1,2,8,9-TETRACHLORODIBENZO-PARA-DIOXIN

Base Information

• Chemical Name: 1,2,8,9-TETRACHLORODIBENZO-PARA-DIOXIN
• CAS No.: 62470-54-6
• Molecular Formula: C12H4Cl4O2
• Molecular Weight: 321.971
• Mol file: 62470-54-6.mol

Synonyms:Dibenzo-p-dioxin,1,2,8,9-tetrachloro;1,2,8,9-TETRACHLORODIBENZO-PARA-DIOXIN;1,2,8,9-tetrachlorodioxine;1,2,8,9-tetrachloro-dibenzo[1,4]dioxine;1,2,8,9-TCDD;Dibenzo(b,e)(1,4)dioxin,1,2,8,9-tetrachloro;1,2,8,9-tetrachlorodibenzodioxin;1,2,8,9-T4CDD;1,2,8,9-Tetrachlorodibenzo(b,e)(1,4)dioxin;

Chemical Property of 1,2,8,9-TETRACHLORODIBENZO-PARA-DIOXIN

Chemical Property:

• Vapor Pressure: 8.52E-07mmHg at 25°C
• Boiling Point: 417.5°Cat760mmHg
• Flash Point: 164°C
• PSA: 18.46000
• Density: 1.643g/cm³
• LogP: 6.19820

Purity/Quality:

99%min ^*data from raw suppliers

1,2,8,9-TETRACHLORODIBENZO-P-DIOXIN 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 1,2,8,9-Tetrachlorodibenzo-p-dioxin is a standard used in environmental testing and research such as in the study of pesticides and dioxin formation.

Technology Process of 1,2,8,9-TETRACHLORODIBENZO-PARA-DIOXIN

There total 5 articles about 1,2,8,9-TETRACHLORODIBENZO-PARA-DIOXIN 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:

→ 1,2,6,7-tetrachlorodioxine (40581-90-6) + 1,2,8,9-tetrachloro-dibenzo[1,4]dioxine (62470-54-6) + 1,3,6,8-tetrachlorodibenzofuran (71998-72-6) + 1,3,7,8-tetrachlorodibenzofuran (57117-35-8)

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

Reference yield:

potassium salt of 2,3,4-trichlorophenol (58200-71-8) → 1,2,6,7-tetrachlorodioxine (40581-90-6) + 1,2,8,9-tetrachloro-dibenzo[1,4]dioxine (62470-54-6)

Guidance literature:

at 300 ℃; Title compound not separated from byproducts;

DOI:10.1021/ac50064a006

Reference yield:

acetylene (74-86-2,25067-58-7) → 1,2,6,7-tetrachlorodioxine (40581-90-6) + 1,2,8,9-tetrachloro-dibenzo[1,4]dioxine (62470-54-6) + 1,2,3,4,6,7,9-heptachlorodibenzo-p-dioxin (58200-70-7) + HpCDD 1234678 (35822-46-9)

Guidance literature:

With oxygen; copper dichloride; at 300 ℃; for 0.000555556h; Further byproducts given; Formation of xenobiotics;

DOI:10.1016/S0045-6535(99)00272-6

upstream raw materials:

potassium salt of 2,3,6-trichlorophenol

potassium salt of 2,3,4-trichlorophenol

acetylene

Refernces

• 1、 Taylor, Philip H.,Wehrmeier, Andreas,Sidhu, Sukh S.,Lenoir, Dieter,Schramm,Kettrup. "Copper-catalyzed chlorination and condensation of acetylene and dichloroacetylene". . p. 1297 - 1303. Retrieved 2007/10/03.
• 2、 Buser, Hans Rudolf,Rappe, Christoffer. "Isomer-Specific Separation of 2378-Substituted Polychlorinated Dibenzo-p-dioxins by High-Resolution Gas Chromatography/Mass Spectrometry". . p. 442 - 448. Retrieved 2007/10/02.