Phthalic Anhydride (PA)
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Resin & Coating Raw Materials
85-44-9
In compound paper bags or plastics woven bags with PE bags inside (net weight: 25 kg)
18MT/20’FCL with pallets, 20MT/20’FCL without pallet 27MT/40’FCL with or without pallet
In jumbo bag
| CAS No. | 85-44-9 |
|
Appearance |
White scale |
|
Item
|
Superior quality
|
First-class
|
Testing Result
|
|
Appearance
|
White scale or crystalline powder
|
White scale
|
|
|
Melting Chroma/(Co No)
|
20 Max.
|
50 Max.
|
15
|
|
Thermally stable chroma /(Co
No) |
50 Max.
|
150 Max.
|
40
|
|
Purity(%)
|
99.5 Min.
|
99.5 Min.
|
99.97
|
|
Free acid mass fraction/%
|
0.20 Max.
|
0.30 Max.
|
0.03
|
|
Crystallizing Point(℃)
|
130.5 Min.
|
130.3 Min.
|
130.5
|
|
Sulfuric acid color /(Co No)
|
40 Max.
|
100 Max.
|
40
|
- A white crystalline solid with a pungent odor, chemical formula C8H4O3.
- Essential precursor for phthalate esters, used in manufacturing PVC, vinyl flooring, cables, and synthetic leather.
- Reacts with alcohols to form phthalate esters, enhancing flexibility and durability of PVC materials.
- Key component in polyester resin production by reacting with glycols, crucial for fiberglass-reinforced plastics, paints, coatings, and automotive parts.
- High reactivity and versatility make it valuable in the chemical industry for various industrial products.
- Volatility and sensitivity to moisture require careful handling and storage measures to prevent degradation.
- Used in the synthesis of dyes, pigments, and flame retardants.
- Plays a pivotal role in the creation of flexible materials and high-performance industrial products.
- Its distinctive properties contribute to its wide-ranging applications across multiple industries.
- Phthalic anhydride stands as a cornerstone in modern manufacturing and material science, supporting the production of everyday consumer goods and industrial materials.
