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Phthalic anhydride is a versatile intermediate in organic chemistry, primarily used in the production of general purpose plasticizers, unsaturated polyesters (UPRs), alkyd resins and polyols (APPs).
Specifications | Unit | Value | Test Methods |
| Colour | APHA | ≤ 2 | ASTMD3366-95 |
| Colour after heating | APHA | ≤ 40 | (90min at 250°C) - ASTMD3366-95 |
| Solidification point | 63.5-66 | ≥ 130.8 | WI-bepalen stolpuntPAN |
| Purity | % wt/wt | ≥ 99.8 | WI-Bepalen zuiverheidPAN (GC) |
| Benzoic acid content | % wt/wt | ≤ 0.05 | WI-Bepalen zuiverheidPAN (GC) |
| Phhtalic acid content | % wt/wt | ≤ 0.1 | WI-Vrije zuurtegraadPAN |
Application
Phthalic anhydride is a versatile intermediate in organic chemistry, primarily used in the production of general purpose plasticizers, unsaturated polyesters (UPRs), alkyd resins and polyols (APPs).
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