Description

1-(1,1-Dimethyl-3-Butyl-1H-Benzoeindol-2-Ylidenemethyl)-3-(1,1-Dimethyl-3-Butyl-1H-Benzoeindolium-2-Yl-Methylene)-Cyclobuten-2-One-4-Olate is a sophisticated organic dye belonging to the cyanine dye family, characterized by its unique benzoeindole-based structure. This compound is valued for its strong near-infrared (NIR) absorption and fluorescence properties, making it a critical functional material in advanced photonic and electronic applications. It is primarily sought by manufacturers and researchers in the optical data storage, laser technology, and non-linear optics (NLO) sectors.

Application

• Optical Data Storage Media: As a key recording layer dye for high-capacity CD-R, DVD-R, and Blu-ray discs.
• Laser Dyes & Optical Filters: Used in the formulation of tunable dye lasers and as an active medium in optical limiters and switches.
• Non-Linear Optical (NLO) Materials: A vital component in the development of materials for frequency doubling, electro-optic modulation, and photonic integrated circuits.
• Bioimaging & Sensing: Potential application as a NIR fluorescent probe for biological labeling and diagnostic assays due to its emission profile.
• Photovoltaic & Organic Electronics: Investigated for use in organic solar cells and photodetectors as a light-harvesting or charge-transport material.
• Security Inks & Anti-Counterfeiting: Utilized in specialized inks for currency, documents, and product authentication due to its distinct optical signature.

Basic Information

Item	Details
Product Name	1-(1,1-Dimethyl-3-Butyl-1H-Benzoeindol-2-Ylidenemethyl)-3-(1,1-Dimethyl-3-Butyl-1H-Benzoeindolium-2-Yl-Methylene)-Cyclobuten-2-One-4-Olate
CAS No.	125597-36-6
Molecular Formula	C49H52N2O2
Molecular Weight	700.96 g/mol
Synonyms	IR-125 Dye; Benz[e]indolium, 2-[2-[1-(1,1-dimethyl-3-butyl-1H-benz[e]indol-2(3H)-ylidene)ethylidene]-4-oxo-3-cyclobuten-1-ylidene]-1,1-dimethyl-3-butyl-, inner salt; Cryptocyanine derivative; NIR Cyanine Dye; 1H-Benz[e]indolium, 2-[2-[1-(1,1-dimethyl-3-butyl-1H-benz[e]indol-2-yl)ethylidene]-4-oxo-3-cyclobuten-1-ylidene]-1,1-dimethyl-3-butyl-, hydroxide, inner salt; Heptamethine cyanine dye; Optical recording dye 125597-36-6
EINECS	Contact for details

Quality Control

Our production of this high-purity functional dye adheres to stringent quality protocols. Every batch undergoes comprehensive analysis including HPLC for purity verification, UV-Vis-NIR spectroscopy for absorbance profile confirmation, and FT-IR for structural identity. We provide detailed Certificates of Analysis (COA) that document all critical parameters, ensuring consistency and reliability for your sensitive optical applications. Specifications are aligned with industry requirements for electronic-grade chemicals.

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 dry environment to prevent moisture absorption, which can affect performance. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	Dark green to blue-black crystalline powder
Identification (UV-Vis)	Conforms to reference spectrum (λmax ~785 nm)
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area Percent)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Solubility	Soluble in dichloromethane, chloroform, DMF; sparingly soluble in methanol

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