The polyethyleneimine, Supelco 21195-U, is made from Aldrich 181978. Supelco purifies the PEI to use as a GC phase; it is commonly solvated with acetone for use in the manufacturing of packings for gas chromatography columns. It exists as a thick, clear, colorless, odorless liquid at room temperature.
21195-U
GC Stationary Phase
phase Polyethyleneimine, bottle of 50 g
About This Item
Recommended Products
packaging
bottle of 50 g
parameter
0-175 °C temp. range
technique(s)
gas chromatography (GC): suitable
matrix active group
Polyethyleneimine phase
solubility
acetone: soluble
column type
packed GC
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General description
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Sens. 1
Storage Class
10 - Combustible liquids
wgk_germany
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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What are the specifications for Product 21195-U, Polyethyleneimine?
1 answer-
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What is the molecular weight of Polyethyleneimine, Product 21195-U?
1 answer-
The molecular weight distribution of the polyethyleneimine: average Mn ~60,000 by gel permeation chromatography (GPC), average Mw ~750,000 by light scattering (ELSD; evaporative light scattering detection).
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Do you know the pKa of polyethyleneimine?
1 answer-
The nitrogens in polyethyleneimine (PEI) are mainly in tertiary amines. PEI has a pKa of approximately 5.9.
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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