九九热6,亚洲天堂av片,99视频观看,日本成本人片免费观看,99视频在线观看视频,成人天堂av,久久6这里只有精品

[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