Phthalic Anhydride
CAS No. 85-44-9
Phthalic Anhydride is an Important aromatic di-carboxylic acid anhydride, which is widely used in the manufacture of Alkyd Resins for Paints, Inks, and Coatings, Unsaturated Polyester Resins, Plasticizers and Pigments
Packing: 25 Kg Bag
Specification of Phthalic Anhydride:
| Analytical Item | Unit | Specification |
| Appearance | – | White Flakes |
| Purity (Gas Chromatography) | Wt.% | Min. 99.8 |
| Maleic Anhydride (GC) | Wt.% | Max. 0.05 |
| Solidification Point | ̊C | Min. 130.8 |
| Melt Color | APHA | Max. 20 |
| Heat Stability | APHA | Max.50 |
| Free Acidity (as Phthalic acid) | Wt.% | Max. 0.1 |
| Ash | PPM | Max. 50 |
| Iron | PPM | Max. 3 |
| Naphthaquinone | PPM | Max. 5 |
| Naphthalene | PPM | Max. 20 |
