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Phthalic Anhydride is an organic compound with the chemical formula C8H4O3. It is a white crystalline solid with a strong, pungent odor. Phthalic Anhydride is a key intermediate in the chemical industry and serves as a building block for the synthesis of various important chemicals and plastics.
| Property | Specification |
|---|---|
| Chemical Formula | C8H4O3 |
| CAS Number | 85-44-9 |
| Molecular Weight | 148.12 g/mol |
| Appearance | White crystalline solid |
| Melting Point | 131-134°C |
| Boiling Point | 284-285°C |
| Purity | 99.5% min |
| Phthalic Acid Content | 0.1% max |
| Maleic Anhydride Content | 0.5% max |
| Ash Content | 0.01% max |
| Iron (Fe) | 5 ppm max |
| Color (APHA) | 20 max |