Aminoethylpiperazine AEP
1-(2-Aminoethyl)piperazine
- CAS
- 140-31-8
- EC
- 205-411-0
- Sectors
- Coatings, Adhesives, Sealants & Elastomers, Plastics & Polymers, Water & Wastewater Treatment
Aminoethylpiperazine AEP (CAS 140-31-8) is a low-viscosity reactive amine supplied as a clear, colorless to slightly yellow liquid with high nucleophilicity and amine reactivity, used as an intermediate in epoxy curing and surfactant chemistry, in polyamide synthesis and as a corrosion inhibitor in water-based systems.
Typical Properties
| Molecular formula | C6H15N3 |
|---|---|
| Molecular weight | 129.2 g/mol |
| Form | Liquid |
| Color | Clear colorless to slightly yellow |
| Melting point | -19 °C |
| Boiling point | 222 °C |
| Density | 0.9837 g/cm³ |
| Water solubility | soluble |
| Flash point | 200 °F |
| pH | 12 (100g/l, H2O, 20°C) |
| GHS signal word | Danger · Corrosive, Acute toxicity, Irritant / harmful |
| HS code | 29335995 |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Aminoethylpiperazine AEP
Applications
Used as a curing agent for epoxy resins, as an intermediate in polyamide synthesis, and as a corrosion inhibitor in water-based systems.
Safety & Risks
Corrosive and sensitizing; avoid skin and eye contact. Provide good ventilation and use PPE including gloves and goggles.
Packaging
Supplied in 200 kg drums or IBCs. Store sealed in a well-ventilated, dry environment.