美国Polysciences公司Polyethylenimine 23966-2现货促销!苏州蚂蚁淘生物!
促销活动时间:2016年1月1日 2016年12月31日
热烈庆祝苏州蚂蚁淘生物成为PolySciences公司代理商!
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Polyethylenimine, Linear (MW 25,000)
Catalog No: 23966-2 Packaging Size: 2 g
CAS Number: 9002-98-6Linear polyethylenimines (PEIs) contain all secondary amines, in contrast to branched PEIs which contain primary, secondary and tertiary amino groups. The linear PEIs are solids at room temperature where branched PEIs are liquids at all molecular weights. Soluble in hot water, cold water at low pH, methanol, and ethanol. One end of the polymer chain methyl; other end hydroxyl. Contains up to 7-8% of poly(2-ethyl-2-oxazoline) Insouble in: benzene, ethyl ether, acetone and cold water.
Storage: Store at room temperatureCode: U5g - (hazard/handling/storage codes)苏州蚂蚁淘生物联系方式:全国免费咨询热线:4006130504电话:010-50934026/50934036/52405563传真:010-58850899邮箱:info@lab-bio.com网站:www.lab-bio.com地址:北京市海淀区清河三街95号同源大厦912室
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