久久香蕉网,国产一久久香蕉国产线看观看,美女一丝不佳一级毛片香蕉,欧美久久天天综合香蕉伊-久久综合国产精品悠悠_色婷婷我也去俺也去_国产在线观看欧美_国产精品人成电影在线观看

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.