|
(1) Phthalic Anhydride
The Specification of Phthalic Anhydride as follows:
PA is white crystal flakes at room temperature and transformed
to colorless liquid at heating
| ITEM |
UNIT |
VALUE(Flakes) |
| Molten Color |
APHA |
MAX 20 |
| Heat Stability |
APHA |
MAX 40 |
| Purity |
WT% |
MIN 99.85 |
| Solidification Point |
º C |
MIN 130.9 |
| |
|
|
(2) Maleic Anhydride
The Specification of Maleic Anhydride as follows:
| Specifications |
UNIT |
VALUE |
| Appearance |
|
white pastille |
| Purity(by MAN) |
WT% |
99.5 min |
| Molten Color |
APHA |
20max |
| Solidifying Point |
º C |
52.4min |
| Ash |
PPM |
20max |
| Iron |
PPM |
5max |
|
