DIMETHYL TETRACHLOROTEREPHTHALATE

Base Information

• Chemical Name: DIMETHYL TETRACHLOROTEREPHTHALATE
• CAS No.: 20098-41-3
• Molecular Formula: C10H6 Cl4 O4
• Molecular Weight: 331.9642
• Hs Code.: 2917399090
• Mol file: 20098-41-3.mol

Synonyms:1,2-Benzenedicarboxylicacid, 3,4,5,6-tetrachloro-, dimethyl ester (9CI); Phthalic acid, tetrachloro-,dimethyl ester (6CI,7CI,8CI); Dimethyl tetrachlorophthalate; NSC 71179

Chemical Property of DIMETHYL TETRACHLOROTEREPHTHALATE

Chemical Property:

• Vapor Pressure: 5.7E-06mmHg at 25°C
• Melting Point: 154 °C
• Boiling Point: 422 °C at 760 mmHg
• Flash Point: 174.7 °C
• PSA: 52.60000
• Density: 1.558 g/cm³
• LogP: 3.87340
• Storage Temp.: 0-6°C

Purity/Quality:

98.5% ^*data from raw suppliers

DIMETHYL TETRACHLOROTEREPHTHALATE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of DIMETHYL TETRACHLOROTEREPHTHALATE

There total 15 articles about DIMETHYL TETRACHLOROTEREPHTHALATE 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: 38.0%

N-ethoxycarbonyl-(2,3,4,5-tetrachloro-1-thiophenio)amide (90454-50-5) + dimethyl acetylenedicarboxylate (762-42-5) → dimethyl 3,4,5,6-tetrachlorophthalate (20098-41-3) + dimethyl 2-chloro-3-ethoxycarbonylimino-2-trichlorothien-2-ylsuccinate (119321-78-7)

Guidance literature:

In cyclohexane; at 80 ℃; for 168h;

Reference yield: 35.0%

methanol (67-56-1) + tetrachlorophthalic acid (632-58-6) → dimethyl 3,4,5,6-tetrachlorophthalate (20098-41-3)

Guidance literature:

With sulfuric acid; for 18.1667h; Reflux;

DOI:10.3390/molecules25122855

Reference yield: 4.0%

N-ethoxycarbonyl-(2,3,4,5-tetrachloro-1-thiophenio)amide (90454-50-5) + dimethyl acetylenedicarboxylate (762-42-5) → dimethyl 3,4,5,6-tetrachlorophthalate (20098-41-3) + 5,6,7,8-tetrachloro-2-ethoxycarbonyl-3,4-bis(methoxycarbonyl)-2H-1,2-thiazocine (106550-68-9)

Guidance literature:

In benzene; at 80 ℃; for 72h;

upstream raw materials:

hexachloro-phthalide

sodium methylate

tetrachloro-phthaloyl chloride

1,4,5,6-tetrachloro-7,7-difluoro-norborna-2,5-diene-2,3-dicarboxylic acid dimethyl ester

Refernces

• 1、 Dillen, Jan L. M.,Meth-Cohn, Otto,Vuuren, Gerda van. "Interaction of Thiophene S,N-Ylides with Dimethyl Acetylenedicarboxilate". . p. 2659 - 2662. Retrieved 2007/10/02.
• 2、 Roedig, Alfred,Ganns, Eva Maria. "Polyhalogenated Bicycloocta-1,5,7-trienes, X. - Aromatizing Nucleophilic Substitutions and Rearrangements of Polyhalogenated 2,5-Diphenylbicycloocta-1,5,7-trienes". . p. 406 - 419. Retrieved 2007/10/02.