Tetrachlorophthalic acid

Base Information

• Chemical Name: Tetrachlorophthalic acid
• CAS No.: 632-58-6
• Molecular Formula: C8H2Cl4O4
• Molecular Weight: 303.913
• European Community (EC) Number: 211-181-2
• NSC Number: 193510
• UNII: W0ENH3M7X7
• DSSTox Substance ID: DTXSID6060896
• Nikkaji Number: J146.988F
• Wikidata: Q27292133
• Mol file: 632-58-6.mol

Synonyms:TETRACHLOROPHTHALIC ACID;632-58-6;3,4,5,6-Tetrachlorophthalic acid;Phthalic acid, perchloro-;Phthalic acid, tetrachloro-;1,2-Benzenedicarboxylic acid, 3,4,5,6-tetrachloro-;Tetrachlorophthalic Acid Hemihydrate;C8H2Cl4O4;EINECS 211-181-2;UNII-W0ENH3M7X7;NSC 193510;3,4,5,6-Tetrachloro-1,2-benzenedicarboxylic acid;BRN 1914906;W0ENH3M7X7;AI3-16302;110471-67-5;3,4,5,6-tetrachlorobenzene-1,2-dicarboxylic acid;NSC-193510;Phthalic acid, 3,4,5,6-tetrachloro-;3-09-00-04205 (Beilstein Handbook Reference);58086-90-1;3,4,5,6-Tetrachlorophthalicacid;SCHEMBL27772;C8-H2-Cl4-O4;DTXSID6060896;BBL002795;MFCD29035077;NSC193510;STK371251;3,4,5,6-Tetrachlorophthalic acid #;AKOS005445642;AC-4659;GS-6683;LS-1521;tetrachlorobenzene-1,2-dicarboxylic acid;FT-0632687;T0070;D70427;A834299;W-104921;Q27292133;TETRACHLOROPHTHALIC ACID (TETRACHLOROPHTHALIC ANDHYDRIDE CAS 117-08-8)

Chemical Property of Tetrachlorophthalic acid

Chemical Property:

• Appearance/Colour: colourless crystals
• Vapor Pressure: 1.73E-08mmHg at 25°C
• Melting Point: 98°C
• Refractive Index: 1.656
• Boiling Point: 439.1 °C at 760 mmHg
• PKA: 0.55±0.32(Predicted)
• Flash Point: 219.4 °C
• PSA: 74.60000
• Density: 1.872 g/cm³
• LogP: 3.69660
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility.: soluble in Methanol
• Water Solubility.: Sparingly soluble
• XLogP3: 3.5
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 2
• Exact Mass: 303.867769
• Heavy Atom Count: 16
• Complexity: 280

Purity/Quality:

98% ^*data from raw suppliers

3,4,5,6-TetrachlorophthalicAcid ^*data from reagent suppliers

Safty Information:

• Pictogram(s): 36/37/38:
• Hazard Codes: 36/37/38:
• Statements: 36/37/38
• Safety Statements: 36/37/39

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1(=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C(=O)O)C(=O)O
• Uses: Dyes, intermediates.

Technology Process of Tetrachlorophthalic acid

There total 29 articles about Tetrachlorophthalic acid 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:

2,3,4,5-tetrachloro-6-pentachlorobenzoyl-benzoic acid → pentachlorobenzene (608-93-5) + tetrachlorophthalic acid (632-58-6)

Guidance literature:

With sulfuric acid; at 200 - 250 ℃;

Reference yield:

sulfuric acid (7664-93-9) + 2,3,4,5-tetrachloro-6-pentachlorobenzoyl-benzoic acid → pentachlorobenzene (608-93-5) + tetrachlorophthalic acid (632-58-6)

Guidance literature:

at 200 - 250 ℃;

Reference yield:

2-amino-4,5,6,7-tetrachloroisoindoline-1,3-dione (6641-31-2) → tetrachlorophthalic acid (632-58-6)

Guidance literature:

With sodium hydroxide; In water;

upstream raw materials:

phthalic anhydride

octachloronaphthalene

1,2,3,4,5,6,8-heptachloronaphthalene

1,2,3,4,5-Pentachloronaphthalene

Downstream raw materials:

2,3,4,5-tetrachloro-6-(methoxycarbonyl) benzoic zcid

Tetrachlor-phthalsaeure-monoethylester

tetrachloro-phthalic acid monoisopentyl ester

tetrachloro-phthalic acid mono-(2-ethyl-2-methyl-butyl ester)

Refernces

• 1、 -. "Process for the preparation of salts of substituted or unsubstituted phthalic acids". . . Retrieved 2008/06/13.