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

N,N'-diphenylguanidine monohydrobromide
Molecular formula: C13H14BrN3
Molecular weight: 292.1744
Quality index: Assay(%) ≥ 99.50    
Melting point (℃): 158 -163 ℃    
Appearance: white crystalline granular powder    
Solubility: soluble in alcohol and water, insoluble in alkali solution, slightly soluble in ether and other organic solvents.    
Loss on drying (%)<0.1    
Assay of heavy metals (mg/l)<2    
Ash (%)<0.03    
Moisture (%)<0.03  
Packing: Yellow cardboard drum, 25kg/drum 
Uses: Used for synthetic rubber additives and fluxes

[ 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(hào)：豫ICP備2021004613號(hào)