免费国产裸体美女视频全黄-亚欧洲精品在线视频免费观看-欧美大成色www永久网站婷-国产偷国产偷亚洲清高动态图-国产乱妇乱子在线播视频播放网站-综合自拍亚洲综合图区高清

[Alias]:

2-methyl-3-oxo-butanoicaciethylester

[Product name]:

Ethyl 2-methylacetoacetate

[Structural formula]:

[Molecular formula]:

C₇H₁₂O₃

[Molecular weight]:

144.17

[CAS NO]:

609-14-3

[Packing]:

25kg Fluorinated barrel

Physicochemical data

Appearance

Colorless transparent liquid

Boiling range °C/mmHg

187

Flash point ºF

145

Density 25°C

1.019

Refractive index n20/D

1.418

Quality standard

Purity %HPLC

≥98.0

Moisture%

≤0.5