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

1-(2-Pyridyl)piperazine

Molecular Structure:
MDL:
MFCD00006216
Molecular Formula:
C9H13N3
Molecular Weight:
163.22
Alias:
1-(2-吡啶基)哌嗪 2-Piperazinopyridine 2-(1-Piperazinyl)pyridine
Product order:
Name Specifications Packing Price Delivery
1-(2-Pyridyl)piperazine 97% 5g RMB 220 Consulting service
1-(2-Pyridyl)piperazine 97% 25g RMB 759 Consulting service
1-(2-Pyridyl)piperazine 97% 100g RMB 3036 Consulting service
Character:
溶解度: >500 g/l水 (20 C) ;>50 g/100ml 甲醇;50 g/100ml 乙醇 (20 C) ;>50 g/100ml 異丙醇; 50 g/100ml 丙酮(20 C); >50 g/100ml N,N-二甲基亞砜 (20 C); >50 g/100ml 二氯甲烷。
密度: 1.072  
沸點(diǎn): 120-122 °C/2 mmHg  
閃點(diǎn):>110°C
折光率n20/D: 1.594  
Quality Standard:
外觀Appearance                          白色或無色結(jié)晶
紅外光譜鑒別Infrared spectrometry       和對(duì)照品匹配
純度Purity                              ≥97.0% (GC)
折光率Refractive index n20/D            1.5930 - 1.5960
相對(duì)密度Specific gravity (20/20°C)     1.1180 - 1.1220  
上海紫一試劑廠   ? 2025 All Rights Reserved      備案號(hào):滬ICP備19037119號(hào)-1     
網(wǎng)站地圖:
試劑CAS試劑分類試劑產(chǎn)品實(shí)驗(yàn)儀器耗材分類實(shí)驗(yàn)儀器耗材新聞資訊
   滬公網(wǎng)安備 31012002003055號(hào)