100-20-9 | 1,4-Benzenedicarbonyl dichloride

Packsize	Purity	Availability	Price	Discounted Price
25g	99%	in stock	$20.00	$14.00
100g	99%	in stock	$25.00	$18.00
500g	99%	in stock	$62.00	$43.00

Description

• Catalog Number: AA00004
• Chemical Name: 1,4-Benzenedicarbonyl dichloride
• CAS Number: 100-20-9
• Molecular Formula: C8H4Cl2O2
• Molecular Weight: 203.0222
• MDL Number: MFCD00000693
• SMILES: ClC(=O)c1ccc(cc1)C(=O)Cl

Upstream Synthesis Route

1,4-Benzenedicarbonyl dichloride, also known as terephthaloyl dichloride, is a highly versatile chemical compound that plays a crucial role in chemical synthesis. This compound is widely used in various industrial processes as a key intermediate in the production of polymers, resins, and other high-performance materials.One of the primary applications of 1,4-Benzenedicarbonyl dichloride is in the synthesis of polyesters. When reacted with diols, such as ethylene glycol, this compound undergoes a condensation reaction to form polyester polymers. These polyesters exhibit excellent mechanical properties, chemical resistance, and thermal stability, making them ideal for applications in textiles, packaging, and engineering plastics.Additionally, 1,4-Benzenedicarbonyl dichloride is utilized in the preparation of liquid crystal polymers (LCPs). By reacting this compound with other monomers containing aromatic rings, LCPs with unique molecular structures and exceptional heat resistance can be synthesized. These LCPs find applications in electronics, aerospace, and automotive industries due to their superior mechanical strength and dielectric properties.Furthermore, 1,4-Benzenedicarbonyl dichloride is employed in the production of aromatic polyamides, commonly known as aramids. Through a polycondensation process with diamines, this compound helps to form high-strength fibers and resins with outstanding chemical resistance and flame-retardant properties. Aramids are extensively used in protective clothing, composites, and ballistic materials.In conclusion, the versatile nature of 1,4-Benzenedicarbonyl dichloride enables its wide-ranging applications in polymer chemistry, contributing significantly to the development of advanced materials across various industries.