17888国产精品视频,国产成年人在线观看,国产福利一二三四区,黄片在线免费观看精品巨,地址一二国产视频湿漉漉,超国产线碰视频在线观看,亚洲国产视频手机版下载,国产情侣在线播放第一页,女人祼体艺术图片,亚洲v国产欧美v在线

Jinan Zhonglan Chemical Co., Ltd. ENGLISHCHINESE      

Trifluoroacetic acid



molecular formula:CF3COOH
molecular weight:114.03
Materialization properties:
Colorless and clear liquid, easily moisture absorption. specific gravity(water=1)1.54,atmosphere(=1)3.9,melting point-15.2℃,boiling point71.8℃, it’s easily soluble in alcohol ,water, diethyl ether, acetone, benzene and is poisonous and corrosive.
Application:
TFA is strong organic acid,can dissolve many inorganic substance and organic matter and so be provided with excellent reactivity worth ,which is extensively used in medicine, pesticide, dyestuff, amino acid safeguard, organic synthesis, materials processing.
Storage:
Seal and moisture proof.
Package:
50kgs or 250kgs within steel container or plastic container of corrosion resisting lining.
Properties of products:

item
index
 
high-class 
first grade
second grade
qualified
apperance
colorless and clear liquid
TFA %   ≥
99.9
99.5
99.0
99.0
HCL %   ≤
0.01
0.05
0.10
0.30
H2SO4 % ≤
0.01
0.05
0.10
0.30
HF %    ≤
0.001
0.005
0.01
0.10




  Previous product:   None
  Next product: Trifluoroacetic anhydride

? ?