Polyethyleneimine

Modify Date: 2025-08-20 14:13:08

Polyethyleneimine Structure
Polyethyleneimine structure
Common Name Polyethyleneimine
CAS Number 9002-98-6 Molecular Weight 43.06780
Density 1.030 g/mL at 25 °C Boiling Point 250 °C(lit.)
Molecular Formula C2H5N Melting Point 59-60°C
MSDS Chinese USA Flash Point >230 °F
Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning

 Use of Polyethyleneimine


Polyethylenimine is a class of cationic polymers, is effective for gene delivery. Polyethylenimine is nondegradable and the molecular weight of PEI affects the cytotoxicity and gene transfer activity. Polyethylenimine acts as a low toxicity and efficient gene vector[1].

 Names

Name Polyethylenimine, branched
Synonym More Synonyms

 Polyethyleneimine Biological Activity

Description Polyethylenimine is a class of cationic polymers, is effective for gene delivery. Polyethylenimine is nondegradable and the molecular weight of PEI affects the cytotoxicity and gene transfer activity. Polyethylenimine acts as a low toxicity and efficient gene vector[1].
Related Catalog
References

[1]. Yuting Wen, et al. A biodegradable low molecular weight polyethylenimine derivative as low toxicity and efficient gene vector. Bioconjug Chem. 2009 Feb;20(2):322-32.

 Chemical & Physical Properties

Density 1.030 g/mL at 25 °C
Boiling Point 250 °C(lit.)
Melting Point 59-60°C
Molecular Formula C2H5N
Molecular Weight 43.06780
Flash Point >230 °F
Exact Mass 43.04220
PSA 21.94000
Appearance of Characters Liquid | Pale yellow
Index of Refraction n20/D 1.5290
Storage condition 2-8°C
Water Solubility Soluble in water.

 Safety Information

Symbol GHS07 GHS09
GHS07, GHS09
Signal Word Warning
Hazard Statements H302-H411
Precautionary Statements P273
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn,N,Xi
Risk Phrases 22-43-51/53-36/38
Safety Phrases 22-24/25-61-36/37-37-26
RIDADR UN 3082 9 / PGIII
WGK Germany 2
RTECS TQ7917000
Hazard Class 9.0

 Articles1

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 Synonyms

MFCD00084427
Aziridine, homopolymer
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