Description

Rhodamine 3G is a synthetic organic dye belonging to the xanthene class, known for its intense fluorescence and high molar absorptivity. This compound is valued for its exceptional photostability and bright emission, making it a critical component in advanced optical applications. It is primarily utilized by industries and research institutions specializing in analytical chemistry, materials science, and biotechnology.

Application

• Fluorescent Tracer and Dye: Used as a high-visibility tracer in hydrology, environmental studies, and fluid dynamics.
• Laser Dye: Serves as an active medium in tunable dye lasers, particularly in the yellow-orange spectral region.
• Biological Staining: Employed in fluorescence microscopy and histology for staining tissues and cellular structures.
• Sensor and Probe Development: A key fluorophore in the design of chemical sensors and molecular probes for detection assays.
• Photovoltaic and OLED Research: Investigated for use in dye-sensitized solar cells (DSSCs) and organic light-emitting diodes due to its optical properties.
• Anti-Counterfeiting Inks: Incorporated into security inks for banknotes, documents, and high-value products due to its distinctive fluorescence.

Basic Information

Product Name	Rhodamine 3G
CAS No.	6232-60-6
Molecular Formula	C28H31N2O3+ Cl-
Molecular Weight	479.01 g/mol (for cation)
Synonyms	Rhodamine 3G; Basic Violet 10; C.I. 45105; Rhodamine 3G Perchlorate; 9-(2-Carboxyphenyl)-3,6-bis(ethylamino)-2,7-dimethylxanthylium chloride; Rhodamine 110 related compound; [9-(2-Carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-diethylammonium chloride
EINECS	228-338-6

Quality Control

Our Rhodamine 3G is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic methods for identity confirmation, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Dark green crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Absorption Max (λmax)	525 - 535 nm
Emission Max	545 - 555 nm
Solubility Test	Soluble in ethanol, methanol; slightly soluble in water

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