1,2,3,7-TCDF

Base Information

• Chemical Name: 1,2,3,7-TCDF
• CAS No.: 83704-22-7
• Molecular Formula: C₁₂H₄Cl₄O
• Molecular Weight: 305.975
• Hs Code.: 2932999099

Synonyms:1,2,3,7-TCDF;1,2,3,7-Tetrachlorodibenzofuran; PCDF 51

Chemical Property of 1,2,3,7-TCDF

Chemical Property:

• Vapor Pressure: 7.04E-07mmHg at 25°C
• Melting Point: 167.75°C
• Refractive Index: 1.7140 (rough estimate)
• Boiling Point: 420.1°C at 760 mmHg
• Flash Point: 207.9°C
• PSA: 13.14000
• Density: 1.625g/cm³
• LogP: 6.19960

Purity/Quality:

99% ^*data from raw suppliers

1,2,3,7-TETRACHLORODIBENZOFURAN 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,2,3,7-TCDF

There total 12 articles about 1,2,3,7-TCDF 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:

1,2,3,6,7-pentachlorodibenzofuran (57117-42-7) → 1,2,6,7-tetrachlorodibenzofuran (83704-25-0) + 1,2,3,7-tetrachlorodibenzofuran (83704-22-7) + 1,3,6,7-tetrachlorodibenzofuran (57117-36-9) + 1,2,3,6-tetrachlorodibenzofuran (83704-21-6) + 2,3,6,7-tetrachlorodibenzofuran (57117-39-2)

Guidance literature:

In hexane; for 4h; Product distribution; Irradiation;

DOI:10.1021/ac00252a028

Reference yield:

2,2',3,4,4',6-hexachlorobiphenyl (56030-56-9,99554-12-8,99554-13-9) → 1,2,3,7-tetrachlorodibenzofuran (83704-22-7) + 1,2,3,6,7-pentachlorodibenzofuran (57117-42-7) + 1,3,4,7-tetrachlorodibenzofuran (70648-16-7)

Guidance literature:

With oxygen; at 550 - 600 ℃; for 0.00138889h; Product distribution;

DOI:10.1021/ac00252a028

Reference yield:

→ 1,2,3,7-tetrachlorodibenzofuran (83704-22-7) + 1,2,6,8-tetrachlorodibenzofuran (83710-07-0) + 1,2,4,6-tetrachlorodibenzofuran (71998-73-7) + 1,4,7,8-tetrachlorodibenzofuran (83704-29-4)

Guidance literature:

With water; oxygen; fly ash; at 298 - 398 ℃; Further byproducts given. Title compound not separated from byproducts; Formation of xenobiotics;

DOI:10.1021/es971077z

upstream raw materials:

2,3,4,4'-tetrachlorobiphenyl

1,2,3-trichlorodibenzofuran

1,2,3,6,7-pentachlorodibenzofuran

2,2',3,4,4',6-hexachlorobiphenyl

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