PRODUCT QUALITY CHARACTERISTICS
PHTHALIC ANHYDRIDE – DISTILLATION RESIDUE is produced in compliance with SPEC 20.14.34-003-48426412-2016, and has the following quality parameters:
|
Parameter Description |
Specified Value |
|
1. Appearance |
Dark-brown to black scales and powder, white fibrous inclu-sions, melt, pieces of fusion may be present |
|
2. Acid compounds, in terms of phthalic anhydride, wt %, within |
85 to 95 |