Description

1,9-Diphenyl-1,3,6,8-Nonatetraen-5-One CAS NO 622-21-9 is a specialized organic compound featuring a conjugated polyene ketone structure with terminal phenyl groups. This unique molecular architecture makes it a valuable intermediate and building block in advanced organic synthesis and materials science. It is primarily sought after by research institutions and industrial R&D departments focused on developing novel functional materials, including organic semiconductors, non-linear optical materials, and specialized dyes.

Application

• Organic Electronic Materials: Serves as a key precursor or dopant in the synthesis of organic semiconductors for OLEDs, OFETs, and photovoltaic cells.
• Non-Linear Optical (NLO) Materials: Used in research for developing materials with second- or third-order optical non-linearity due to its extended π-conjugated system.
• Specialty Dyes and Pigments: Acts as an intermediate for synthesizing advanced chromophores with specific light-absorption and emission properties.
• Pharmaceutical Research: Employed as a scaffold or intermediate in medicinal chemistry for the discovery of new bioactive molecules.
• Polymer Science: Utilized in the synthesis of conjugated polymers with tailored electronic and optical characteristics.
• Chemical Research: Functions as a model compound in studies of charge transfer, photophysics, and pericyclic reactions.

Basic Information

Item	Details
Product Name	1,9-Diphenyl-1,3,6,8-Nonatetraen-5-One
CAS No.	622-21-9
Molecular Formula	C23H18O
Molecular Weight	310.39 g/mol
Synonyms	1,9-Diphenylnona-1,3,6,8-tetraen-5-one; (1E,3E,6E,8E)-1,9-Diphenylnona-1,3,6,8-tetraen-5-one; NSC 407292; 1,9-Diphenyl-1,3,6,8-nonatetraen-5-one; Diphenylnonatetraenone
EINECS	Contact for details

Quality Control

Our 1,9-Diphenyl-1,3,6,8-Nonatetraen-5-One is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and spectroscopic methods (NMR, IR) for structural confirmation, to ensure it meets the high standards required for research and development applications. A Certificate of Analysis (COA) detailing specific results 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 room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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