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

Docosane

Cas:
629-97-0
Molecular Structure:
MDL:
MFCD00009348
Molecular Formula:
C22H46; CH3(CH2)20CH3
Molecular Weight:
310.61
Alias:
正二十二烷 n-Docosane
Product order:
Name Specifications Packing Price Delivery
Docosane 分析標(biāo)準(zhǔn)品,≥99.5% (GC) 1g RMB 427.9 Consulting service
Docosane GCS,≥99.0% (GC) 5g RMB 171.6 Consulting service
Docosane GR,99% 25g RMB 360.8 Consulting service
Docosane GR,99% 100g RMB 1083.5 Consulting service
Docosane AR,96% 25ml RMB 181.5 Consulting service
Docosane AR,96% 100ml RMB 467.5 Consulting service
Character:
無色結(jié)晶。易溶于乙醚,溶于熱乙醇和氯仿,不溶于水。有刺激性。
熔點(diǎn):44.4℃
沸點(diǎn):368.6℃
折光率:1.4455
閃點(diǎn):>110℃
密度:0.7944 
Quality Standard:
項(xiàng)目                                    優(yōu)級(jí)純  
                                        (GR)
外觀Appearance                          白色結(jié)晶粉末
紅外光譜鑒別Infrared spectrometry       符合
純度Purity                              ≥99.0% (GC)
熔點(diǎn)Melting point                       43°C - 46°C
甲苯溶解試驗(yàn)Solubility in Toluene       溶液透明
帶支鏈二十二烷branched docosanes:       < 0.2%
碳鏈(< C-22)carbon chains < C-22:       < 0.8%
碳鏈(> C-22)carbon chains > C-22:       < 0.2%


項(xiàng)目                                    分析純  
                                        (AR)
外觀Appearance                          白色結(jié)晶粉末
紅外光譜鑒別Infrared spectrometry       符合
純度Purity                              ≥96.0% (GC)
熔點(diǎn)Melting point                       41°C - 45°C
甲苯溶解試驗(yàn)Solubility in Toluene       溶液透明

Storage:
密封陰涼保存。
用途  氣相色譜分析標(biāo)準(zhǔn)。有機(jī)合成,標(biāo)定以及溫度敏感設(shè)備
Related Products
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)