—— Product Specifications ——

—— Product Detail ——

• • • • • • • • • • • • • • • • • • • • • Product Overview

                                          N-(2-Aminoethyl)piperazine (AEP) is an organic compound with the molecular formula C₆H₁₅N₃ and a molecular weight of 129.20 g/mol. This colorless to pale yellow clear liquid is a member of the piperazine family, featuring a piperazine ring substituted with an aminoethyl group at the nitrogen atom. It is a versatile chemical intermediate with dual amine functionality that provides high reactivity and broad utility across multiple industrial applications.

                                          AEP is widely used as an epoxy curing agent, offering excellent adhesion, chemical resistance, and mechanical properties. It also serves as a building block for the synthesis of surfactants, chelating agents, pharmaceuticals, and agrochemicals. Its unique structure, combining a cyclic diamine with a primary amine side chain, provides both flexibility and reactivity in various chemical transformations.

                                          Synthetic Process

                                          N-(2-Aminoethyl)piperazine is manufactured through the following routes:

                                          • Reaction of piperazine with ethylene dichloride or ethylene oxide: Piperazine is reacted with ethylene dichloride or ethylene oxide under controlled conditions to introduce the aminoethyl group. The reaction is typically conducted in the presence of a base to neutralize the hydrogen halide produced.

                                          • Reductive amination of piperazine: Piperazine is reacted with aminoacetaldehyde or its derivatives in the presence of a reducing agent such as hydrogen and a metal catalyst.

                                          • Reaction of piperazine with 2-chloroethylamine: Piperazine is alkylated with 2-chloroethylamine hydrochloride in alkaline medium.

                                          • Distillation: The crude product is purified by fractional distillation under reduced pressure.

                                          Mechanism of Action / Application Principles

                                          • Epoxy Curing Agent: As an amine-based curing agent, AEP reacts with epoxide groups in epoxy resins through ring-opening addition reactions. The primary amine group and secondary amines in the piperazine ring both participate in the curing process, forming a crosslinked network with excellent mechanical, adhesive, and chemical resistance properties.

                                          • Chemical Intermediate: Serves as a building block for the synthesis of various chemicals including:

                                            • Surfactants: Used in the preparation of amphoteric and cationic surfactants.

                                            • Chelating Agents: Precursor for the synthesis of chelating agents for metal ion sequestration.

                                            • Pharmaceuticals: Used in the synthesis of piperazine-based drug molecules.

                                            • Agrochemicals: Employed in the production of herbicides and fungicides.

                                          • Gas Treatment: Used as a component in gas treatment formulations for acid gas removal (CO₂, H₂S).

                                          • Lubricant Additives: Used in the preparation of certain lubricant and fuel additives.

— C ompany Profile ——

Jinan Topfull Chemical Co., Ltd. is an international company rooted in China, specializing in the export of chemical products.

Our company is committed to making every effort to provide ideal chemical products to potential customers worldwide, including but not limited to: organic/inorganic reagents, biological reagents, plant extracts, pharmaceutical intermediates, active pharmaceutical ingredients (APIs), reference standards, reference substances, peptides, and more. Meanwhile, we have established long-term and stable cooperative relationships with university laboratories and off-campus research institutions, enabling us to offer tailored product services based on customers' actual needs.

We currently support customized services for most product categories, with supply quantities ranging from milligram (mg), gram (g) to kilogram (kg) levels, as well as wholesale. Product purity covers the full spectrum from 90% to 99.9%, providing customers with one-stop convenient services.

To date, our products have been exported to developed countries such as the United States, Australia, Canada, Mexico, as well as EU member states including France, Germany, and many other countries and regions such as Nigeria, Ghana, Southeast Asia, and other parts of Asia. Our product quality and services have consistently received high praise.

Looking ahead, our company will continue to serve as a bridge connecting China and the world, delivering high-quality products and services to global customers.

—— Q&A ——

Q1: How to confirm the product quality before placing orders?
A: By sending you available samples. Or if you have special requirements for the goods, we can prepare samples according to your requirements for confirmation.

Q2: Can you supply free samples?
A: Yes, we can provide a free sample, but the shipping cost will be paid by the customers. You can either pay the shipping cost or arrange a courier to collect the samples.

Q3: How do you treat quality complaints?
A: All our products are strictly tested by our QC and confirmed by QA; unqualified material will not be released to customers. If any quality problem is confirmed to be caused by us, we will replace the goods or refund your payment immediately.

Q4: What is your MOQ? Is there a discount?
A: For highvalue products, our MOQ starts from 1g and generally starts from 10g. For other lowprice products, our MOQ starts from 100g and 1kg.
Q: Is there a discount?
A: Yes, for larger quantities, we always support with better prices.

Q5: How to start orders or make payments?
A: You can send us your Purchase Order (if your company has one), or just send a simple confirmation by email or via Trade Manager. We will then send you a Proforma Invoice with our bank details for your confirmation, and you can make payment accordingly. If you have other preferred payment methods, we are open to discussion and negotiation.