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Phthalic Anhydride
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|
Alias | 2,5-Isobenzofurandione; Phthalic anhydride 99+ %; 2-benzofuran-1,3-dione; 2,2'-(oxydicarbonyl)dibenz |
| Molecular Formula | C8H4O3 | |
| Cas No | 85-44-9 | |
| Packing | 25kg/bag | |
| Transport Code For Dangerous Goods | - | |
| H.S.Code No | 2917.3500 | |
| Inquiry | Inquiry |
|
Properties |
Unit |
Specification |
|
Appearance |
- |
White Flakes Or |
|
Molten Color |
(Pt-Co) |
≤20 |
|
Heat Color |
(Pt-Co) |
≤50 |
|
Sulphuric Acid Color |
(Pt-Co) |
≤60 |
|
Purity |
% |
≥99.5 |
|
Crystallization Point |
℃ |
≥130.5 |
|
Free Acid |
% |
≤0.2 |
|
Ash |
% |
≤0.05 |
Appearance & Physical State: white crystalline solid with choking odour
Density: 1.53
Melting Point: 129-132ºC
Boiling Point: 284ºC
Flash Point: 152ºC
Refractive Index: 1.646
Water Solubility: 6 g/L (20 ºC)
Stability: Stable. Combustible. Incompatible with strong oxidizing agents, strong bases, moisture, strong acids. Dust may form an explosive mixture with air.
Storage Condition: Store at RT.
Vapor Pressure: <0.01 mm Hg ( 20 °C)
Vapor Density: 5.1 (vs air)
Phthalic anhydride is an important organic chemical raw materials, mainly for the production of plasticizers, alkyd resins, dyes, unsaturated resins and certain pharmaceuticals and pesticides. Currently widely used in chemical, pharmaceutical, electronics, agriculture, coatings, fine chemicals and other industrial sectors