Description

4,4'-[4-(2,3-Dihydro-1,3,3-Trimethyl-1H-Indol-2-Yl)Buta-1,3-Dienylidene]Bis[N,n-Dimethylaniline] is a sophisticated organic dye intermediate belonging to the cyanine dye family, characterized by its extended conjugated system. This compound matters for its exceptional light-absorbing and charge-transfer properties, making it a critical component in advanced photonic and electronic applications. Industrial and research professionals in the fields of nonlinear optics, dye-sensitized solar cells (DSSCs), and specialty imaging require this high-purity chemical for developing next-generation materials.

Application

• Nonlinear Optical (NLO) Materials: A key chromophore for fabricating materials with second- and third-order nonlinear optical properties used in optical switching, modulation, and frequency conversion.
• Dye-Sensitized Solar Cells (DSSCs): Functions as a sensitizer or co-sensitizer to enhance light harvesting and electron injection efficiency in photovoltaic devices.
• Laser Dyes and Optical Recording Media: Utilized in the formulation of tunable laser dyes and as a functional dye for high-density optical data storage.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer due to its strong absorption in the visible to near-infrared region.
• Organic Semiconductor Research: Serves as a building block for organic light-emitting diodes (OLEDs) and field-effect transistors (OFETs) due to its favorable charge transport characteristics.
• Analytical Chemistry: Used as a staining agent or fluorescent probe in specific biochemical and histochemical applications.

Basic Information

Item	Details
Product Name	4,4'-[4-(2,3-Dihydro-1,3,3-Trimethyl-1H-Indol-2-Yl)Buta-1,3-Dienylidene]Bis[N,n-Dimethylaniline]
CAS No.	54268-90-5
Molecular Formula	C31H35N3
Molecular Weight	449.63 g/mol
Synonyms	NK-2012; 4-[4-(1,3,3-Trimethyl-2-indolinylidene)-2-butenylidene]-N,N-dimethylbenzenamine; 4-[4-(1,3,3-Trimethylindolin-2-ylidene)buta-1,3-dienyl]-N,N-dimethylaniline; 4-[4-(1,3,3-Trimethyl-2-indolinylidene)-2-butenylidene]-N,N-dimethylaniline; 4,4'-[4-(1,3,3-Trimethyl-2-indolinylidene)-1,3-butadien-1,4-diyl]bis(N,N-dimethylaniline); Cyanine dye intermediate NK-2012; 4-Dimethylamino-4'-[4-(1,3,3-trimethyl-2-indolinylidene)-2-butenylidene]aniline
EINECS	Contact for details

Quality Control

Our 4,4'-[4-(2,3-Dihydro-1,3,3-Trimethyl-1H-Indol-2-Yl)Buta-1,3-Dienylidene]Bis[N,n-Dimethylaniline] is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, spectroscopic identification (IR, NMR), and residual solvent analysis, to ensure it meets precise customer specifications and research-grade standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation and to minimize degradation.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0% (Area %)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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