CAS No.: | 100-21-0 |
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Formula: | C8h6o4 |
EINECS: | 202-830-0 |
Classification: | Carboxylic Acid |
Appearance: | Powder |
Grade Standard: | Reagent Grade |
Samples: |
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Acidity (Mg of KOH/gm)
|
675 ± 2
|
Purity
|
99%
|
Moisture (wt %)
|
0.2 max
|
Ashes (ppm)
|
7 max
|
4 Carboxybenzaldehyde (ppm)
|
20 max
|
Color (APHA)
|
10 max
|
Iron (ppm)
|
0.5 max
|
Para Toluic Acid (ppm)
|
120 max
|
Total metals Fe, Mn, Co, Cr, Ni, Mo, Ti (ppm)
|
2 max
|
Δ Y
|
10 max
|
b-Color
|
1.5 max
|
PTA is mostly used in the production of polyethylene terephthalate (polyester). It is an important raw material for polyester fibers, films, plastic products, insulating paints and plasticizers. It is also used in dyes and other products' production.
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