Description

1-[3-(Azulen-1-Yl)-2-Oxido-4-Oxocyclobut-2-En-1-Ylidene]-1,-Dihydroazulenylium is a highly conjugated organic dye and pigment intermediate characterized by its unique azulene-based cyclobutenedione structure. This compound matters for its exceptional photophysical properties, making it a valuable precursor for advanced functional materials. Industrial and academic researchers in the fields of organic electronics, non-linear optics (NLO), and specialty dyes and pigments require this chemical for developing next-generation optoelectronic devices and high-performance colorants.

Application

• Organic Semiconductor Precursor: Used in the synthesis of donor-acceptor molecules for organic photovoltaics (OPV) and organic light-emitting diodes (OLEDs).
• Non-Linear Optical (NLO) Materials: Serves as a key chromophore in the development of materials for frequency doubling, optical switching, and electro-optic modulation.
• Specialty Dyes and Pigments: Acts as an intermediate for creating intense, stable colors with specific spectral properties for high-tech coatings and inks.
• Photodynamic Therapy (PDT) Research: Investigated as a potential photosensitizer due to its strong absorption in the visible light spectrum and ability to generate reactive oxygen species.
• Chemical Sensing: Utilized in the design of fluorophores and colorimetric sensors for the detection of specific ions or molecules.
• Academic & R&D: Employed in synthetic organic chemistry research to explore novel reaction pathways and build complex polycyclic aromatic systems.

Basic Information

Item	Details
Product Name	1-[3-(Azulen-1-Yl)-2-Oxido-4-Oxocyclobut-2-En-1-Ylidene]-1,-Dihydroazulenylium
CAS No.	12156-33-1
Molecular Formula	C22H12O3
Molecular Weight	324.33 g/mol
Synonyms	1-[3-(1-Azulenyl)-2-oxido-4-oxo-2-cyclobuten-1-ylidene]-1H-azulenylium; Azulene Squarylium Dye Derivative; 1,3-Bis(azulen-1-yl)squaraine; Squarylium Dye Azulene Homologue; 1,3-Diazulenylsquaraine; Oxocyclobutenylideneazulenylium Dye; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 1-[3-(Azulen-1-Yl)-2-Oxido-4-Oxocyclobut-2-En-1-Ylidene]-1,-Dihydroazulenylium adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic methods for structural confirmation, to ensure consistent performance and batch-to-batch reproducibility. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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 material is light-sensitive (store away from light). Keep the container tightly sealed in a dry environment to prevent degradation. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Solubility	Soluble in common organic solvents (e.g., DCM, DMF)

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