PHTHALIC ANHYDRIDE
PHTHALIC ANHYDRIDE
| Article No. | 538708 |
| Grade | ACS |
| Purity | 99% |
| CAS No. | 85-44-9 |
| Molecular Formula | C₈H₄O₃ |
| Molecular Weight | 148.12 |
| H.S. Code | 2917.3500 |
| Shelf Life | 60 Months |
Physical properties
| Physical State at 20 °C | Solid |
| Colour | White crystalline |
| Odour | Characteristic choking odor |
| pH Value | 2 at 6 g/l at 20 °C |
| Melting Point/Freezing Point [°C] | 131 – 134 °C |
| Auto-ignition Temperature [°C] | 570 °C |
| Flash Point [°C] | 152 °C |
| Boiling Point [°C] | 284 °C |
| Vapour Pressure [20°C] | < 0.01 hPa at 20 °C |
| Vapour Density | 6.6 |
| Density [g/cm³] | 1.53 |
Specifications
| Appearance | White or almost white flakes |
| Solubility | Soluble in water (20°C) 6g/l |
| Melting Point [°C] | 130-132 °C |
| Assay [%] | ≥ 99.0% |
| Packings | 500 gm |
