33284-52-5

Basic information

• Product Name: 3,3',5,5'-TETRACHLOROBIPHENYL
• Synonyms: 3,3',5,5'-Tetrachloro-1,1'-biphenyl;3,3',5,5'-Tetrachlorodiphenyl;3,5,3',5'-Tetrachlorobiphenyl;3,5,3’,5’-tetrachlorobiphenyl;Biphenyl, 3,3',5,5'-tetrachloro-;PCB 80;PCB NO 80;3,3',5,5'-TETRACHLOROBIPHENYL
• CAS NO: 33284-52-5
• Molecular Formula: C₁₂H₆Cl₄
• Molecular Weight: 291.99
• Mol File: 33284-52-5.mol
• Article Data: 6

Chemical Properties

• Melting Point: 164°C
• Boiling Point: 374.95°C (rough estimate)
• Flash Point: 190°C
• Appearance: /
• Density: 1.4420 (rough estimate)
• Refractive Index: 1.6120 (rough estimate)
• Water Solubility: 1.232ug/L(25 oC)
• CAS DataBase Reference: 3,3',5,5'-TETRACHLOROBIPHENYL(CAS DataBase Reference)
• NIST Chemistry Reference: 3,3',5,5'-TETRACHLOROBIPHENYL(33284-52-5)
• EPA Substance Registry System: 3,3',5,5'-TETRACHLOROBIPHENYL(33284-52-5)

Safety Data

• Hazardous Substances Data: 33284-52-5(Hazardous Substances Data)

Usage

Description

3,3',5,5'-TETRACHLOROBIPHENYL, also known as a polychlorinated biphenyl (PCB) congener, is a type of biphenyl in which both phenyl groups are substituted by chlorines at positions 3 and 5. It is a chemical compound that has been widely used in various industrial applications due to its unique properties.

Uses

Used in Chemical Industry:
3,3',5,5'-TETRACHLOROBIPHENYL is used as a chemical intermediate for the production of various industrial chemicals. Its stability and resistance to degradation make it a suitable candidate for use in the manufacturing process of different chemical products.
Used in Electrical Industry:
In the electrical industry, 3,3',5,5'-TETRACHLOROBIPHENYL is used as a component in the production of transformers and capacitors. Its non-flammable and high-heat resistance properties make it an ideal choice for these applications.
Used in Plastics Industry:
3,3',5,5'-TETRACHLOROBIPHENYL is used as an additive in the plastics industry to enhance the properties of certain plastics. It improves the thermal stability, flame resistance, and electrical insulating capabilities of the plastic materials.
Used in Paints and Coatings Industry:
In the paints and coatings industry, 3,3',5,5'-TETRACHLOROBIPHENYL is used as an additive to improve the durability, chemical resistance, and heat resistance of the final product. Its incorporation into paint formulations helps to extend the service life of coatings and protect the underlying materials from environmental degradation.

Upstream product

• 67492-50-6 (3,5-dichlorophenyl)boronic acid 
• 62-53-3 aniline 
• 19752-55-7 1-bromo-3,5-dichlorobenzene 

Relevant articles and documents

Sustainable Synthesis of Biaryls Using Silica Supported Ferrocene Appended N-Heterocyclic Carbene-Palladium Complex

Abstract: A novel silica supported ferrocene appended N-heterocyclic carbene-palladium complex (SilFemBenzNHC@Pd) has been prepared and characterized by using fourier transform infrared (FT-IR), fourier transform Raman (FT-Raman), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), thermogravimetric analysis (TGA) and energy dispersive X-ray analysis (EDX). This novel complex served as a robust heterogeneous catalyst for the synthesis of biaryls via homocoupling of aryl boronic acids under base-free conditions in water. Recyclability experiments were executed successfully for six successive runs. Graphic Abstract: [Figure not available: see fulltext.]

Homocoupling reactions of terminal alkynes and arylboronic compounds catalyzed by in situ formed Al(OH)3-supported palladium nanoparticles

Palladium nanoparticles supported on newly generated Al(OH)3was found to be a highly efficient catalyst in oxidative homo-couplings of (Het)aryl alkynes, (Het)arylboronic acids and potassium (Het)aryltrifluoroborates, respectively. Moderate to excellent yields of symmetrical 1,3-diynes and biaryls were obtained under mild conditions.

Homocoupling of arylboronic acids with a catalyst system consisting of a palladium(II) N-heterocyclic carbene complex and p-benzoquinone

In the presence of 1-3 mol% SIPr-ligated Pd(OAc)2 and 0.6 equivalent of p-benzoquinone, various arylboronic acids underwent homocoupling in MeOH at ambient temperature to produce symmetrical biaryls in 38-96% yields. Georg Thieme Verlag Stuttgart.