1,2,4,5-Tetrachloro-3,6-dimethoxybenzene

Base Information

• Chemical Name: 1,2,4,5-Tetrachloro-3,6-dimethoxybenzene
• CAS No.: 944-78-5
• Molecular Formula: C8H6 Cl4 O2
• Molecular Weight: 275.946
• Hs Code.: 2909309090
• DSSTox Substance ID: DTXSID70241468
• Nikkaji Number: J107.377J
• Wikidata: Q75055206
• Metabolomics Workbench ID: 118950
• Mol file: 944-78-5.mol

Synonyms:1,2,4,5-tetrachloro-3,6-dimethoxybenzene;TC-3,6-DMB

Chemical Property of 1,2,4,5-Tetrachloro-3,6-dimethoxybenzene

Chemical Property:

• Vapor Pressure: 0.000326mmHg at 25°C
• Melting Point: 165 °C
• Boiling Point: 330.1°Cat760mmHg
• Flash Point: 128.4°C
• PSA: 18.46000
• Density: 1.489g/cm³
• LogP: 4.31740
• Storage Temp.: 2-8°C
• XLogP3: 4.7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 2
• Exact Mass: 275.909240
• Heavy Atom Count: 14
• Complexity: 156

Purity/Quality:

97% ^*data from raw suppliers

1,2,4,5-Tetrachloro-3,6-dimethoxybenzene 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC1=C(C(=C(C(=C1Cl)Cl)OC)Cl)Cl

Technology Process of 1,2,4,5-Tetrachloro-3,6-dimethoxybenzene

There total 8 articles about 1,2,4,5-Tetrachloro-3,6-dimethoxybenzene 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: 71.0%

1,4-dimethoxybezene (150-78-7) → 1,2,4,5-tetrachloro-3,6-dimethoxybenzene (944-78-5)

Guidance literature:

With benzyltrimethylazanium tetrachloro-λ³-iodanuide; In acetic acid; at 70 ℃; for 24h;

DOI:10.1246/cl.1989.415

Reference yield: 57.0%

2,3,5,6-tetrachlorobenzene-1,4-diol (87-87-6) + dimethyl sulfate (77-78-1) → 1,2,4,5-tetrachloro-3,6-dimethoxybenzene (944-78-5)

Guidance literature:

With sodium hydroxide; In water; for 0.5h; Reflux;

DOI:10.1021/jo801397g

Reference yield: 1.0%

chloranil (118-75-2) + 2,5-dihydro-2,2-dimethoxy-5,5-dimethyl-1,3,4-oxadiazole (138723-90-7) → 1,2,4,5-tetrachloro-3,6-dimethoxybenzene (944-78-5) + 4-methoxy-2,3,5,6-tetrachlorophenyl methyl carbonate + 1,4-(2,3,5,6-tetrachlorophenyl) bis(methyl carbonate)

Guidance literature:

In benzene; at 110 ℃; for 24h;

DOI:10.1021/jo9823846

upstream raw materials:

diazomethane

2,3,5,6-tetrachlorobenzene-1,4-diol

2,5-dimethoxyquinone

acetyl chloride

Downstream raw materials:

chloranil

3,4,6-trichloro-2,5-dimethoxy-biphenyl

2,3,5-trichloro-1,4-dimethoxybenzene

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