Product Name: Purified Terephthalic Acid(PTA)
Chemical Formula: C8H6O4
Appearance: White crystalline powder
CAS No: 100-21-0
Specification of Purified Terephthalic Acid:
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Items
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Index
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Result
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Purity % ≥
|
99
|
99.5
|
|
Acid (mg of KOH/g)
|
675 ± 2
|
676
|
|
Moisture (wt %) ≤
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0.2
|
0.1
|
|
4 Carboxybenzaldehyde (ppm)
|
20
|
15
|
|
Iron (ppm) ≤
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0.5
|
0.3
|
|
Para Toluic Acid (ppm) ≤
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120
|
110
|
|
Total metals Fe, Mn, Co, Cr, Ni, Mo, Ti (ppm) ≤
|
2
|
1.6
|
|
Δ Y ≤
|
10
|
8
|
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b-Color ≤
|
1.5
|
1.2
|
|
PH (1%) dilution
|
2.16
|
|
|
Density (g/cm3)
|
1.55
|
|
Uses: PTA is mainly used in the production of polyester products, including polyethylene terphthalate (PET), follows reaction with glycol, reagent for alkali in wool and an additive to poultry feeds.
Package:50kg/bag, 1000kg/bag or as customer required, 20mts in the 20FCL