53555-66-1

Basic information

• Product Name: 3,4,5-TRICHLOROBIPHENYL
• Synonyms: BZNO 38;3,4,5-TRICHLOROBIPHENYL;PCB NO 38
• CAS NO: 53555-66-1
• Molecular Formula: C₁₂H₇Cl₃
• Molecular Weight: 257.54
• Mol File: 53555-66-1.mol
• Article Data: 5

Chemical Properties

• Melting Point: 63.91°C (estimate)
• Boiling Point: 334.36°C (rough estimate)
• Flash Point: 244.9°C
• Appearance: /
• Density: 1.3510 (rough estimate)
• Vapor Pressure: 7.29E-05mmHg at 25°C
• Refractive Index: 1.6040 (rough estimate)
• CAS DataBase Reference: 3,4,5-TRICHLOROBIPHENYL(CAS DataBase Reference)
• NIST Chemistry Reference: 3,4,5-TRICHLOROBIPHENYL(53555-66-1)
• EPA Substance Registry System: 3,4,5-TRICHLOROBIPHENYL(53555-66-1)

Safety Data

• Hazardous Substances Data: 53555-66-1(Hazardous Substances Data)

Usage

Uses

3,4,5-Trichlorobiphenyl is a polychlorinated biphenyl (PCB) congeners.

InChI:InChI=1/C12H7Cl3/c13-10-6-9(7-11(14)12(10)15)8-4-2-1-3-5-8/h1-7H

Upstream product

• 21928-51-8 5-bromo-1,2,3-trichloro-benzene 
• 98-80-6 phenylboronic acid 
• 33284-53-6 PCB 61 
• 634-91-3 3,4,5-trichloroaniline 
• 71-43-2 benzene 

Downstream Products

• 92-52-4 biphenyl 
• 2974-92-7 3,4-dichlorobiphenyl 

Relevant articles and documents

ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE

An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, an electron transport region provided on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1 to obtain high luminous efficiency:

Phototransformations of polychlorobiphenyls in brij 58 micellar solutions

Our purpose in conducting these studies was to examine photolysis as a destructive process for polychlorobiphenyls (PCBs) extracted from soils with surfactant solutions. Surfactants have shown promise as agents for removing free phase and sorbed contaminants from soils, yet information on ultimate disposal options and recycle/recovery strategies for the surfactants is generally lacking. For arylhalides, photodechlorination may result in decontamination, eliminating the need to physically separate these contaminants from the washing solution. Photochemical reactions of the PCB congener mixture, Aroclor 1254, and the specific congener, 2,3,4,5- tetrachlorobiphenyl (2,3,4,5-TeCB), were investigated in aqueous solutions containing surfactant micelles with UV light at 253.7 nm. Photoreduction through photodechlorination was shown to be the main decay pathway in which lesser chlorinated congeners were formed as intermediates. In experiments with 2,3,4,5-TeCB, final noncarbon-containing products included Cl- and H+, both produced nearly stoichiometrically from the starting materials. The quantum yield for decay of 0.1 μM 2,3,4,5-TeCB in 0.5 mM Brij 58 micellar solutions was over six times greater than in water alone. Sequential extraction from a soil and photoreduction of 2,3,4,5-tetrachlorobiphenyl by Brij 58 solutions proved to be limited by surfactant loss to the soil. Our purpose in conducting these studies was to examine photolysis as a destructive process for polychlorobiphenyls (PCBs) extracted from soils with surfactant solutions. Surfactants have shown promise as agents for removing free phase and sorbed contaminants from soils, yet information on ultimate disposal options and recycle/recovery strategies for the surfactants is generally lacking. For arylhalides, photodechlorination may result in decontamination, eliminating the need to physically separate these contaminants from the washing solution. Photochemical reactions of the PCB congener mixture, Aroclor 1254, and the specific congener, 2,3,4,5-tetrachlorobiphenyl (2,3,4,5-TeCB), were investigated in aqueous solutions containing surfactant micelles with UV light at 253.7 nm. Photoreduction through photodechlorination was shown to be the main decay pathway in which lesser chlorinated congeners were formed as intermediates. In experiments with 2,3,4,5-TeCB, final noncarbon-containing products included Cl- and H+, both produced nearly stoichiometrically from the starting materials. The quantum yield for decay of 0.1 μM 2,3,4,5-TeCB in 0.5 mM Brij 58 micellar solutions was over six times greater than in water alone. Sequential extraction from a soil and photoreduction of 2,3,4,5-tetrachlorobiphenyl by Brij 58 solutions proved to be limited by surfactant loss to the soil.

Photodecomposition of unsymmetrical polychlorobisphenyls.

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