目录产品

Polyethylenimine, Linear, MW 2,500 (PEI 2500)

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Catalog No. Packaging Size 价格 数量
24313-2 2 g
NT$5,568.00
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描述

Linear polyethylenimine (L-PEI 2500) is a high-charge cationic polymer that readily binds highly anionic substrates. Industrially, linear PEI can improve the appearance of negatively charged dyes by modulating their properties and improving their adherence to surfaces.

L-PEI 2500 contains 7-11% of the acylated amine (N-propionylated) from isomerization-polymerization of 2-ethyl-2-oxazoline followed by acid-hydrolysis of resulting N-propionyl-PEI. For fully deacylated L-PEI, see Polyethylenimine HCl, Linear, Mw 4,000 (L-PEI HCl 4000; Catalog # 24885)

CAS#:
9002-98-6, 26913-06-4
Formula:

(CH2CH2NH)n


Molecular Weight:
2,500
Melting Point:
75-90°
Soluble In:
hot water, cold water at low pH, methanol, and ethanol
Insoluble In: Benzene, ethyl ether, acetone, and cold water.
Appearance:
Tan to brown solid
Reference(s):

Siegman S, Truong NF, Segura T. (2015). Encapsulation of PEGylated low-molecular-weight PEI polyplexes in hyaluronic acid hydrogels reduces aggregationActa Biomater. in Press, doi:10.1016/j.actbio.2015.09.020

Liu X, Heiler DJ. (2010). Contact Lens Care Solutions with a Low Molecular Weight Oligomer." U.S. Patent 20,100,086,514, issued April 8, 2010. 


TSCA
 
Hazards:
Irritant , Unknown
Handling:
Gloves & chemical goggles
Storage:
Store at room temperature

MSDS / Technical Data Sheets / Product Literature

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