Description

Xanthylium, 9-(2,4-Dicarboxyphenyl)-3,6-Bis(Diethylamino)-, Chloride, Disodium Salt is a high-purity, water-soluble cationic dye belonging to the xanthene chemical class. This compound is valued for its strong and stable color properties, making it a critical functional material in advanced technical applications. It is primarily sought by manufacturers in the analytical chemistry, biotechnology, and specialty materials sectors for its unique photophysical characteristics.

Application

• Fluorescent Probe and Staining Agent: Used in biological research for cell staining, flow cytometry, and fluorescence microscopy due to its cationic nature and light-emitting properties.
• Laser Dye and Optical Material: Serves as a gain medium in tunable dye lasers and as a component in non-linear optical materials.
• Sensitizer in Photodynamic Therapy (PDT): Investigated for use in medical applications where light-activated compounds are required to target specific cells.
• Indicator Chemistry: Employed in the formulation of chemical sensors and pH indicators for analytical and diagnostic kits.
• Specialty Inks and Coatings: Used in high-security printing, optical data storage, and other advanced marking technologies requiring specific light absorption/emission.
• Photocatalyst Research: Acts as a component in research systems for light-driven chemical reactions and energy conversion processes.

Basic Information

Product Name	Xanthylium, 9-(2,4-Dicarboxyphenyl)-3,6-Bis(Diethylamino)-, Chloride, Disodium Salt
CAS No.	37299-86-8
Molecular Formula	C31H33ClN2Na2O6 (or C31H33ClN2O6 · 2Na)
Molecular Weight	611.03 g/mol (Disodium Salt form)
Synonyms	Basic Violet 10 (C.I. 45140); Pyronin B; Pyronine B; 9-(2,4-Dicarboxyphenyl)-3,6-bis(diethylamino)xanthylium chloride disodium salt; Xanthylium, 9-(2,4-dicarboxyphenyl)-3,6-bis(diethylamino)-, chloride, sodium salt (1:2:1); Pyronin B (C.I. 45140); C.I. Basic Violet 10; Pyronin B, pure
EINECS	Contact for details

Quality Control

Our production of Xanthylium, 9-(2,4-Dicarboxyphenyl)-3,6-Bis(Diethylamino)-, Chloride, Disodium Salt adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analysis, including HPLC for purity, spectrophotometry for color value, and identity confirmation via IR and NMR. A detailed Certificate of Analysis (COA) documenting all specifications is provided with every shipment to support your quality assurance and regulatory needs.

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) and light-sensitive; containers must be kept tightly sealed after each use to prevent degradation from moisture and light exposure.

Specification

Item	Specification
Appearance	Dark green to dark violet powder
Identification (IR)	Conforms to structure
Identification (UV-Vis)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0 %
Residue on Ignition (Sulfated Ash)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Specific Absorbance (Color Value)	Contact for details

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