Description

2-[2-(1-Methylethyl)-6-[2-(2,3,6,7-Tetrahydro-1,1,7,7-Tetramethyl-1H,5H-Benzo[Ij]Quinolizin-9-Yl)Ethenyl]-4H-Pyran-4-Ylidene]Propanedinitrile is a high-performance organic dye intermediate with a complex polymethine structure. This compound is valued for its strong light-absorbing and fluorescent properties, making it a critical component in advanced photonic and electronic applications. It is primarily sought after by manufacturers in the optical materials, laser dyes, and non-linear optics (NLO) sectors for developing cutting-edge technologies.

Application

• Laser Dye Synthesis: A key precursor for synthesizing near-infrared (NIR) and infrared (IR) laser dyes used in medical, military, and scientific instrumentation.
• Non-Linear Optical (NLO) Materials: Used in the development of materials for frequency doubling, optical switching, and electro-optic modulation devices.
• Organic Photovoltaic (OPV) Cells: Serves as an electron acceptor or sensitizer in the active layer to enhance light absorption and energy conversion efficiency.
• Optical Data Storage: Employed in the formulation of recording layers for high-density optical discs and holographic storage media.
• Fluorescent Sensors and Probes: Utilized in the design of chemical and biological sensors due to its tunable fluorescence properties.
• Photodynamic Therapy (PDT) Agents: Investigated as a potential photosensitizer for targeted cancer treatments.
• Advanced Pigments and Inks: Used in specialty inks and coatings requiring specific infrared absorption or security features.

Basic Information

Product Name	2-[2-(1-Methylethyl)-6-[2-(2,3,6,7-Tetrahydro-1,1,7,7-Tetramethyl-1H,5H-Benzo[Ij]Quinolizin-9-Yl)Ethenyl]-4H-Pyran-4-Ylidene]Propanedinitrile
CAS No.	870075-87-9
Molecular Formula	C33H35N3O
Molecular Weight	489.66 g/mol
Synonyms	Propanedinitrile, 2-[2-(1-methylethyl)-6-[2-(2,3,6,7-tetrahydro-1,1,7,7-tetramethyl-1H,5H-benzo[ij]quinolizin-9-yl)ethenyl]-4H-pyran-4-ylidene]-; D-149; 2-[6-[2-(2,3,6,7-Tetrahydro-1,1,7,7-tetramethyl-1H,5H-benzo[ij]quinolizin-9-yl)vinyl]-4-(propan-2-yl)-4H-pyran-4-ylidene]malononitrile; (2Z)-2-[6-[(E)-2-(2,3,6,7-Tetrahydro-1,1,7,7-tetramethyl-1H,5H-benzo[ij]quinolizin-9-yl)ethenyl]-2-propan-2-yl-4H-pyran-4-ylidene]propanedinitrile; Light Sensitizer D149; Organic Dye D149
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. The material is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your R&D and manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep the container sealed in a dry, inert atmosphere to prevent degradation. This material is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Dark green to black crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0% (Area %)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Single Maximum Impurity (HPLC)	≤ 1.0%

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