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

Ethyl Levulinate

Cas:
539-88-8
Molecular Structure:
MDL:
MFCD00009209
Molecular Formula:
C7H12O3; CH3COCH2CH2COOC2H5
Molecular Weight:
144.17
Alias:
戊酮酸乙酯,4-酮基戊酸乙酯,β-乙酰丙酸乙酯,4-氧代戊酸乙酯 3-Acetylpropionic Acid Ethyl Ester 4-Ketovaleric Acid Ethyl Ester 4-Oxovaleric Acid Ethyl Ester Levulinic Acid Ethyl Ester Ethyl 4-ketovalerate Ethyl 3-acetylpropionate Ethyl 4-oxopentanoate
Product order:
Name Specifications Packing Price Delivery
Ethyl Levulinate 99% 100ml RMB 209 Consulting service
Ethyl Levulinate 99% 500ml RMB 869 Consulting service
Character:
無色透明液體。水中溶解度:40 g/L(20°C)。和醇混溶。
密度:1.016
沸點(diǎn):93-94°C/18 mmHg
折射率n20/D:1.422
閃點(diǎn):94°C
Quality Standard:
外觀Appearance                          無色至淡微黃色液體
紅外光譜鑒別Infrared spectrometry       符合
純度Purity                              ≥99.0% (GC)
相對密度Specific gravity (25/25°C)     1.006-1.014
折光率Refractive index n20/D            1.418-1.425
酸值A(chǔ)cid value(mg KOH/g)                ≤1.0 
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