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Premium-Grade Reagents, ≥99% Premium-Grade Reagents for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 13 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Product Describtion:
Phthalic anhydride is an industrially important chemical. It can be prepared from o-xylene or naphthalene. It is widely used for the industrial preparation of plasticizers for PVC (polyvinyl chloride).Phthalic anhydride can be synthesized via oxidation of o-xylene, in the presence of V2O5/TiO2 monolithic catalyst supported by aluminium honeycomb.
| Pubchem Sid | 488180164 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488180164 |
| Canonical Smiles | C1=CC=C2C(=C1)C(=O)OC2=O |
| IUPAC Name | 2-benzofuran-1,3-dione |
| InChIKey | LGRFSURHDFAFJT-UHFFFAOYSA-N |
| INCHI | 1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H |
| Isomeric SMILES | C1=CC=C2C(=C1)C(=O)OC2=O |
| WGK Germany | 1 |
| RTECS | TI3150000 |
| UN Number | 2214 |
| Packing Group | III |
| Molecular Weight | 148.12 |
| Beilstein | 118515 |
| Reaxy-Rn | 118515 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=118515&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
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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 Carboxylic acid anhydrides Oxacyclic compounds Organooxygen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Phthalic anhydride - Phthalic_anhydride - Isobenzofuranone - Isocoumaran - Benzenoid - Dicarboxylic acid or derivatives - Carboxylic acid anhydride - Oxacycle - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - 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 | 2-benzofurans - 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 | May 20, 2026 | P116466 | |
| Certificate of Analysis | May 20, 2026 | P116466 | |
| Certificate of Analysis | May 20, 2026 | P116466 | |
| Certificate of Analysis | May 20, 2026 | P116466 | |
| Certificate of Analysis | Jan 13, 2026 | P116466 | |
| Certificate of Analysis | Jan 13, 2026 | P116466 | |
| Certificate of Analysis | Jan 05, 2026 | P116466 | |
| Certificate of Analysis | Jan 05, 2026 | P116466 | |
| Certificate of Analysis | Jan 05, 2026 | P116466 | |
| Certificate of Analysis | Jan 05, 2026 | P116466 | |
| Certificate of Analysis | Jul 04, 2025 | P116466 | |
| Certificate of Analysis | Jul 04, 2025 | P116466 | |
| Certificate of Analysis | Jul 04, 2025 | P116466 | |
| Certificate of Analysis | Jul 04, 2025 | P116466 | |
| Certificate of Analysis | Jan 17, 2025 | P116466 | |
| Certificate of Analysis | Jan 17, 2025 | P116466 | |
| Certificate of Analysis | Jan 17, 2025 | P116466 | |
| Certificate of Analysis | Dec 30, 2024 | P116466 | |
| Certificate of Analysis | Nov 13, 2024 | P116466 | |
| Certificate of Analysis | Sep 20, 2024 | P116466 | |
| Certificate of Analysis | Sep 20, 2024 | P116466 | |
| Certificate of Analysis | Sep 20, 2024 | P116466 | |
| Certificate of Analysis | Jul 12, 2024 | P116466 | |
| Certificate of Analysis | Jul 12, 2024 | P116466 | |
| Certificate of Analysis | Jul 12, 2024 | P116466 | |
| Certificate of Analysis | Jul 12, 2024 | P116466 | |
| Certificate of Analysis | Mar 22, 2024 | P116466 | |
| Certificate of Analysis | Mar 22, 2024 | P116466 | |
| Certificate of Analysis | Mar 22, 2024 | P116466 | |
| Certificate of Analysis | Feb 22, 2023 | P116466 | |
| Certificate of Analysis | Feb 22, 2023 | P116466 | |
| Certificate of Analysis | Feb 22, 2023 | P116466 | |
| Certificate of Analysis | Feb 22, 2023 | P116466 | |
| Certificate of Analysis | Feb 22, 2023 | P116466 | |
| Certificate of Analysis | Sep 13, 2022 | P116466 | |
| Certificate of Analysis | Sep 13, 2022 | P116466 | |
| Certificate of Analysis | Sep 13, 2022 | P116466 | |
| Certificate of Analysis | Sep 13, 2022 | P116466 | |
| Certificate of Analysis | Mar 15, 2022 | P116466 | |
| Certificate of Analysis | Mar 15, 2022 | P116466 | |
| Certificate of Analysis | Mar 15, 2022 | P116466 | |
| Certificate of Analysis | Mar 15, 2022 | P116466 | |
| Certificate of Analysis | Mar 15, 2022 | P116466 | |
| Certificate of Analysis | Mar 15, 2022 | P116466 | |
| Certificate of Analysis | Mar 15, 2022 | P116466 | |
| Certificate of Analysis | Mar 15, 2022 | P116466 | |
| Certificate of Analysis | Jan 07, 2022 | P116466 | |
| Certificate of Analysis | Jan 07, 2022 | P116466 | |
| Certificate of Analysis | Jan 07, 2022 | P116466 | |
| Certificate of Analysis | Jan 07, 2022 | P116466 |
| Solubility | Soluble in water, carbon disulfide, ethanol, acetone and benzene. Slightly soluble in ethyl ether |
|---|---|
| Sensitivity | Moisture sensitive. |
| Flash Point(°F) | 305.6 °F |
| Flash Point(°C) | 152 °C |
| Boil Point(°C) | 295°C |
| Melt Point(°C) | 130.8°C |
| Molecular Weight | 148.110 g/mol |
| XLogP3 | 1.300 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 148.016 Da |
| Monoisotopic Mass | 148.016 Da |
| Topological Polar Surface Area | 43.400 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 187.000 |
| 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 |
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