亚洲欧洲自拍拍偷午夜色,天天爽夜夜爽夜夜爽,中文字幕人妻丰满熟妇,亚洲欧美日韩在线一区,亚洲AⅤ中文无码字幕,日韩成人网站在线观看

 

Sodium Ethoxide

 

 

Basic information:

CAS NO.141-52-6

UN NO.3206

Chemicals formula:C2H5NaO

Molecular weight:68.05

Character:solid, liquid

Density:0.868   

Solubleness(mg/ml):Miscible

 

Techical Index(Mass fraction/%)

Item

Index

Appearance

Slight yellow crystal powder

     Assay(total alkali)  %

 ≥ 99.2-99.4

 Sodium methylate((NaOCH3)  %

 ≥ 97.0

   Sodium hydroxide(NaOH) %

 ≤ 1.0

Sodium carbonate(Na2CO3)  %

 ≤ 0.3

Moisture(H2O)        %

 ≤ 0.65

 


Uses:
 
Sodium ethanol is widely used as a strong alkaline catalyst, ethoxylating agent, and as a coagulant and reducing agent in organic synthesis. Among them, the pharmaceutical products of sodium ethanol include phenobital, butadipine, picyanone, methyldopa, tetracaine hydrochloride, yikeazine, aminopterin, pyrimethamine, picyanillin, etc.Also used for pesticides and analytical reagents.

 

Package/Capacity of container/Storage:

  Packing:in 25kg bag within plastic;20kg fibre drum;80kg galvanized iron drum;200kg iron drum.

  It should be sealed and stored in a cool place away from light.

 

 

 

Contact person: Chen Xin Liu Yong  Mobile phone:13114957238 15022111969  E-mail:fairy.chen@tjxinze.com? david.liu@tjxinze.com ?Telephone:86-22-23717388
Fax:86-22-23717188 ? Address: Dongtaizi, Xiqing District, Tianjin
亚洲欧洲自拍拍偷午夜色,天天爽夜夜爽夜夜爽,中文字幕人妻丰满熟妇,亚洲欧美日韩在线一区,亚洲AⅤ中文无码字幕,日韩成人网站在线观看