Description

Hydrogen 5-Chloro-2[2-[[5-Phenyl-3-(3-Sulphonatobutyl)-3H-Benzoxazol-2-Ylidene]Methyl]But-1-Enyl]-3-(3-Sulphonatopropyl)Benzoxazolium, Sodium Salt is a high-purity, water-soluble cyanine dye derivative, specifically engineered for advanced photonic and analytical applications. This compound is valued for its strong and tunable fluorescence properties, making it a critical component in the development of next-generation optical materials and diagnostic reagents. It is primarily utilized by R&D scientists and manufacturers in the biotechnology, medical diagnostics, and specialty chemical sectors who require precise and stable fluorescent markers.

Application

• Fluorescent Labeling Agent: Used as a covalent or non-covalent tag for biomolecules (proteins, nucleic acids) in bioassays and imaging.
• Optical Sensor Development: A key chromophore in the fabrication of chemical sensors and biosensors for ion and metabolite detection.
• Laser Dye and Photonic Materials: Employed in the formulation of dye lasers, optical filters, and non-linear optical materials due to its excellent photostability.
• Histology and Cytology Stains: Serves as a specific stain in fluorescence microscopy for cellular and tissue analysis.
• Security Inks and Taggants: Incorporated into inks for anti-counterfeiting and authentication purposes, leveraging its unique spectral signature.
• Solar Cell Research: Investigated as a potential photosensitizer in dye-sensitized solar cells (DSSCs).

Basic Information

Product Name	Hydrogen 5-Chloro-2[2-[[5-Phenyl-3-(3-Sulphonatobutyl)-3H-Benzoxazol-2-Ylidene]Methyl]But-1-Enyl]-3-(3-Sulphonatopropyl)Benzoxazolium, Sodium Salt
CAS No.	28118-05-0
Molecular Formula	C43H43ClN2Na2O9S2
Molecular Weight	901.37 g/mol
Synonyms	5-Chloro-2-[2-[[5-phenyl-3-(3-sulfonatobutyl)-2(3H)-benzoxazolylidene]methyl]-1-butenyl]-3-(3-sulfonatopropyl)benzoxazolium, inner salt, sodium salt; Cyanine dye, sulfoindocyanine derivative; Benzoxazolium dye; Fluorescent cyanine dye; IR-786 related dye; Near-infrared (NIR) dye; Sulphonated benzoxazole dye; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of this specialty dye adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and spectral properties is provided with every shipment. We support compliance with relevant ISO 9001 and GMP guidelines for laboratory chemical manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a low-humidity environment to prevent moisture absorption, which can affect performance. For long-term storage, consider desiccated conditions.

Specification

Item	Specification
Appearance	Dark green to blue-black powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition (Sulfated Ash)	≤ 20.0%
Absorption Maxima (λmax)	Contact for details
Emission Maxima (λem)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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