少妇被猛男粗大的猛进出,亚洲 欧美 动漫 少妇 自拍,日韩免费视频,青春草在线视频免费观看

訂購電話:4001650900

Sulfur trioxide pyridine complex

Molecular Structure:
MDL:
--MFCD00012437
Molecular Formula:
C5H5NO3S
Molecular Weight:
159.16
Alias:
三氧化硫吡啶; 吡啶三氧化硫 Pyridine sulfur trioxide complex Pyridine - Sulfur Trioxide Complex Sulfur Trioxide - Pyridine Complex Pyridine sulfur trioxide
Product order:
Name Specifications Packing Price Delivery
Sulfur trioxide pyridine complex 98% 500g RMB 2255 Consulting service
Sulfur trioxide pyridine complex 98% 100g RMB 528 Consulting service
Sulfur trioxide pyridine complex 98% 25g RMB 198 Consulting service
Character:
有刺激味固體,對濕氣敏感。和水反應,溶于濃H2SO4, HCl 和 HClO4,溶于二甲基亞砜(DMF)
熔點:160℃
Quality Standard:
   
   外觀Appearance                          白色至淺灰色粉末
紅外光譜鑒別Infrared spectrometry       符合  
純度Purity                              ≥98.0% (氧化硫吡啶)
活性三氧化硫 (ACTIVE SO3)             48.8 - 50.3 %
Storage:
密封保存
用途  糖酐酯鈉的中間體。
Related Products
上海紫一試劑廠   ? 2025 All Rights Reserved      備案號:滬ICP備19037119號-1     
網站地圖:
試劑CAS試劑分類試劑產品實驗儀器耗材分類實驗儀器耗材新聞資訊
   滬公網安備 31012002003055號