Description

1H-Benzimidazolium, 2-[3-[1,3-dihydro-1-methyl-3-(4-sulfobutyl)-5-(trifluoromethyl)-2H-benzimidazol-2-ylidene]-1-propenyl]-1-methyl-3-(4-sulfobutyl)-5-(trifluoromethyl)-, hydroxide, inner salt, sodium salt is a high-purity, functionalized cyanine dye intermediate with significant commercial and research value. This compound is engineered for its strong near-infrared (NIR) absorption and fluorescence properties, making it a critical component in advanced material science. It is primarily sought after by manufacturers and R&D teams in the biotechnology, medical diagnostics, and optical materials sectors for developing sensitive probes and functional dyes.

Application

• Fluorescent Labeling Reagent: Used as a precursor for synthesizing NIR fluorescent dyes for bio-imaging and immunoassays.
• Optical Sensing Probes: A key intermediate in the production of probes for detecting ions, small molecules, and pH changes in biological systems.
• Laser Dye Manufacturing: Serves as a building block for creating tunable laser dyes in the near-infrared spectrum.
• Photodynamic Therapy (PDT) Agents: Utilized in the research and development of photosensitizers for targeted cancer treatments.
• Non-Linear Optical Materials: Incorporated into advanced polymers and crystals for telecommunications and data storage applications.
• DNA/Protein Staining: Employed in the synthesis of high-sensitivity stains for gel electrophoresis and blotting techniques.

Basic Information

Product Name	1H-Benzimidazolium, 2-[3-[1,3-dihydro-1-methyl-3-(4-sulfobutyl)-5-(trifluoromethyl)-2H-benzimidazol-2-ylidene]-1-propenyl]-1-methyl-3-(4-sulfobutyl)-5-(trifluoromethyl)-, hydroxide, inner salt, sodium salt
CAS No.	63834-91-3
Molecular Formula	C35H40F6N4O6S2Na
Molecular Weight	813.82 g/mol
Synonyms	IR-786; IR 786; IR786; 1H-Benzimidazolium, 2-[3-[1,3-dihydro-1-methyl-3-(4-sulfobutyl)-5-(trifluoromethyl)-2H-benzimidazol-2-ylidene]-1-propenyl]-1-methyl-3-(4-sulfobutyl)-5-(trifluoromethyl)-, inner salt, sodium salt; Benzimidazolium, 2-[3-(1,3-dihydro-1-methyl-3-(4-sulfobutyl)-5-(trifluoromethyl)-2H-benzimidazol-2-ylidene)-1-propenyl]-1-methyl-3-(4-sulfobutyl)-5-(trifluoromethyl)-, hydroxide, inner salt, sodium salt; Sodium 2-[3-(1,3-dihydro-1-methyl-3-(4-sulfobutyl)-5-(trifluoromethyl)-2H-benzimidazol-2-ylidene)propenyl]-1-methyl-3-(4-sulfobutyl)-5-(trifluoromethyl)benzimidazolium hydroxide inner salt
EINECS	Contact for details

Quality Control

Our production of this cyanine dye intermediate adheres to stringent ISO 9001 quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure high lot-to-lot consistency and performance. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed in a low-humidity environment to prevent degradation.

Specification

Item	Specification
Appearance	Dark green to blue-green powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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