Description

1,3-Dibenzoylbenzene is a high-purity aromatic ketone compound, also known as 1,3-diphenylbenzene-1,3-dione. This versatile intermediate is valued for its role in advanced organic synthesis and materials science, offering a rigid, conjugated structure. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a core component or precursor in the manufacture of liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs).
• Polymer & Resin Modifier: Imparts thermal stability and rigidity as a cross-linking agent or monomer in high-performance engineering plastics and coatings.
• Organic Synthesis Reagent: Employed in Friedel-Crafts acylation and other reactions to introduce the dibenzoyl moiety into complex molecules.
• Photoinitiator & UV Absorber Precursor: Used in the development of photoactive compounds for curing applications and UV-stabilizing additives.

Basic Information

Product Name	1,3-Dibenzoylbenzene
CAS No.	3770-82-9
Molecular Formula	C20H14O2
Molecular Weight	286.33 g/mol
Synonyms	1,3-Diphenylbenzene-1,3-dione; m-Dibenzoylbenzene; 1,3-Bis(phenylcarbonyl)benzene; Isophthalophenone; Benzophenone-3,3'-dicarboxylic Acid Derivative; m-Benzophenone; 1,3-Diphenylisophthalaldehyde Precursor
EINECS	223-237-5

Quality Control

Our 1,3-Dibenzoylbenzene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, GC for residual solvents, and spectroscopic identification (IR, NMR), to ensure it meets exacting customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	142 - 146 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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