应用:用于有机合成中间体,化妆品原料。
同义词:[4-CYANOISOXAZOLE, 4-Cyano-isoxazol, ISOXAZOLE-4-CARBONITRILE, 4-Isoxazolecarbonitrile];
检验项目
Inspection items
质量标准
Quality Standard
检验结果
Test Results
外观(目测)
Description (Visual)
白色至类白色粉末,几乎无味
White to Off-white Powder, Practically odorless
类白色粉末,几乎无味
Off-white Powder, Practically odorless
纯度(TLC,薄层色谱法)
Purity (Thin Layer Chromatography method), min
≥ 98%
≥ 99%
吡哆醇三棕榈酸酯含量(TLC)
Pyridoxine tripalmitate content (TLC), max
≤ 1.0%
≤ 0.5%
吡哆醇盐酸盐含量(TLC)
Pyridoxine hydrochloride content (TLC), max
熔点(数字熔点仪)
Melting Point (Digital melting point apparatus)
87~90℃
87.4~88.1℃
水分(干燥失重法)
Water Content (Loss on drying method), max
0.23%
溶解度(2% (w/w) 90℃玉米油)
Solubility (2% (w/v) maize oil at 90℃)
澄清透明,无异物
Clear, no foreign matters
合格
Passes test
灰分(灼烧残渣法)
Ash content (Residue after ignition method), max
≤ 0.1%
重金属含量(电感耦合等离子体发射光谱)
Heavy metals content (ICP-OES), max
≤ 10 ppm
鉴定(核磁共振氢谱法)
Identify (1H-NMR)
符合结构
Conforms to Structure
测试通过
Test passed
结论
Conclusion
up to Standard
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