Phthalic Anhydride (OX/NA)
Product: Phthalic Anhydride
Chemical Name: 1,3-Dihydro-2-benzofuran-1,3-dione.
Formula: С8H4O3.
CAS-Number: 85-44-9
EINECS-Number: 201-607-5
Production method: Phthalic Anhydride is manufactured from ortho-xylene by air catalic oxidation in gas phase with vanadium-titanium catalyst.
| # | PARAMETER | VALUE |
| 1. | Phthalic Anhydride content (purity), %, min | 99,9 |
| 2. | Phthalic Acid content, % | absent |
| 3. | Maleic Anhydride content, %, max | 0,05 |
| 4. | Ash content, %, max | 0,002 |
| 5. | Iron content, %, max | 0,0002 |
| 6. | Crystallization point, °С, min | 130,9 |
| 7. | Melted product’s colour after heating at 250 °С during 90 minutes, Hazen units, max
– At output – During guarantee period for flakes & powder |
40 60 |
| 8. | Melted product’s colour, Hasen units, max
– At output – During guarantee period for flakes & powder |
15 20 |
| 9. | Appearance | White flakes & powder or melt |
Applications: Alkyd Resins; Plasticizers (DINP, DOP, DBP, etc); Polyester Resins; Tires and technical rubber products; Dyestuffs
Packing: 25 kg bags & jumbo bags, shipped by containers
The above quality parameters and values as for reference only. Please contact us for the most recent technical Data Sheet (TDS) related to this product.