Molekula
1-(2-Aminoethyl)piperazine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
1-(2-Aminoethyl)piperazine is a versatile organic compound primarily used as a building block in pharmaceutical synthesis, corrosion inhibitors, and polymer chemistry. Its principal documented application is as a curing agent and hardener for epoxy resins, and it also serves as an intermediate for surface-active agents and synthetic fibers. It functions as a bifunctional amine, enabling cross-linking and chelation in various industrial applications. CAS 140-31-8, molecular formula NH(C4H8)N(CH2CH2)NH2, molecular weight 129.20 g/mol. Store at ambient conditions. Signal word: Danger. Molekula supplies 1-(2-Aminoethyl)piperazine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8(6.1) |
| Packing Group | III |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Light-colored liquid |
| Melting Point | -20 °C |
| Boiling Point | 220 °C |
| Density | 0.985 g/cm³ at 25 °C |
| Water Solubility | Soluble in water |
| Vapour Pressure | 0.04 mmHg |
| Refractive Index | 1.493 |
Source: PubChem CID 8795 (HSDB, PAC Chemical Database, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90036785 |
| CAS Number | 140-31-8 |
| IUPAC Name | 2-piperazin-1-ylethanamine |
| EC Number | 205-411-0 |
| Molecular Formula | NH(C4H8)N(CH2CH2)NH2 |
| Molecular Weight | 129.20 |
| Exact Mass | 129.1266 |
| SMILES | C1CN(CCN1)CCN |
| InChIKey | IMUDHTPIFIBORV-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H15N3/c7-1-4-9-5-2-8-3-6-9/h8H,1-7H2 |
| PubChem CID | 8795 |
| UN Number | UN2815 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29335995 |
| Tariff Code | 2933599590 |
Safety & GHS
-
Corrosive
GHS05
-
Toxic
GHS06
-
Serious Health Hazard
GHS08
Hazard statements
- H227 Combustible liquid
- H302 Harmful if swallowed
- H311 Toxic in contact with skin
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H361 Suspected of damaging fertility or the unborn child
- H372 Causes damage to organs through prolonged or repeated exposure
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1-AMINOETHYLPIPERAZINE
- 1-MAEP
- 1-Piperazineethanamine
- 1-Piperazineethylamine
- 2-(piperazin-1-yl)ethanamine
- Aminoethylpiperazine
- monoaminoethylpiperazine
- N-(2-Aminoethyl)piperazine
- N-Aminoethylpiperazine
- Piperazineethanamine
Frequently asked questions
What is 1-(2-Aminoethyl)piperazine commonly used for?
It is primarily used as a chemical intermediate in pharmaceutical synthesis, corrosion inhibitors, and as a ligand in coordination chemistry.
What is the molecular formula and molecular weight of 1-(2-Aminoethyl)piperazine?
The molecular formula is **NH(C₄H₈)N(CH₂CH₂)NH₂**, and the molecular weight is **129.20 g/mol**.
What is the hazard classification (Signal Word) for this product?
The product is classified with the **Signal Word: Danger**, indicating significant hazards (e.g., corrosive or toxic properties).
What grades or purities of 1-(2-Aminoethyl)piperazine does Molekula supply?
Molekula supplies this product in **technical grade and high-purity (98%+)** forms—confirm exact specifications at time of inquiry.
Can Molekula supply 1-(2-Aminoethyl)piperazine in bulk quantities?
Yes, bulk quantities are available upon request—contact Molekula for minimum order quantities and logistics details.
What documentation is provided with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.