Polyethyleneimine
polyethyleneimine
CAS: 25987-06-8
Molecular Formula: C4H13N3
Polyethyleneimine - Names and Identifiers
| Name | polyethyleneimine |
| Synonyms | polyethyleneimine MDG Polyethyleneimine POLYETHYLENIMINE LOW MOLECULAR WEIGHT 1,2-Ethanediamine,polymerwithaziridine Aziridine, polymer with 1,2-ethanediamine Polyethylenimine, ethylenediamine branched Polyethylenimine, branched average Mw ~800 by LS, average Mn ~600 by GPC PolyethyleniMine, ethylenediaMine branched average Mw ~800 by LS, average Mn ~600 by GPC N'-[2-[2-[2-(2-aminoethylamino)ethyl-[2-[bis(2-aminoethyl)amino]ethyl]amino]ethyl-[2-[2-[bis(2-aminoethyl)amino]ethylamino]ethyl]amino]ethyl]ethane-1,2-diamine |
| CAS | 25987-06-8 |
Polyethyleneimine - Physico-chemical Properties
| Molecular Formula | C4H13N3 |
| Molar Mass | 103.17 |
| Density | 1.08 g/mL at 25 °C |
| Flash Point | >230 °F |
| Vapor Presure | 9 mm Hg ( 20 °C) |
Polyethyleneimine - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R43 - May cause sensitization by skin contact R41 - Risk of serious damage to eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 3082 9 / PGIII |
| WGK Germany | 3 |
Polyethyleneimine - Introduction
polyethyleneimine is a polymer compound having a polypeptide bond structure. It is made by reacting ethylenediamine molecules with polyethyleneimine prepolymers. Its molecular structure contains a large number of amino functional groups, which makes it have good solubility and adsorption ability.
polyethyleneimine have the following properties and characteristics:
1. High reactivity: Because it contains a large number of amino functional groups, it can react with many organic and inorganic substances, such as acids, aldehydes, anhydrides, etc., so it has a wide range of applications in chemistry.
2. excellent solubility: can be dissolved in water, alcohol, ketone and other organic solvents, and can form a reversible colloidal material.
3. High adsorption capacity: It can adsorb and fix some ions, metal ions and organic substances for water treatment, wastewater treatment and catalytic reaction.
4. electrophilicity: due to its rich amino groups in its molecular structure, it can interact with substances with negative electricity.
polyethyleneimine has a wide range of applications in various fields, including:
1. Drug delivery system: used to prepare drug carriers to improve the adsorption, delivery and release properties of drugs.
2. Nanomaterial synthesis: as a template and stabilizer for the synthesis of nanoparticles and nanomaterials.
3. water treatment: used to remove heavy metal ions, organic substances and pigments in wastewater.
4. Surface modifier: used to improve the wettability and antistatic properties of paper, textiles and polymer materials.
There are generally two kinds of polyethyleneimine preparation methods:
1. Chemical synthesis method: ethylenediamine and polyethyleneimine prepolymer are reacted under acidic conditions to generate polyethyleneimine.
2. continuous reaction method: ethylenediamine and polyethyleneimine prepolymer are added to the reactor at the same time, and the reaction is carried out at high temperature to obtain polyethyleneimine.
Regarding safety information, polyethyleneimine are polymer compounds with good stability and safety under normal conditions. However, it is still necessary to observe relevant laboratory safety regulations during operation, such as wearing protective gloves, goggles and laboratory coats. In addition, direct contact with skin and eyes should be avoided, and a well-ventilated laboratory environment should be maintained. In the event of an accident, seek immediate help from a doctor.
polyethyleneimine have the following properties and characteristics:
1. High reactivity: Because it contains a large number of amino functional groups, it can react with many organic and inorganic substances, such as acids, aldehydes, anhydrides, etc., so it has a wide range of applications in chemistry.
2. excellent solubility: can be dissolved in water, alcohol, ketone and other organic solvents, and can form a reversible colloidal material.
3. High adsorption capacity: It can adsorb and fix some ions, metal ions and organic substances for water treatment, wastewater treatment and catalytic reaction.
4. electrophilicity: due to its rich amino groups in its molecular structure, it can interact with substances with negative electricity.
polyethyleneimine has a wide range of applications in various fields, including:
1. Drug delivery system: used to prepare drug carriers to improve the adsorption, delivery and release properties of drugs.
2. Nanomaterial synthesis: as a template and stabilizer for the synthesis of nanoparticles and nanomaterials.
3. water treatment: used to remove heavy metal ions, organic substances and pigments in wastewater.
4. Surface modifier: used to improve the wettability and antistatic properties of paper, textiles and polymer materials.
There are generally two kinds of polyethyleneimine preparation methods:
1. Chemical synthesis method: ethylenediamine and polyethyleneimine prepolymer are reacted under acidic conditions to generate polyethyleneimine.
2. continuous reaction method: ethylenediamine and polyethyleneimine prepolymer are added to the reactor at the same time, and the reaction is carried out at high temperature to obtain polyethyleneimine.
Regarding safety information, polyethyleneimine are polymer compounds with good stability and safety under normal conditions. However, it is still necessary to observe relevant laboratory safety regulations during operation, such as wearing protective gloves, goggles and laboratory coats. In addition, direct contact with skin and eyes should be avoided, and a well-ventilated laboratory environment should be maintained. In the event of an accident, seek immediate help from a doctor.
Last Update：2024-04-09 21:04:16
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