Polysciences現(xiàn)貨促銷
Polyethylenimine, Linear (MW 25,000)Catalog No: 23966-2
Packaging Size: 2 g
CAS Number: 9002-98-6
美國Polysciences公司Polyethylenimine, Linear (MW 25,000)
促轉(zhuǎn)染試劑Polyethylenimine, Linear (MW 25,000)
Catalog No: 23966-2 Packaging Size: 2 g
CAS Number: 9002-98-6
美國Polysciences公司Polyethylenimine, Linear (MW 25,000)
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, 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.
美國Polysciences公司Polyethylenimine, Linear (MW 25,000)
Formula:
(C2H5N)x
Molecular Weight: 25,000
Melting Point: 73-75o
TSCA
Hazards: Unknown
Handling: Gloves & fume hood
Storage: Store at room temperature
Code: U5g - (hazard/handling/storage codes)
Polysciences現(xiàn)貨促銷 Polyethylenimine, Linear (MW 25,000) 23966-2
美國Polysciences公司Polyethylenimine, Linear (MW 25,000)

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