名称 | 苯酐 | 产品等级 | 一级品 |
含量≥ | 99.5(%) | 执行质量标准 | GB/T15336-94 |
包装规格 | 25kg | CAS | 85-44-9 |
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 |
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