Determine the necessary mass, volume, or concentration for preparing a solution.
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≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,Argon charged,Desiccated Ships FedEx DG Service Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504751646 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504751646 |
| Canonical Smiles | C12=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C(=O)OC2=O |
| IUPAC Name | 4,5,6,7-tetrachloro-2-benzofuran-1,3-dione |
| InChIKey | AUHHYELHRWCWEZ-UHFFFAOYSA-N |
| INCHI | 1S/C8Cl4O3/c9-3-1-2(8(14)15-7(1)13)4(10)6(12)5(3)11 |
| Isomeric SMILES | C12=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C(=O)OC2=O |
| WGK Germany | 3 |
| PubChem CID | 8326 |
| UN Number | 3077 |
| Packing Group | III |
| Molecular Weight | 285.9 |
| Beilstein | 211560 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Benzofurans |
| Subclass | Benzofuranones |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Phthalic anhydrides |
| Alternative Parents | Isobenzofuranones Dicarboxylic acids and derivatives Benzenoids Aryl chlorides Vinylogous halides Carboxylic acid anhydrides Oxacyclic compounds Organooxygen compounds Organochlorides Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Phthalic anhydride - Phthalic_anhydride - Isobenzofuranone - Isocoumaran - Aryl chloride - Aryl halide - Dicarboxylic acid or derivatives - Benzenoid - Carboxylic acid anhydride - Vinylogous halide - Carboxylic acid derivative - Oxacycle - Organohalogen compound - Organic oxygen compound - Hydrocarbon derivative - Organic oxide - Organochloride - Organooxygen compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as phthalic anhydrides. These are compounds containing a phthalic anhydride moiety (or a derivative thereof), which consists of a benzene fused to a furan-1,3-dione. |
| External Descriptors | tetrachlorobenzene - cyclic dicarboxylic anhydride |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Mar 11, 2026 | T106842 | |
| Certificate of Analysis | Mar 11, 2026 | T106842 | |
| Certificate of Analysis | Dec 09, 2025 | T106842 | |
| Certificate of Analysis | Oct 21, 2024 | T106842 | |
| Certificate of Analysis | Oct 21, 2024 | T106842 | |
| Certificate of Analysis | Apr 24, 2024 | T106842 | |
| Certificate of Analysis | Apr 24, 2024 | T106842 | |
| Certificate of Analysis | Apr 24, 2024 | T106842 | |
| Certificate of Analysis | Apr 24, 2024 | T106842 | |
| Certificate of Analysis | Mar 15, 2022 | T106842 |
| Solubility | Hydrolyzes slowly in water. |
|---|---|
| Sensitivity | Moisture sensitive |
| Flash Point(°F) | 683°F |
| Flash Point(°C) | 362℃ |
| Boil Point(°C) | 366°C |
| Melt Point(°C) | 255°C |
| Molecular Weight | 285.900 g/mol |
| XLogP3 | 3.800 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 285.857 Da |
| Monoisotopic Mass | 283.86 Da |
| Topological Polar Surface Area | 43.400 Ų |
| Heavy Atom Count | 15 |
| Formal Charge | 0 |
| Complexity | 291.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Juan Zhang, Shuang Sun, Yuhang Bian, Weikang Li, Ran Liu, Dishun Zhao. (2018) Adsorptive desulfurization of metal phthalocyanine functionalized poly-ionic liquids grafted to silica gel. FUEL, [PMID:] [10.1016/j.fuel.2018.01.135] |