国产一二三区四区2021天鹅_成人免费a级毛片无码片2024_五月丁香婷婷在线观看视频_日本中文免费观看视频_亚洲精品无码视频发布_欧美日韩国产免费观看大片_欧美成人精品午夜免费蜜臀_中文字幕二区三区搜查官_视频二区国产情侣_日韩精品中文字幕网


Pralidoxime Iodid


CAS#:94-63-3
【Product name】 Pralidoxime Iodid
【Chemical composition】 This product is 1-methyl-2-pyridinecarbaldehyde oxime iodide.
【Other names】 Pyraloximelodide, Pyridine a-Aldoxime Methiodide, PAM
【Property】 This product is yellow granular crystal Or crystalline powder; odorless. Bitter taste; easy to deteriorate when exposed to light. This product is soluble in water or hot ethanol, slightly soluble in ethanol, and insoluble in ether. Melting point The melting point of this product (Appendix VI C) is 220-227℃, and it decomposes at the same time when it is melted. Absorption Coefficient Operates in the dark. Take this product, accurately weigh it, add hydrochloric acid solution (9→1000) to dissolve and quantitatively dilute it to make a solution containing about 10μg per 1ml. Within 1 hour, according to UV-Vis spectrophotometry (Appendix IV A), measure the absorbance at the wavelength of 294nm, the absorption coefficient (E 1%/1cm) is 464-494.





  Previous product: Pvraloximi Chloridum
  Next product: Dibazolum