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

Methane Base

Cas:
101-61-1
Molecular Structure:
MDL:
MFCD00008317
Molecular Formula:
C17H22N2; CH2[C6H4N(CH3)2]2
Molecular Weight:
254.37
Alias:
4,4'-雙二甲氨基代二苯甲烷,4,4'-甲撐雙(二甲苯胺),甲烷貝司 N,N,N′,N′-Tetramethyl-4,4′-methylenedianiline N,N,N′,N'-Tetramethyl-4,4'-diaminodiphenylmethane Arnolds base 4,4'-Tetramethyldiaminodiphenyl methane Bis[4-(dimethylamino)phenyl]methane 4,4'-Methylenebis(N,N-dimethylaniline) Methane Base Tetra Base
Product order:
Name Specifications Packing Price Delivery
Methane Base CP 100g RMB 97.9 Consulting service
Methane Base GR 25g RMB 212.3 Consulting service
Methane Base GR 100g RMB 347.6 促銷
Methane Base GR 250g RMB 685.3 促銷
Methane Base CP 500g RMB 343.2 促銷
Character:
白色或淡藍(lán)白色片狀結(jié)晶。能升華而不分解。易溶于熱醇,能溶于醚、苯、二硫化碳及酸類,不溶于水。
熔點(diǎn):  91 °C  
沸點(diǎn):  390 °C  
閃點(diǎn):  178 °C  
Quality Standard:
項(xiàng)目Item                                   化學(xué)純    
                                            (CP)    
熔點(diǎn)范圍Melting range,℃                      90-91  
對氧化劑靈敏度試驗(yàn)Sensitivity to oxidant      合格      
醇中溶解度試驗(yàn)Solubitity in alcohol           合格      
灼燒殘?jiān)ㄒ粤蛩猁}計(jì))Ignition residue,%      ≤ 0.05  

項(xiàng)目                                         優(yōu)級純  
                                              (GR)
外觀Appearance                               藍(lán)灰色結(jié)晶或粉末
紅外光譜鑒別Infrared spectrometry            和對照品匹配
純度Purity                                   ≥99.0% (GC)
熔點(diǎn)Melting point                            87°C - 91°C
乙醇溶解試驗(yàn)solubility in ethanol            合格

Storage:
密封保存。
其鹽酸鹽作鉛試劑,染料中間體,與氧化劑作用時(shí)形成深藍(lán)色氧化物檢驗(yàn)鉛、臭氧及其他氧化劑,沉淀鎢。
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(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