Description

1,5-Bis(4-Methylphenyl)-1,4-Pentadiyn-3-One is a specialized organic compound featuring a conjugated diynone core flanked by p-tolyl groups. This unique molecular architecture makes it a valuable intermediate for advanced organic synthesis and materials science research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and specialty chemical industries for constructing complex molecular frameworks, including potential active pharmaceutical ingredients (APIs) and functional organic materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates and complex heterocyclic compounds.
• Organic Electronic Materials Research: Investigated as a precursor for conjugated polymers or small molecules used in OLEDs, OFETs, or other optoelectronic devices.
• Ligand Synthesis: Utilized in the preparation of specialized ligands for catalysis or metal-organic frameworks (MOFs).
• Academic & Industrial R&D: Employed in methodological studies and the development of new synthetic routes involving alkynes and ketones.
• Specialty Chemical Production: Acts as an intermediate for high-value fine chemicals, dyes, or pigments.

Basic Information

Product Name	1,5-Bis(4-Methylphenyl)-1,4-Pentadiyn-3-One
CAS No.	34793-64-1
Molecular Formula	C19H14O
Molecular Weight	258.32 g/mol
Synonyms	1,5-Di-p-tolylpenta-1,4-diyn-3-one; 3-Pentadiyn-3-one, 1,5-bis(4-methylphenyl)-; 1,5-Bis(4-methylphenyl)-1,4-pentadiyne-3-one; Bis(4-methylphenyl)-1,4-pentadiyn-3-one; p-Tolyl Diynone; (4-Methylphenyl)pentadiynone derivative
EINECS	Contact for details

Quality Control

Our 1,5-Bis(4-Methylphenyl)-1,4-Pentadiyn-3-One is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to handle and store the material under an inert atmosphere for long-term preservation.

Specification

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

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