Phthalic Anhydride
CAS 85-44-9Request a Phthalic Anhydride quote from OpenFormula. A phthalic anhydride quote should identify both the chemical and the physical form required by your process. Supply your acceptance limits so standard and specially treated grades can be evaluated separately.
Chemical identity: Phthalic Anhydride — CAS 85-44-9.
Phthalic Anhydride specifications to confirm
- Required assay and impurity profile.
- Flake or other requested physical form.
- Color, moisture and packaging limits.
Phthalic Anhydride purchasing questions
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Related material specifications
For comparison with a different purchasing requirement, review Phthalic Anhydride (Anti-Stat). Related listings are not automatic substitutes; confirm the identity and specification required by your formulation.
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| Product | Phthalic Anhydride |
| CAS | 85-44-9 |
Product Properties
Fisher Scientific reference: Phthalic anhydride, ACS reagent
Chemical reference data from the linked Fisher listing. Grade, purity, treatment and final supply specifications are confirmed with your quote.
| CAS | 85-44-9 |
|---|---|
| Molecular Formula | C8H4O3 |
| Molecular Weight (g/mol) | 148.12 |
| MDL Number | MFCD00005918 |
| PubChem CID | 6811 |
| ChEBI | CHEBI:36605 |
| IUPAC Name | 1,3-dihydro-2-benzofuran-1,3-dione |
| InChI Key | LGRFSURHDFAFJT-UHFFFAOYSA-N |
| SMILES | O=C1OC(=O)C2=CC=CC=C12 |
| Synonym | phthalic anhydride; isobenzofuran-1; 3-dione |
| Physical Form | Flaky Crystals |
| Color | White |
| Melting Point | 129.0°C to 132.0°C |
| Boiling Point | 284.0°C |
| Viscosity | 6.4 mPa.s (197°C) |
| Solubility Information | Solubility in water: 6g/L (20°C). Other solubilities: soluble in alcohol and carbon disulfide, slightly soluble in ether, 7.5% in benzene (25°C), forms phthalic acid in water |
| Flash Point | 152°C |
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