中文字幕亚洲另类天堂,国产亚洲精品视频在緌看,手机看片在线永久国产,三级片国产免费观看网站,久久久久久综合久久,国产区精品一区二区,无码成人精品专区亚洲,日本黄色视频在线网站,带着小怪兽上班喷了,国产一区 国产精品

Methyl 3-oxovalerate(Methyl 3-oxo pentanoate)

Product category Etodic acid series
CAS No. 30414-53-0
Details

Alias: Methyl 3-oxovalerate(Methyl 3-oxo pentanoate)
CAS No.: 30414-53-0
Molecular weight: 130.2
Molecular formula: CH3CH2COCH2COOCH3
Quality standard:
Enterprise standard

Item
Top grade
Identification
IR is consistent with the map
Appearance
colorless clear liquid
Refractive index
1.420-1.425
PH
4.3-5.6
Methyl acetoacetate
≤0.2%
Other single impurity
≤0.2%
Total impurity
≤1.0%
Content
≥99.0%
ethyl 3-oxovalerate
≤0.20%
Specific gravity
1.035-1.045
Moisture
≤0.20%


Packaging: 200kg/ barrel
Storage: Cool and sealed.