4,4'-BIPHENYLDICARBONYL CHLORIDE -factory

4,4'-BIPHENYLDICARBONYL CHLORIDE -package

4,4′-BIPHENYLDICARBONYL CHLORIDE with CAS 2351-37-3

CAS:2351-37-3
Molecular Formula:C14H8Cl2O2
Molecular Weight:279.12
EINECS:219-085-2
Synonyms:1,1′-Biphenyl-4,4′-bis(carboxylic acid chloride); 4,4′-Biphenylbis(carboxylic acid chloride); 4,4′-Biphenyldicarboxylic acid dichloride; 4,4′-Biphenyldicrbonyl chloride; 4,4′-DIPHENYLDICARBONYL CHLORIDE; 4,4′-DIBENZOYL CHLORIDE; 4,4′-BIBENZOYL CHLORIDE

what is of 4,4′-BIPHENYLDICARBONYL CHLORIDE with CAS 2351-37-3?

4,4′-Biphenyldicarbonyl chloride, also known as Biphenyl-4,4′-dicarbonyl dichloride or Terephthaloyl chloride analog with biphenyl structure, is an important organic intermediate. It is a white to light yellow crystalline solid with high reactivity due to its acyl chloride groups.

This compound is widely used in polymer synthesis and as a specialty intermediate for high-performance materials. Its biphenyl structure contributes rigidity, while the carbonyl chloride groups make it a versatile building block for condensation reactions.

Specification

Item	Index value(%)	Results(%)
Appearance	White to light yellow crystalline powder	White crystalline powder
Purity,%	98.0%min	98.23%
Conclusion	The results conform to the enterprise standard.

Application

1. Polymer Industry

Used as a monomer or crosslinking agent in the preparation of high-performance polymers such as polyimides, polyesters, and liquid crystal polymers.
Enhances thermal stability, mechanical strength, and rigidity of specialty plastics.

2. Pharmaceuticals & Fine Chemicals

Serves as an intermediate in the synthesis of pharmaceutical active ingredients (APIs).
Used in the preparation of specialty aromatic derivatives for advanced chemical research.

3. Material Science

Applied in the development of liquid crystal materials and organic electronic materials.
Provides structural rigidity and stability, making it useful in coatings and advanced composites.