Polyethyleneimine
Also known as: Polyethylenimine, PEI, Aziridine, homopolymer, Ethylene imine polymer solution, Ethyleneimine, homopolymer, MFCD00084427, PEI-1750, PEI-2500, POLYETHYLENEIMINE, BRANCHED, Polyethylenimine, branched, polyethylenimine(10,000), polyethylenimine(20,000)
Polyethyleneimine (CAS 9002-98-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C2H5N and a molecular weight of 43.06780 g/mol. Key properties include a melting point of 59-60°C, a boiling point of 250 °C(lit.), a density of 1.030 g/mL at 25 °C and a flash point of >110.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H411 — Toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 9002-98-6
- Jingsj CID
- J-26387-6
- Molecular Formula
- C2H5N
- Molecular Weight
- 43.06780 g/mol
- Category
- Organic Bases
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 59-60°C |
|---|---|
| Boiling Point | 250 °C(lit.) |
| Density | 1.030 g/mL at 25 °C |
| Flash Point | >110.0 °C |
| Exact Mass | 43.04220 |
| PSA | 21.94000 |
| Appearance | Liquid | Pale yellow |
| Refractive Index | n20/D 1.5290 |
| Additional Property | Soluble in water. |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H411 — Toxic to aquatic life with long lasting effects
Activity & Biological Data
| Additional Information | [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. |
|---|
Frequently Asked Questions
What is the CAS number of Polyethyleneimine?
The CAS number of Polyethyleneimine is 9002-98-6.
What are the molecular formula and molecular weight of Polyethyleneimine?
Polyethyleneimine has molecular formula C2H5N and molecular weight 43.06780 g/mol.
Is Polyethyleneimine hazardous?
Polyethyleneimine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H411 — Toxic to aquatic life with long lasting effects.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Polyethyleneimine (CAS 9002-98-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26387-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.