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价格:电议
所在地:北京
型号:23966-2
更新时间:2023-08-11
浏览次数:1349
公司地址:北京市朝阳区双营路11号美立方3号楼2单元2108室3单元2101室
张真(女士)
Linear 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. One end of the polymer chain methyl; other end hydroxyl.
Contains up to 7-8% of poly(2-ethyl-2-oxazoline)
Formula:
(C2H5N)x
Molecular Weight: 25,000
Melting Point: 73-75℃
Soluble In: hot water, cold water at low pH, methanol, and ethanol. Insouble in: benzene, ethyl ether, acetone and cold water.Insouble in: benzene, ethyl ether, acetone and cold water.
TSCA
Hazards: Unknown
Handling: Gloves & fume hood
Storage: Store at room temperature