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

2,6-Dimethyl-γ-pyrone

Molecular Structure:
MDL:
MFCD00006579
Molecular Formula:
C7H8O2
Molecular Weight:
124.14
Alias:
2,6-二甲基-4H-吡喃-4-酮 2,6-Dimethyl-4H-pyran-4-one
Product order:
Name Specifications Packing Price Delivery
2,6-Dimethyl-γ-pyrone 99% 5g RMB 385 Consulting service
2,6-Dimethyl-γ-pyrone 99% 25g RMB 1031.8 Consulting service
2,6-Dimethyl-γ-pyrone 99% 100g RMB 4125 Consulting service
Character:
熔點:134 °C
沸點:248-250 °C
Quality Standard:
外觀Appearance                          白色至米黃色粉末或結(jié)晶
紅外光譜鑒別Infrared spectrometry       符合
純度Purity                              ≥99.0% (GC)
熔點Melting point                       132°C - 137°C
乙醇溶解試驗solubility in ethanol       合格
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