Phthalic Anhydride
Product Name: Phthalic Anhydride
Molecular Weight: 148.12
Quality Standard: GB/T15336-94
Item |
Index |
First Quality |
Appearance |
white squama or crystalline pwoder |
Molten Color , ≤ |
50 |
Thermal Stiability Color, ≤ |
150 |
Crystallisation Point, °C ≥ |
130.5 |
Purity, % ≥ |
99.5 |
Free Acid , % ≤ |
0.5 |
Ash, % ≤ |
0.05 |
|
