Phthalic Anhydride(PA) CAS 85-44-9
Product: Phthalic Anhydride (ox base)
CAS NO.:85-44-9
Test Method: GB/T15336-2013
Bach code: 230302-4
CAS NO.:85-44-9
Test Method: GB/T15336-2013
Bach code: 230302-4
The product is produced by o-xylene oxidation. It is a white crystalline solid at room temperature. It will be turned into acid by water.
A raw material for plasticizers, unsaturated polyester resins (UPR), alkyd resins and dyes and pigments. It is widely used in products such as solvents for paint, insect repellents, pharmaceutical chemistry, hardeners.
Items | Specifications | Test result |
Appearance | White flake or Crystalline powder |
White flake or Crystalline powder |
Melting color(Pt/Co) ≤ | 20 APHA Max. | 20# |
Heating color(Pt/Co) ≤ | 50 APHA Max. | 40# |
Sulphuric acid colour index (Pt/Co)≤ | 40 APHA Max. | 10# |
Solidification point ≥ | 130.5 Degree C Min. | 130.9℃ |
Purity≥ | 99.50% Min. | 99.96% |
Free acid≤ | 0.20% | 0.06% |
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