408727
Polyethylenimine, branched
average Mw ~25,000 by LS, average Mn ~10,000 by GPC, branched
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Quality Level
form
viscous liquid
mol wt
average Mn ~10,000 by GPC
average Mw ~25,000 by LS
impurities
≤1% water
refractive index
n20/D 1.5290
viscosity
13,000-18,000(50 °C)
bp
250 °C (lit.)
density
1.030 g/mL at 25 °C
SMILES string
C1CN1
InChI
1S/C2H5N/c1-2-3-1/h3H,1-2H2
InChI key
NOWKCMXCCJGMRR-UHFFFAOYSA-N
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General description
Application
PEI can be used to functionalize single-walled nanotubes (SWNTs) to improve their solubility and biocompatibility while maintaining the structural integrity of the original SWNT. Covalently functionalized SWNTs find application in CO2 absorption and gene delivery.
Branched PEI can also be used to modify the surface properties of adsorbents. PEI-modified hydrous zirconium oxide/PAN nanofibers are used for the defluorination of groundwater as they show high fluoride adsorption capacity and a wide working pH range.
Features and Benefits
Branched PEI has better complexation andbuffering capacity.
Physical form
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Sens. 1
wgk_germany
WGK 2
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Certificates of Analysis (COA)
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