Purified Terephthalic Acid (PTA) is a kind of aromatic Dicarboxylic acid.
| Chemical Formula: |
C6H4 - 1,4- (COOH)2 |
| Structural Formula: |
 |
| Molecular weight: |
166.13 |
| |
|
Guarantee specification
| Item |
Unit |
Specification |
| Appearance |
- |
White Powder |
| Acid Value |
mg KOH/g |
675 ± 2 |
| Volatile Matter |
wt % |
<0.05 |
| Ash |
ppm |
<5 |
| Iron |
ppm |
<0.5 |
| 4-CBA |
ppm |
<25 |
| Alkaline Transparency (T-400) |
% |
>97 |
| Total Heavy Metal |
ppm |
<10 |
|