26913-06-4

Basic information

• Product Name: polyethyleneimine
• Synonyms: aziridinepolymer,sru;corcat;linearpolyethylenimine;poly(imino(1,2-ethanediyl));poly(iminoethylene);polyethylenimin;Poly(imino(1,2-ethanediyl)) (9ci);Poly(iminoethylene) (8ci)
• CAS NO: 26913-06-4
• Molecular Formula: C8H23N5
• Molecular Weight: 189.30172
• Mol File: 26913-06-4.mol
• Article Data: 0

Chemical Properties

• Melting Point: 58.5 °C
• Appearance: /
• Density: 1.05 g/cm3
• CAS DataBase Reference: polyethyleneimine(CAS DataBase Reference)
• NIST Chemistry Reference: polyethyleneimine(26913-06-4)
• EPA Substance Registry System: polyethyleneimine(26913-06-4)

Safety Data

• Safety Statements: Poison by an unspecified route. Moderately toxic by ingestion. An eye irritant. When heated to decomposition it emits toxic fume
• Hazardous Substances Data: 26913-06-4(Hazardous Substances Data)

Usage

Description

Polyethyleneimine (PEI) is a synthetic polymer that exists as a highly viscous, hygroscopic liquid when anhydrous. It is completely miscible with water and lower alcohols, but insoluble in benzene. PEI is reactive toward cellulose and is combustible in nature.

Uses

Used in Paper and Cellophane Industry:
Polyethyleneimine is used as an adhesive and anchoring agent for paper and cellophane, enhancing the bonding and stability of these materials.
Used in Paper Manufacture:
In the paper manufacturing process, PEI serves as a dewatering agent and wet strength improver, which helps in the efficient removal of water and improves the strength of the paper when wet.
Used in Textile Industry:
Polyethyleneimine is used as a fixative and leveling agent in textile fibers, ensuring even distribution of dyes and improving the overall quality of the fabric.
Used in Plastic Film Industry:
As an antiblocking agent on plastic films, PEI helps prevent the sticking of layers and improves the handling and performance of the plastic material.
Used in Water Treatment:
PEI acts as a flocculating agent and ion-exchange resin in water purification processes, aiding in the removal of contaminants and impurities from water.
Used in Chemical and Pharmaceutical Industry:
As a complexing agent, PEI is utilized in the chemical and pharmaceutical industries for various applications, including the synthesis and purification of compounds.
Used in Disinfection:
Polyethyleneimine is used as a disinfectant for textiles and skins, providing antimicrobial properties and ensuring cleanliness and hygiene.
Used in Photographic Chemistry:
In the field of photographic chemistry, PEI is employed in various processes, contributing to the development and enhancement of photographic materials.
Used in Carbon Dioxide Absorption:
As an absorbent for carbon dioxide, PEI helps in capturing and removing this greenhouse gas from the atmosphere, contributing to environmental sustainability.
Used in Polyelectrolyte Applications:
Polyethyleneimine is also used as a polyelectrolyte in various applications, leveraging its unique properties to enhance the performance of different materials and systems.