Description

Merocyanine Dye CAS NO 23302-83-2 is a versatile organic chromophore belonging to the merocyanine family, known for its significant solvatochromic and photophysical properties. This compound is crucial for advanced material science and analytical chemistry due to its ability to act as a polarity probe and its strong, tunable fluorescence. It is primarily needed by researchers and manufacturers in the fields of nonlinear optics, organic electronics, and as a fluorescent sensor or marker in biochemical assays.

Application

• As a solvatochromic dye for studying microenvironment polarity in polymers, micelles, and biological membranes.
• Key component in the development of nonlinear optical (NLO) materials for photonic devices.
• Utilized as a fluorescent probe and sensor in analytical chemistry and bioimaging applications.
• Active material in organic solar cells and dye-sensitized solar cells (DSSCs) for light harvesting.
• Used in laser dyes and optical data storage technologies.
• Research chemical for studying electron transfer processes and excited-state dynamics.
• Potential application in molecular electronics and as a pH indicator in specific systems.

Basic Information

Product Name	Merocyanine Dye
CAS No.	23302-83-2
Molecular Formula	C23H23NO2S
Molecular Weight	377.50 g/mol
Synonyms	Merocyanine 540; MC 540; 2-[6-(Diethylamino)-3H-xanthen-3-ylidene]-1,3-dithiolane; 3-Ethyl-2-[5-(3-ethyl-2-benzothiazolinylidene)-1,3-pentadienyl]benzothiazolium iodide (common misassignment); Solvatochromic dye 540; NSC 155080; Brooker's Merocyanine; 1,3-Dithiol-2-ylidene Derivative Dye
EINECS	Contact for details

Quality Control

Our Merocyanine Dye is produced under strict quality protocols to ensure batch-to-batch consistency and high purity suitable for research and industrial applications. Each lot is analyzed to confirm identity, purity, and performance characteristics. Certificates of Analysis (COA) detailing specifications such as HPLC purity, absorbance/fluorescence profiles, and solvent content are available upon request to support your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This product is light-sensitive (store away from light) and should be handled under appropriate conditions to prevent degradation. Keep the container tightly sealed when not in use to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Dark green to purple crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Research Grade)
λmax (Absorption)	~540 nm (in methanol, typical)
Fluorescence Emission	~560-580 nm (solvent dependent)
Solubility	Soluble in common organic solvents (e.g., methanol, ethanol, DMSO)
Loss on Drying	≤ 2.0 %

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