Description

3,3'-Di(2-Hydroxyethyl)-5,5'-Dimethoxy-9-Ethylthiacarbocyanine Chloride is a synthetic cyanine dye salt belonging to the thiacarbocyanine class. This compound is valued for its strong and tunable absorption and fluorescence properties in the visible to near-infrared spectrum. It is primarily utilized by researchers and manufacturers in the life sciences and advanced materials sectors. Its functional hydroxyethyl groups make it a versatile intermediate for further chemical modification and conjugation.

Application

• Fluorescent Labeling and Staining: Used as a precursor or direct component in the synthesis of fluorescent probes for biological imaging, including cell and tissue staining.
• Optical Materials: Serves as a key chromophore in the development of non-linear optical materials, laser dyes, and optical recording media.
• Sensor Development: Incorporated into chemical sensors and biosensors for the detection of various analytes due to its environment-sensitive fluorescence.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer in photodynamic therapy applications for cancer treatment.
• DNA and Protein Detection: Used in the formulation of stains and kits for the visualization and quantification of nucleic acids and proteins in gel electrophoresis and blotting.
• Industrial Dye: Employed as a specialized dye in high-tech applications requiring specific light-absorption characteristics.

Basic Information

Product Name	3,3'-Di(2-Hydroxyethyl)-5,5'-Dimethoxy-9-Ethylthiacarbocyanine Chloride
CAS No.	34979-98-1
Molecular Formula	C27H33ClN2O4S
Molecular Weight	517.08 g/mol
Synonyms	9-Ethyl-3,3'-di(2-hydroxyethyl)-5,5'-dimethoxythiacarbocyanine chloride; Thiacarbocyanine dye, 9-Ethyl-3,3'-bis(2-hydroxyethyl)-5,5'-dimethoxy-; 5,5'-Dimethoxy-9-ethyl-3,3'-bis(2-hydroxyethyl)thiacarbocyanine chloride; NK 529; NK-529; NK529; Potential NIR dye intermediate; Cyanine dye CAS 34979-98-1
EINECS	Contact for details

Quality Control

Our 3,3'-Di(2-Hydroxyethyl)-5,5'-Dimethoxy-9-Ethylthiacarbocyanine Chloride is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial use. A Certificate of Analysis (COA) detailing specific results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Loss on Drying	≤ 2.0 %
Absorption (λmax)	Contact for details
Fluorescence (λmax)	Contact for details

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