1,2,3,4-Tetrachlorodibenzofuran

Base Information

• Chemical Name: 1,2,3,4-Tetrachlorodibenzofuran
• CAS No.: 24478-72-6
• Deprecated CAS: 32076-57-6,55722-27-5
• Molecular Formula: C12H4Cl4O
• Molecular Weight: 305.9716
• Hs Code.: 2932999099
• UNII: G7ED7OIQ5M
• DSSTox Substance ID: DTXSID5067556
• Nikkaji Number: J401.034E
• Wikidata: Q27278885
• Mol file: 24478-72-6.mol

Synonyms:1,2,3,4-tetrachlorodibenzofuran

Chemical Property of 1,2,3,4-Tetrachlorodibenzofuran

Chemical Property:

• Vapor Pressure: 8.96E-07mmHg at 25°C
• Melting Point: 168.75°C
• Refractive Index: 1.713
• Boiling Point: 416.8 °C at 760 mmHg
• Flash Point: 205.9 °C
• PSA: 13.14000
• Density: 1.625 g/cm³
• LogP: 6.19960
• XLogP3: 5.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 305.898675
• Heavy Atom Count: 17
• Complexity: 300

Purity/Quality:

99% ^*data from raw suppliers

1,2,3,4-TETRACHLORODIBENZOFURAN 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)C3=C(O2)C(=C(C(=C3Cl)Cl)Cl)Cl
• Uses: 1,2,3,4-Tetrachlorodibenzofuran is a dioxin-like PCB impurity that is found in some Japanese agrochemical formulations.

Technology Process of 1,2,3,4-Tetrachlorodibenzofuran

There total 14 articles about 1,2,3,4-Tetrachlorodibenzofuran which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 41.0%

o-tetrachloroquinone (2435-53-2) + benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1) → 1,2,3,4-tetrachlorodibenzofuran (24478-72-6)

Guidance literature:

With trifluorormethanesulfonic acid; In 2,2,2-trifluoroethanol; at -30 - 80 ℃; for 18h; Solvent; Temperature; Inert atmosphere;

DOI:10.1016/j.tetlet.2016.06.100

Reference yield:

ovalene (190-26-1) → 1,2,3,4-tetrachlorodibenzofuran (24478-72-6)

Guidance literature:

With oxygen; pyrographite; copper(l) chloride; at 400 ℃; for 2h; Formation of xenobiotics;

DOI:10.1021/es980857k

Reference yield:

Benzo[ghi]perylene (191-24-2) → 1,2,3,4-tetrachlorodibenzofuran (24478-72-6)

Guidance literature:

With oxygen; pyrographite; copper(l) chloride; at 400 ℃; for 2h; Formation of xenobiotics;

DOI:10.1021/es980857k

upstream raw materials:

PCB 61

2,3,4,5,6-pentachlorobiphenyl

PCB 88

ovalene

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