| Special property | High-class | First-class | Qualification | | Appearance | White slice or cystalline powder | White slice or cystalline powder(having other colorsfaintly) | | Chromaticity(melting) | ≤20 | ≤50 | ≤100 | | | Heating stable chromaticity | ≤50 | ≤150 |
| | Crystallize point(℃) | ≥130.5 | ≥130.3 | ≥130.0 | | Purity(%) | ≥99.5 | ≥99.5 | ≥99 | | Free acid Content(%) | ≤0.5 | ≤0.5 | ≤0.5 | | Ash Content(%) | ≤0.05 |
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| 产品名称:邻苯二甲酸酐 英文名称:PHTHALC ANHYDRIDE 缩写:PA 别名:苯酐 分子式:C8H4O3 包装:25kg/编织袋 CAS号码: 85-44-9 海关编码(HS): 2917.3500 联合国编码(UN): 2214 危险品种类(HZ): 第8.1类酸性腐蚀品 包装类别:053
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