediate and functional material in advanced research and industrial synthesis. It is primarily sought by professionals in the pharmaceutical, materials science, and analytical chemistry sectors for applications requiring precise molecular functionality.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel therapeutic agents and diagnostic probes, particularly those targeting neurological pathways.
• Electrochromic & Photovoltaic Materials: A key component in the development of organic semiconductors, smart windows, and dye-sensitized solar cells (DSSCs) due to its redox-active nature.
• Analytical Chemistry Reagent: Functions as a redox indicator or a specialized reagent in electrochemical sensing and biosensor development.
• Organic Synthesis Building Block: Employed in the preparation of complex heterocyclic compounds and functional dyes for research purposes.
• Polymer & Conductive Material Science: Utilized as a dopant or monomer in the creation of conductive polymers and advanced functional materials.

Basic Information

Product Name	3,7-Diaminophenothiazin-5-Ium Tetrafluoroborate
CAS No.	84145-78-8
Molecular Formula	C12H11BF4N4S
Molecular Weight	330.11 g/mol
Synonyms	Methylene Blue Derivative BF4 Salt; 5H-Phenothiazin-5-ium, 3,7-diamino-, tetrafluoroborate(1-); 3,7-Diamino-5H-phenothiazin-5-ylium tetrafluoroborate; Azure B Tetrafluoroborate (related derivative); Thionine Derivative Tetrafluoroborate Salt; Basic Blue 9 Related Compound; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of 3,7-Diaminophenothiazin-5-Ium Tetrafluoroborate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy. We provide full traceability and Certificates of Analysis (COA) are available upon request to ensure compliance with your research or production specifications.

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). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 95.0%
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.