一级片特级片,国产四虎精品,草草国产成人免费视频,国产一级黄色,美女视频免费黄,章子怡黄色视频,在线动漫美女福利禁视频

Professional development and production of pharmaceutical intermediate products

The main products are: rebamipide, 2,3-dibromo-2-butene-1,4-diol, 2-acetoxyisobutyryl chloride, ethyl silicate (condensation), anhydrous lithium bromide, a Methylamine methanol solution, tetradecyl trimethyl ammonium bromide.

PRODUCTS

changteng new pharmaceutical

Ethanamine,N,N-diethyl-,hydrochloride
Molecular formula:

C6H15NHCl

Molecular weight:

137.65

CAS NO.:

554-68-7

Character:

White crystal, sublimated at 245 degrees without decomposition. It is soluble in 0.7 parts of water, ethanol and chloroform, very slightly soluble in benzene and almost insoluble in ether. Irritating

Appearance:

White crystal

Content:

≥99%

Melting point:

254-260℃

Loss on drying:

≤0.5%

Purpose:

It is used as the basic raw material for quaternary ammonium salt, medicine, pesticide, dye and other organic synthesis.

Storage instructions:

Store in a dry, ventilated room. Keep away from fire source and heat source. Avoid direct sunlight. During transportation, it shall be protected from sun and rain, and well ventilated. It shall not be transported together with food and feed.

[ BACK ]

HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   ORDER  |   CONTACT  |   中文版

Copyright(C)2021, Sanmenxia Changteng New Pharmaceutical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號:豫ICP備2021004613號