1,2,4,5-Benzenetetracarboxylic acid, 1,4-dimethyl ester

Base Information

• Chemical Name: 1,2,4,5-Benzenetetracarboxylic acid, 1,4-dimethyl ester
• CAS No.: 13011-95-5
• Molecular Formula: C12H10 O8
• Molecular Weight: 282.203
• DSSTox Substance ID: DTXSID40884563
• Nikkaji Number: J1.220.221K
• Wikidata: Q82863207

Synonyms:13011-95-5;Dimethyl pyromellitate;1,2,4,5-Benzenetetracarboxylic acid, 1,4-dimethyl ester;2,5-bis(methoxycarbonyl)terephthalic acid;SCHEMBL10616295;DTXSID40884563;C12H10O8;2,5-dicarbomethoxy benzene 1,4-dicarboxylic acid;39900-53-3

Chemical Property of 1,2,4,5-Benzenetetracarboxylic acid, 1,4-dimethyl ester

Chemical Property:

• Vapor Pressure: 3.49E-12mmHg at 25°C
• Boiling Point: 532.8°Cat760mmHg
• Flash Point: 207.5°C
• Density: 1.483g/cm³
• XLogP3: 0.7
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 8
• Rotatable Bond Count: 6
• Exact Mass: 282.03756727
• Heavy Atom Count: 20
• Complexity: 389

Purity/Quality:

85.0-99.8% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC(=O)C1=CC(=C(C=C1C(=O)O)C(=O)OC)C(=O)O

Technology Process of 1,2,4,5-Benzenetetracarboxylic acid, 1,4-dimethyl ester

There total 2 articles about 1,2,4,5-Benzenetetracarboxylic acid, 1,4-dimethyl ester 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:

1,4-dibenzyl 2,5-dimethyl benzene-1,2,4,5-tetracarboxylate (1036648-87-9) → 2,5-bis(methoxycarbonyl)terephthalic acid (13011-95-5)

Guidance literature:

With hydrogen; palladium on activated charcoal; In tetrahydrofuran; at 20 ℃; under 760.051 Torr;

DOI:10.1021/jo800543w

Reference yield:

→ 2,5-bis(methoxycarbonyl)terephthalic acid (13011-95-5)

Guidance literature:

Pyromellitsaeure-dianhydrid, Me., Rueckfluss;

Reference yield: 100.0%

2,5-bis(methoxycarbonyl)terephthalic acid (13011-95-5) + orthoformic acid triethyl ester (122-51-0) → 1,4-diethyl 2,5-dimethyl benzene-1,2,4,5-tetracarboxylate (1036648-74-4)

Guidance literature:

for 1.5h; Heating;

DOI:10.1021/jo800543w

upstream raw materials:

1,4-dibenzyl 2,5-dimethyl benzene-1,2,4,5-tetracarboxylate

Downstream raw materials:

1,4-diethyl 2,5-dimethyl benzene-1,2,4,5-tetracarboxylate

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