Commodity name:Phthalic anhydride
CAS No.:85-44-9
Chemical Formula:C8H4O3
Appearance:White flakes or powder
Specification:
|
Item |
Result |
|
Molten color (color number) ≤ |
20 |
|
Solidification point ≥ |
130.5
PPPOWDER
Measure up |
|
Heat-stability (color number) ≤ |
50 |
|
Purity ﹪ ≥ |
99.5 |
|
Free acid ﹪ ≤ |
0.5 |
|
Ash ﹪ ≤ |
0.05 |