Description

4-(Dicyanomethylene)-2-Methyl-6-(1,1,7,7-Tetramethyljulolidyl-9-Enyl)-4H-Pyran is a high-performance organic dye and laser gain medium known for its exceptional photophysical properties. This compound matters for its ability to produce intense, stable fluorescence and lasing action in the near-infrared region, making it a critical material for advanced photonic applications. Industries such as laser technology, optical materials research, and non-linear optics rely on this specific chromophore for developing tunable dye lasers, optical amplifiers, and as a standard for fluorescence spectroscopy.

Application

• Tunable Dye Laser Media: Primary gain medium for solid-state and liquid dye lasers operating in the red to near-infrared spectrum.
• Optical Amplifiers & Switches: Key component in the development of non-linear optical (NLO) materials and devices for telecommunications.
• Fluorescence Standards & Probes: Used as a reference standard in fluorescence spectroscopy and microscopy due to its high quantum yield and photostability.
• Photovoltaic & OLED Research: Investigated as an electron-accepting or light-harvesting material in organic solar cells and light-emitting diodes.
• Sensor Technology: Employed in the fabrication of chemical and biological sensors that utilize fluorescence quenching or enhancement.
• Academic & Industrial R&D: Serves as a crucial building block for synthesizing novel π-conjugated systems and studying excited-state dynamics.

Basic Information

Item	Details
Product Name	4-(Dicyanomethylene)-2-Methyl-6-(1,1,7,7-Tetramethyljulolidyl-9-Enyl)-4H-Pyran
CAS No.	159788-00-8
Molecular Formula	C30H29N3O
Molecular Weight	447.58 g/mol
Synonyms	DCM-Julolidine; 4-(Dicyanomethylene)-2-methyl-6-(julolidin-4-yl-vinyl)-4H-pyran; DCM-JLD; DCM-Julolidine dye; 2-Methyl-4-(2,2-dicyanovinyl)-6-[2-(1,1,7,7-tetramethyljulolidyl)]ethenyl-4H-pyran; Laser dye DCM-Julolidine; 4-Dicyanomethylene-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran derivative; C30H29N3O
EINECS	Contact for details

Quality Control

Every batch of our 4-(Dicyanomethylene)-2-Methyl-6-(1,1,7,7-Tetramethyljulolidyl-9-Enyl)-4H-Pyran is synthesized and purified under controlled conditions to ensure high purity and consistent performance critical for photonic applications. Our quality assurance protocol includes comprehensive analytical testing (HPLC, NMR, MS) to verify chemical identity, purity, and the absence of fluorescent quenching impurities. A Certificate of Analysis (COA) detailing lot-specific results is provided with each 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) and easily oxidized (store under inert atmosphere). For long-term storage, consider packaging under an inert gas such as argon or nitrogen in amber glass vials.

Specification

Item	Specification
Appearance	Dark red to purple crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0% (Area Percent)
Absorption Max (λmax)	460 - 480 nm (in suitable solvent)
Emission Max (λem)	600 - 630 nm (in suitable solvent)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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