日本在线观看,亚洲成av人无码综合在线观看,高潮毛片无遮挡高清免费视频,国产手机在线αⅴ片无码观看

訂購電話:4001650900

1,7-Diaminoheptane

Cas:
646-19-5
Molecular Structure:
MDL:
MFCD00008246
Molecular Formula:
C7H18N2;NH2(CH2)7NH2
Molecular Weight:
130.23
Alias:
1,7-Heptanediamine Heptamethylenediamine
Product order:
Name Specifications Packing Price Delivery
1,7-Diaminoheptane 98% 5g RMB 429 Consulting service
1,7-Diaminoheptane 98% 25g RMB 1611.5 Consulting service
Character:
沸點:223-225℃
熔點:27℃
閃點: 87 °C  
Quality Standard:
外觀Appearance                          白色至淺黃色結晶
紅外光譜鑒定Infrared spectrometry       和對照品匹配
熔點Melting point                       26°C - 30°C
純度Purity                              ≥98.0% (GC)
純度Purity                              ≥98.0% (中和滴定)
水分Water                               <2 % (K.F.) 
Related Products
上海紫一試劑廠   ? 2025 All Rights Reserved      備案號:滬ICP備19037119號-1     
網(wǎng)站地圖:
試劑CAS試劑分類試劑產(chǎn)品實驗儀器耗材分類實驗儀器耗材新聞資訊
   滬公網(wǎng)安備 31012002003055號