Description

1,3-Bis(2-Hydroxy-4-Diethylamino-Phenyl)-2-Oxo-Cyclobutenylium-4-Olat is a specialized organic dye intermediate belonging to the class of aminohydroxy phenyl cyclobutenedione derivatives. This compound is valued for its unique chromophoric properties and serves as a critical precursor in the synthesis of high-performance dyes and functional pigments. It is primarily sought by manufacturers in the specialty chemicals, advanced materials, and research and development sectors for creating products with specific optical characteristics.

Application

• Precursor for Functional Dyes: Key intermediate in the synthesis of near-infrared (NIR) absorbing dyes, cationic dyes, and other specialty colorants.
• Optical Materials: Used in the development of materials for laser applications, optical filters, and non-linear optics (NLO).
• Sensitizers and Photoinitiators: Potential component in formulations for photopolymerization and imaging technologies.
• Research & Development: Serves as a building block in organic synthesis for novel chromophores and fluorophores in academic and industrial R&D.
• Analytical Reagents: Can be utilized in the formulation of chemical sensors and indicators due to its pH-sensitive or metal-complexing properties.

Basic Information

Product Name	1,3-Bis(2-Hydroxy-4-Diethylamino-Phenyl)-2-Oxo-Cyclobutenylium-4-Olat
CAS No.	68842-66-0
Molecular Formula	C26H31N2O4+
Molecular Weight	435.54 g/mol
Synonyms	1,3-Bis(2-hydroxy-4-diethylaminophenyl)-2-oxocyclobuten-4-ylideneoxonium; 1,3-Bis(2-hydroxy-4-(diethylamino)phenyl)-2-oxocyclobuten-4-ylideneoxonium; Cyclobutenylium dye intermediate; C.I. Solvent Yellow 176 precursor; Aminohydroxy phenyl squaraine derivative; 2-Oxo-1,3-bis[2-hydroxy-4-(diethylamino)phenyl]cyclobuten-4-ylideneoxonium; Light-sensitive squaraine derivative
EINECS	Contact for details

Quality Control

Our production of 1,3-Bis(2-Hydroxy-4-Diethylamino-Phenyl)-2-Oxo-Cyclobutenylium-4-Olat adheres to stringent internal quality standards to ensure batch-to-batch consistency and purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Dark green to brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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