Phthalic anhydride are widely used as a scale&corrosion inhibitor, chelating(sequestrating), deflocculating agent in cooling and boiler water treatment, textile dying, detergents etc.
Shandong River Chemical Co.,ltd is one of the leading Phthalic Anhydride(PA, CAS 85-44-9)suppliers and manufacturers in China, welcome to
buy bulk Phthalic Anhydride from our factory.
Phthalic anhydride
CAS No.: 85-44-9
Molecular Formula: C8H4O3
Molecular weight: 148.12
| Item | Top grade | First grade |
| Appearance | white scaly or crystalline powder | |
| Fused chroma(Chroma No.) ≤ | 20 | 50 |
| Chroma of Thermal stability(Chroma No.) ≤ | 50 | 150 |
| Chroma of sulphuric acid (Chroma No.) ≤ | 60 | 100 |
| Crystallization point °C ≥ | 130.5 | 130.0 |
| Purity (Mass fraction) % ≥ | 99.5 | 99.0 |
| Free acid (Mass fraction) % ≤ | 0.20 | 0.30 |
| Ash (Mass fraction) % ≤ | 0.05 | - |
Packaging:
25KG/BAG,20MT/20'FCL(without pallet);
25KG/BAG,14MT/20'FCL(with pallet);
25KG/BAG,26MT/40'FCL(with or withour pallet);
500KG/BAG,15MT/20'FCL(with or withour pallet);
500KGG/BAG,26MT/40'FCL(with or withour pallet).
All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. If you are interested in our Perchloroethylene , please feel free to contact us.



If you are looking for a Phthalic anhydride supplier in China, you are on the right site. Chem Cubic is located in Dongying, Shandong, China which is a professional company for all kinds of Phthalic anhydride. We can provide you kinds of packaging solutions.
Chem Cubic , the name that you can trust. As a vital professional Chemical Phthalic anhydride manufacturer in China, we warmly welcome your visit to our factory and talk business face to face! We are at your disposal all the time.