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AI Overview

Aminoethylpiperazine (AEP, CAS 140-31-8) is a colorless, viscous, hygroscopic liquid with an ammonia-like odor, typically sold at

is greater than or equal to

98-99% purity (AEP 95/98+). It is a versatile, highly reactive ethyleneamine containing primary, secondary, and tertiary amine groups, commonly used as an epoxy curing agent, corrosion inhibitor, and in polyurethane production.

Key Properties and Uses

Chemical Structure: Cyclic amine (

$cap C sub 6 cap H sub 15 cap N sub 3$

) that functions as a high-performance curing agent for epoxy resins.
Applications: Widely used in corrosion inhibitors (oil/gas industry), polyamide resins, asphalt additives, urethane catalysts, and as a pharmaceutical intermediate.
Physical Data: Boiling point of

$tilde 220 raised to the composed with power C$

, freezing point of

$negative 19 raised to the composed with power C$

, and is completely soluble in water.
Reactivity: High reactivity due to the presence of three different types of amine groups.

Safety and Handling
AEP is classified as a corrosive organic liquid. It can cause severe skin burns, eye damage, and potential pulmonary edema if inhaled. It is critical to use appropriate personal protective equipment (PPE) when handling. It is also known to be a skin sensitizer.

Suppliers
Common industrial suppliers include Nouryon , Huntsman , and Dow .

Aminoethylpiperazine (AEP) - Nouryon
Aminoethylpiperazine (AEP) is an ethylene amine with unique molecular structure, as it contains a primary, secondary and tertiary ...

Nouryon
Aminoethylpiperazine (AEP) - Dow - SpecialChem
Jul 28, 2024 — Aminoethylpiperazine (AEP) by Dow is an epoxy curing agent, corrosion inhibitor, mineral processing aid and asphalt additive. It i...

SpecialChem
Aminoethyl Piperazine (AEP) Suppliers, Dealers in Mumbai ...
It contributes to its high reactivity as well as versatility in chemical reactions. AEP is a colorless or yellowish liquid with a ...

shaktichemicals.org

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N-AMINOETHYLPIPERAZINE - CAMEO Chemicals - NOAA

CAMEO Chemicals (.gov)

https://cameochemicals.noaa.gov › chemical

CAMEO Chemicals (.gov)

https://cameochemicals.noaa.gov › chemical

N-AMINOETHYLPIPERAZINE neutralizes acids to form salts plus water in exothermic reactions . May be incompatible with isocyanates, halogenated organics, ... Read more

Aminoethylpiperazine (AEP) 2-piperazin-1-ylethanamine

Nouryon

https://www.nouryon.com › Product search

Nouryon

https://www.nouryon.com › Product search

Aminoethylpiperazine (AEP) is an ethylene amine with unique molecular structure , as it contains a primary, secondary and tertiary amine. Read more

Missing: 95 ‎| Show results with: 95

Aminoethyl Piperazine (AEP)

GreenChem Industries

https://greenchemindustries.com › chemical › aminoethyl...

GreenChem Industries

https://greenchemindustries.com › chemical › aminoethyl...

AEP is commonly used in the production of corrosion inhibitors, urethane catalysts, and epoxy hardeners, playing a critical role in the development of coatings, ... Read more

Aminoethylpiperazine

Wikipedia

https://en.wikipedia.org › wiki › Aminoethylpiperazine

Wikipedia

https://en.wikipedia.org › wiki › Aminoethylpiperazine

Aminoethylpiperazine (AEP) is a derivative of piperazine . This ethyleneamine contains three nitrogen atoms; one primary, one secondary and one tertiary. Read more

Missing: 95 ‎| Show results with: 95

2-piperazin-1-ylethylamine - Substance Information - ECHA

ECHA

https://echa.europa.eu › substanceinfo

ECHA

https://echa.europa.eu › substanceinfo

This substance is used in the following products: adhesives and sealants, coating products, fillers, putties, plasters, modelling clay, finger paints and ... Read more

SAFETY DATA SHEET

Fisher Scientific

https://www.fishersci.com › store › msds

Fisher Scientific

https://www.fishersci.com › store › msds

PDF

May 1, 2025 — Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment . Component. Freshwater Algae. Freshwater Fish. Read more

Aminoethylpiperazine (AEP)

nanjing bewell chemical co.,ltd.

https://www.bewellchem.com › Products

nanjing bewell chemical co.,ltd.

https://www.bewellchem.com › Products

Aminoethylpiperazine (AEP)‌ is a colorless to pale yellow viscous liquid with a faint ammonia odor . It is a versatile organic compound widely used as a ... Read more

Aminoethylpiperazine - HP (AEP - HP) - Amines

Huntsman

https://products.huntsman.com › products › aminoethylp...

Huntsman

https://products.huntsman.com › products › aminoethylp...

It contains one primary, one secondary, and one tertiary amine. AEP is a single-component product that is clear, colorless, and has an ammonia-like odor. Read more

Missing: 95 ‎| Show results with: 95

Aminoethylpiperazine (AEP)

Nouryon

https://www.nouryon.com › inriver › resources

Nouryon

https://www.nouryon.com › inriver › resources

PDF

Aminoethylpiperazine (AEP) is an ethylene amine with unique molecular structure , as it contains a primary, secondary and tertiary amine. Read more

2 pages

Missing: 95 ‎| Show results with: 95

Huntsman (AEP) Aminoethylpiperazine Curing Agent 3200

The Epoxy Resin Store

https://www.theepoxyresinstore.com › products › huntsm...

The Epoxy Resin Store

https://www.theepoxyresinstore.com › products › huntsm...

( AEP) Aminoethylpiperazine Curing Agent 3200 is an unmodified aliphatic amines. They are used in a variety of applications including epoxy curing agents.