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(gòu)電話:4001650900

2-Butene-1,4-diol(cis+trans)

Cas:
110-64-5
Molecular Structure:
MDL:
MFCD00063207
Molecular Formula:
C4H8O2;HOCH2CH=CHCH2OH
Molecular Weight:
88.11
Alias:
1,4-二羥基-2-丁烯 1,4-Dihydroxy-2-butene
Product order:
Name Specifications Packing Price Delivery
2-Butene-1,4-diol(cis+trans) 97% 500g RMB 770 Consulting service
2-Butene-1,4-diol(cis+trans) 97% 100g RMB 236.5 Consulting service
2-Butene-1,4-diol(cis+trans) 97% 25g RMB 167.2 Consulting service
Character:
折光率n20/D: 1.478
沸點(diǎn)131.5 °C/12 mmHg
熔點(diǎn) 7 °C
密度:1.07 
Quality Standard:
外觀Appearance                          無(wú)色透明溶液
紅外光譜鑒別Infrared spectrometry       符合
純度Purity  (異構(gòu)體總量)                ≥97.0% (GC)
比重Specific gravity (20/20°C)         1.0710 - 1.0730  
折光率Refractive index n20/D            1.4770 - 1.4790  
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(lèi)試劑產(chǎn)品實(shí)驗(yàn)儀器耗材分類(lèi)實(shí)驗(yàn)儀器耗材新聞資訊
   滬公網(wǎng)安備 31012002003055號(hào)