Description

(E)-1,4-Bis(4-Methylphenyl)-2-Butene-1,4-Dione is a high-purity organic chemical building block characterized by its conjugated diketone structure flanked by tolyl groups. This compound matters for its role as a key intermediate in the synthesis of advanced materials and specialty chemicals, offering precise structural control for downstream applications. Industries requiring fine chemical synthesis, such as pharmaceutical research, advanced polymer development, and organic electronics, are the primary users of this material.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Organic Semiconductor Synthesis: Used in the development of conjugated organic materials for electronic applications like OLEDs and OFETs.
• Ligand and Catalyst Preparation: Acts as a backbone for creating specialized ligands in coordination chemistry and catalysis.
• Polymer Chemistry: Incorporated as a monomer or cross-linking agent in the production of high-performance polymers and resins.
• Advanced Material Research: Employed in R&D for novel organic compounds with specific optical or electronic properties.
• Fine Chemical Synthesis: A versatile building block for constructing complex organic molecules in custom synthesis projects.

Basic Information

Product Name	(E)-1,4-Bis(4-Methylphenyl)-2-Butene-1,4-Dione
CAS No.	17342-09-5
Molecular Formula	C18H16O2
Molecular Weight	264.32 g/mol
Synonyms	(E)-1,4-Di-p-tolyl-2-butene-1,4-dione; (E)-1,4-Bis(p-tolyl)-2-butene-1,4-dione; (E)-1,4-Di(4-methylphenyl)-2-butene-1,4-dione; (E)-p,p'-Dimethylchalcone Diketone; trans-1,4-Bis(4-methylphenyl)-2-butene-1,4-dione; (E)-Ditolylfumaroyl; 2-Butene-1,4-dione, 1,4-bis(4-methylphenyl)-, (E)-
EINECS	Contact for details

Quality Control

Our (E)-1,4-Bis(4-Methylphenyl)-2-Butene-1,4-Dione is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to verify identity and purity. Certificates of Analysis (COA) documenting all test results are provided and available upon request to support your quality assurance protocols.

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 incompatible materials such as strong oxidizing agents, strong bases, and strong reducing agents.

Specification

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