Polyethylenimine
Products: Polyethylenimine
Abbreviation: PEI
CAS: 25987-06-8
UN:
HS :
Class of risk:
Structural formula: HNHCH2CH2N
Boiling point: 59-60℃
Melting point: 250℃
Content: ≥50%
Packing:
Exterior: Yellow transparent liquid
Use: Galvanizing intermediate, papermaking additive, engineering plastic, etc.
*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Polyethylenimine (PEI) is a synthetic polymer featuring primary, secondary, and tertiary amine groups. Produced via ring-opening polymerization of aziridine, its general formula is <strong>(C2H5N)n</strong> with CAS No. 25987-10-4.</p>
<h3>Application</h3>
<ul>
<li><strong>Water Treatment:</strong> Acts as flocculant for heavy metal removal.</li>
<li><strong>Pharmaceuticals:</strong> Used in gene transfection vectors and drug delivery systems.</li>
<li><strong>Coatings:</strong> Serves as corrosion inhibitor and adhesion promoter.</li>
<li><strong>Oil & Gas:</strong> Functions as drilling fluid additive.</li>
</ul>
<h3>Precautions</h3>
<p>Store in cool, dry place away from oxidizers. Use PPE to prevent skin/eye contact; inhalation of dust may cause respiratory irritation. Not approved for direct human ingestion without specific formulation approval.</p>