Description

Rhodamine 101 Inner Salt, Pure, 99% is a high-purity, near-infrared fluorescent dye belonging to the xanthene family. This compound is valued for its exceptional photostability, high fluorescence quantum yield, and long emission wavelength, making it a critical component in advanced photonic and analytical applications. It is primarily sought by researchers and manufacturers in the fields of laser technology, bioimaging, and sensor development.

Application

• Laser Dye: Used as a gain medium in tunable dye lasers, particularly for the red to near-infrared spectral region.
• Fluorescent Labeling & Staining: Employed in biological imaging and histology for labeling cellular structures due to its photostability.
• Optical Sensor Development: A key material in the fabrication of fluorescent sensors for detecting ions, gases, or biomolecules.
• Photovoltaic Research: Investigated as a potential sensitizer in dye-sensitized solar cells (DSSCs) for light harvesting.
• Material Science: Incorporated into polymers and nanoparticles to create advanced fluorescent materials and probes.
• Analytical Chemistry: Serves as a standard or tracer in chromatographic and capillary electrophoresis methods.

Basic Information

Product Name	Rhodamine 101 Inner Salt, Pure, 99%
CAS No.	116450-56-7
Molecular Formula	C₃₂H₃₁N₂O₃⁺
Molecular Weight	491.60 g/mol
Synonyms	Rhodamine 101 perchlorate; Sulforhodamine 101; SR 101; [9-(2-Carboxyphenyl)-6-diethylamino-3-xanthenylidene]-diethylammonium chloride; C.I. 45100; Basic Violet 11; Xanthene Red; Rhodamine 101 chloride
EINECS	Contact for details

Quality Control

Our Rhodamine 101 Inner Salt is produced under a strict quality management system. Every batch is analyzed to confirm its identity, purity, and performance characteristics. A comprehensive Certificate of Analysis (COA) detailing the results of HPLC assay, absorbance/fluorescence spectra, and impurity profile is provided to ensure it meets the stringent requirements for research and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be kept in a desiccated environment to maintain stability and purity.

Specification

Item	Specification
Appearance	Dark green to purple crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 99.0%
Loss on Drying	≤ 1.0 %
Absorption Max (λmax)	575 - 585 nm (in methanol)
Emission Max (λem)	595 - 605 nm (in methanol)
Heavy Metals (as Pb)	≤ 20 ppm

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