色综合久久88色综合天天丨亚洲已满18点击进入在线看片丨99国产精品久久久久久久日本竹丨国产乱人伦精品免费丨成 人影片 aⅴ毛片免费观看

N,N'-dicyclohexylcarbodiimide


Rational Formula:
a) Mole. Form:C13H22N2
b) Structural Formula:

c) Relative Molecular Mass:206.33

Property & State:
It is white or light yellow crystal or transparent liquid with melting point: 32-36,boiling point: 154-156(1,47kPa);It dissolves in benzene, alcohol, ethyl ether, but not in water.

Index of Quality(Q/ZTH001-2008)

Name of Index
Index of Quality
High Grade
Grade I
Qualified
Appearance
White to light yellow crystal or transparent liquid White to light yellow crystal or transparent liquid White to light yellow crystal or transparent liquid
Content,%,≥
99.5
99.0
98.5
melting point(℃)
32-36
32-36
32-36
Acetone Insoluble Matter
None
None
None

Use:
This product is mainly used in amikacin, glutathione dehydrants, as well as in synthesis of acid anhydride, aldehyde, ketone, isocyanate; when it is used as dehydrating condensing agent, it reacts to dicyclohexylurea through short-time reaction under normal temperature.
This product can also be used in synthesis of peptide and nucleic acid. It is easy to use this product to react with compound of free carboxy and amino-group into peptide.
This product is widely used in medical, health, make-up and biological products, and other synthetic fields.

Packing:
It is packed in 25L or 220L plastic buckets with net content 20kg/bucket or 180kg/bucket or other specifications of packing on customers' request.

Notes for use :
It is irritant. When its vapor or liquid touched skin, it will led to dermatitis; when eye contacts it, it will lead to hurt of eye cornea. Need to protect when using it.
It should be stored in cool, ventilated, dry warehouse.

 





  Previous product:   None
  Next product: N,N'-Diisopropylcarbodiimide

主站蜘蛛池模板: 国产成人综合欧美精品久久| 亚洲女人被黑人巨大进入| 国产日韩在线时看高清视频| 国产精品熟女高潮视频| 无码一区二区三区免费| 正在播放东北夫妻内射| 女人高潮抽搐潮喷视频开腿| 欲女熟妇国产一区二区| 五月天精品视频在线观看| 精品国产天线2019| 久久免费的精品国产v∧| 波多野42部无码喷潮| 麻豆蜜桃av蜜臀av色欲av| 久久精品国产一区二区免费| 亚洲色精品88色婷婷七月丁香| 麻豆成人精品国产免费| 99久久久无码国产aaa精品| 97夜夜澡人人爽人人喊a| 最新高清中文字幕免费mv| 亚洲欧美偷拍另类a∨| 国产女人乱子对白av片| 人妻丰满熟妇av无码区乱| 久久精品无码一区二区日韩av| 国内精品美女a∨在线播放| av制服丝袜白丝国产网站| 久久精品国产色蜜蜜麻豆| 夜夜爽狠狠天天婷婷五月| 午夜福利不卡片在线机免费视频| 伊人久久大香线蕉综合75| 国产精品永久免费视频| 久久综合给综合给久久| 久久九九精品国产av片国产| 国产无遮挡又黄又爽高潮| 51国偷自产一区二区三区| 中文韩国午夜理伦三级好看| 国产成 人 综合 亚洲| 国产精品丰臀| 对白脏话肉麻粗话av| 国产日产欧产精品精品推荐免费 | 苍井空亚洲精品aa片在线播放| 久久九九精品国产综合喷水|