美国polysciences公司Polyethylenimine23966-2现货促销!

Polyethylenimine,Linear(MW25,000)

CatalogNo:23966-2PackagingSize:2g

CASNumber: 9002-98-6

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Linearpolyethylenimines(PEIs)containallsecondaryamines,incontrasttobranchedPEIswhichcontainprimary,secondaryandtertiaryaminogroups.ThelinearPEIsaresolidsatroomtemperaturewherebranchedPEIsareliquidsatallmolecularweights.Solubleinhotwater,coldwateratlowpH,methanol,andethanol.Oneendofthepolymerchainmethyl;otherendhydroxyl.Containsupto7-8%ofpoly(2-ethyl-2-oxazoline)Insoublein:benzene,ethylether,acetoneandcoldwater.

Formula:

(C2H5N)x

MolecularWeight:25,000

MeltingPoint:73-75º

TSCA

Hazards:Unknown

Handling:Gloves&fumehood

Storage:Storeatroomtemperature

Code:U5g-(hazard/handling/storagecodes)

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