Description

1-(4-Dimethylamino-2-Fluoro-Phenyl)-3-(4-Dimethylimmonium-2-Fluoro-Cyclohexa-2,5-Dien-1-Ylidene)-2-Oxo-Cyclobuten-4-Olate is a sophisticated organic salt and a key intermediate in advanced chemical synthesis. This compound matters for its role as a specialized building block in the development of functional dyes, pigments, and photoactive materials. It is primarily needed by R&D chemists and production specialists in the fine chemical, specialty dye, and advanced material science industries.

Application

• Key intermediate in the synthesis of functional polymethine and cyanine dyes.
• Precursor for the development of near-infrared (NIR) absorbing pigments and fluorescent markers.
• Building block for photoactive compounds used in optical data storage and imaging technologies.
• Specialty chemical for research into novel organic semiconductors and non-linear optical materials.
• Intermediate in the production of sensitizers for photographic and photopolymerization applications.
• Starting material for the synthesis of complex heterocyclic compounds in pharmaceutical research.

Basic Information

Product Name	1-(4-Dimethylamino-2-Fluoro-Phenyl)-3-(4-Dimethylimmonium-2-Fluoro-Cyclohexa-2,5-Dien-1-Ylidene)-2-Oxo-Cyclobuten-4-Olate
CAS No.	94703-33-0
Molecular Formula	C20H20F2N2O2
Molecular Weight	358.39 g/mol
Synonyms	4-(4-(Dimethylamino)-2-fluorophenyl)-2-((E)-4-(dimethylamino)-2-fluorocyclohexa-2,5-dien-1-ylidene)-3-oxocyclobut-1-en-1-olate; 2-(4-(Dimethylamino)-2-fluorobenzoyl)-3-(4-(dimethylamino)-2-fluorophenyl)acrylic acid betaine; Squarylium dye intermediate; F-SQ dye precursor; Light absorbing salt 94703-33-0
EINECS	Contact for details

Quality Control

Our production of 1-(4-Dimethylamino-2-Fluoro-Phenyl)-3-(4-Dimethylimmonium-2-Fluoro-Cyclohexa-2,5-Dien-1-Ylidene)-2-Oxo-Cyclobuten-4-Olate adheres to stringent in-process controls to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized by advanced analytical techniques, including NMR and HPLC, to confirm identity and composition. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark colored solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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