Description

Infrared Absorber 761 is a specialized organic compound designed for its strong absorption properties in the near-infrared (NIR) spectrum. This high-performance additive is critical for managing thermal effects and enhancing the functionality of advanced materials. It is essential for manufacturers in the plastics, coatings, and optical film industries seeking to improve product stability and performance. The compound is supplied under strict quality control to ensure batch-to-batch consistency for demanding applications.

Application

• Optical Filters and Lenses: Used in security devices, sensors, and camera systems to selectively block infrared radiation.
• Plastic and Polymer Masterbatches: Incorporated into engineering plastics and films for thermal management and to prevent heat buildup.
• Protective Coatings and Inks: Enhances the durability and performance of automotive, architectural, and industrial coatings by mitigating IR-induced degradation.
• Agricultural Films: Modifies the light transmission properties of greenhouse films to optimize plant growth conditions.
• Security and Authentication Features: A key component in inks and materials for anti-counterfeiting applications, visible only under specific IR light.
• Laser Welding of Plastics: Acts as an absorber to facilitate the transmission laser welding process for joining plastic components.

Basic Information

Product Name	Infrared Absorber 761
CAS No.	1472004-00-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	IR Absorber 761; NIR Absorber 761; Infrared Dye 761; Heptamethine cyanine derivative; 2-[2-[2-Chloro-3-[(1,3-dihydro-1,1,3-trimethyl-2H-benz[e]indol-2-ylidene)ethylidene]-1-cyclohexen-1-yl]ethenyl]-1,1,3-trimethyl-1H-benz[e]indolium salt
EINECS	Contact for details

Quality Control

Our Infrared Absorber 761 is manufactured under a stringent quality management system. Every batch undergoes rigorous analytical testing, including chromatographic purity analysis and spectral identification, to ensure it meets precise performance specifications. A comprehensive Certificate of Analysis (COA) detailing assay, absorbance profile, and impurity levels is provided with each 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 sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark green to black powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Absorption Maximum (λmax)	760 nm ± 5 nm (in specified solvent)
Moisture Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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