Polyethyleneimine (PEI) CAS 9002-98-6: Your Reliable Supplier for Advanced Chemical Applications
Discover Polyethyleneimine (PEI) with CAS 9002-98-6, a versatile cationic polymer essential for advanced applications in electronics, biotechnology, and environmental solutions. As a leading manufacturer and supplier in China, we provide high-quality PEI to meet your R&D and production needs.
Get a Quote & SampleHigh-Performance Polyethyleneimine for Diverse Industrial Needs

Polyethyleneimine (PEI)
As a trusted manufacturer and supplier of Polyethyleneimine (PEI) in China, we offer a high-purity product with CAS number 9002-98-6. Our PEI is recognized for its cationic nature and the presence of primary, secondary, and tertiary amino groups, making it an ideal choice for demanding applications. We ensure consistent quality and reliable supply for global clients seeking to buy this essential chemical.
- Exceptional Cationic Properties for Transfection and Gene Delivery: Leverage our Polyethyleneimine to achieve efficient nucleic acid precipitation and transfection assays, supporting groundbreaking research and development.
- Versatile Applications in Electronic Chemicals: Our high-quality PEI is a critical component in photoresist formulations and other electronic applications, backed by rigorous quality control from our manufacturing facilities.
- Effective CO2 Capture and Surface Modification Capabilities: Explore the potential of PEI for environmental solutions like CO2 capture and for enhancing material properties through surface modification.
- Reliable Manufacturer & Supplier in China: Partner with us for a stable supply of Polyethyleneimine, ensuring your production lines are never interrupted. Get competitive pricing and superior product quality.
Key Advantages of Sourcing PEI from Us
Unmatched Purity and Consistency
Our Polyethyleneimine (PEI) manufactured in China consistently meets high purity standards, ensuring reliable performance in your critical applications. We are a dedicated supplier committed to quality assurance for every batch purchased.
Extensive Application Versatility
From advanced electronic chemicals to cutting-edge biomedical research, our PEI provides the essential properties required for innovative solutions. Discover how our product can elevate your formulations and research.
Cost-Effective Sourcing and Competitive Pricing
As a primary manufacturer and supplier, we offer competitive pricing for Polyethyleneimine, making high-quality materials accessible for your business. Request a quote today to buy directly from the source.
Broad Spectrum of Polyethyleneimine Applications
Electronic Chemicals Manufacturing
Utilize our high-purity Polyethyleneimine as a key component in photoresist formulations and other advanced electronic chemical processes. As a dedicated supplier, we support the innovation in the electronics industry.
Biotechnology and Gene Delivery
Our Polyethyleneimine serves as an effective transfection reagent and attachment promoter for weakly anchoring cells, crucial for gene therapy and cell culture research. Explore purchase options from our reliable Chinese manufacturer.
Environmental Technologies
PEI's excellent CO2 capture capabilities and use as a flocculating agent make it invaluable for environmental applications. We are your go-to supplier for sustainable chemical solutions.
Surface Modification and Coatings
The reactive nature of Polyethyleneimine makes it ideal for modifying surfaces and enhancing material properties in coatings and adhesives. Consider us your primary source for quality PEI.