| Product Name | Phthalic acid |
| CAS No. | 88-99-3 |
| Synonyms | Benzene-1,2-dicarboxylic acid; 1,2-Benzenedicarboxylic acid; o-benzenedicarboxylic acid; o-Dicarboxybenzene; o-Phthalic Acid; sunftal 20; Pathalic acid; benzene-1,2-dicarboxylate |
| InChI | InChI=1/C8H6O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10)(H,11,12)/p-2 |
| Molecular Formula | C8H4O4 |
| Molecular Weight | 164.1161 |
| Melting point | 200-205℃ |
| Boiling point | 378.3°C at 760 mmHg |
| Flash point | 196.7°C |
| Water solubility | 7 g/L (25℃) |
| Hazard Symbols |  Xi:Irritant; |
| Risk Codes | R36/37/38:; |
| Safety | S26:; S37/39:; |
88-99-3 phthalic acid
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