Description

2-[2,3-Bis[3,5-Bis(1,1-Dimethylethyl)-4-Oxo-2,5-Cyclohexadien-1-Ylidene]Cyclopropylidene]-2-Cyanoacetic Acid Ethyl Ester is a high-purity, specialized organic compound belonging to the class of cyanine dyes and functionalized esters. This chemical is valued for its unique photophysical properties, making it a critical component in advanced material science and high-tech manufacturing. It is primarily sought by R&D laboratories and industrial producers in the electronics, optical materials, and specialty chemical synthesis sectors.

Application

• Nonlinear Optical (NLO) Materials: A key chromophore for developing materials with second- and third-order nonlinear optical properties used in photonics and telecommunications.
• Organic Photovoltaic (OPV) Cells: Functions as an electron acceptor or active layer component in the research and development of next-generation solar cells.
• Optical Data Storage: Used in the formulation of dyes for recordable optical media (e.g., CD-R, DVD-R) due to its strong light absorption characteristics.
• Laser Dyes and Sensors: Serves as a precursor or active compound in tunable dye lasers and fluorescent chemical sensors.
• Advanced Organic Synthesis: An important building block for synthesizing complex molecules with specific electronic and steric properties for pharmaceutical and agrochemical research.
• Photoresist and Imaging Materials: Employed in specialty photoresists for microelectronics and high-resolution imaging applications.

Basic Information

Product Name	2-[2,3-Bis[3,5-Bis(1,1-Dimethylethyl)-4-Oxo-2,5-Cyclohexadien-1-Ylidene]Cyclopropylidene]-2-Cyanoacetic Acid Ethyl Ester
CAS No.	63165-90-2
Molecular Formula	C41H48N2O4
Molecular Weight	632.84 g/mol
Synonyms	Ethyl 2-[2,3-Bis[3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene]cyclopropylidene]-2-cyanoacetate; Cyanine Dye Derivative CAS 63165-90-2; 2-Cyano-2-[2,3-bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)cyclopropylidene]acetic Acid Ethyl Ester; 1,1-Dimethylethyl Ester Derivative; Optical Dye Intermediate 63165-90-2
EINECS	Contact for details

Quality Control

Every batch of 2-[2,3-Bis[3,5-Bis(1,1-Dimethylethyl)-4-Oxo-2,5-Cyclohexadien-1-Ylidene]Cyclopropylidene]-2-Cyanoacetic Acid Ethyl Ester is manufactured under strict quality management systems. We provide comprehensive analytical documentation, including a Certificate of Analysis (COA) detailing purity, identity, and impurity profiles verified by HPLC, NMR, and mass spectrometry. Our quality commitment ensures consistent performance and reliable supply for your critical R&D and production 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 compound is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). For long-term storage, consider sealing under an inert gas such as nitrogen or argon in a desiccated environment to maintain optimal purity and stability.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
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.