Polyethylenimine, Linear, MW 25,000
Polyethylenimine, Linear, MW 25,000
CAS Number: 9002-98-6
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. Soluble in hot water, cold water at low pH, methanol, ethanol, and chloroform. Insouble in bezene, ethyl ether, acetone, and cold water. One end of the polymer chain methyl; other
end hydroxyl. Contains up to 7-8% of poly(2-ethyl-2-oxazoline) MW 25,000 mp 73-75º TSCA
(-NHCH2CH2-)x[-N(CH2CH2NH2)CH2CH2-]y
Hazards: Unknown
Handling: Gloves & fume hood
Storage: Store at room temperature
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