Molekula
1-(2-Hydroxyethyl)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-Hydroxyethyl)piperazine (HEP) is a hygroscopic organic compound widely used as a solvent, chelating agent, and chemical intermediate (for example in the synthesis of the Good's buffer HEPES) in pharmaceuticals, agrochemicals, and industrial formulations. It is also used as a flotation agent in froth flotation separation processes. It functions as a corrosion inhibitor, metal complexing agent, and stabilizer in various chemical processes. CAS 103-76-4, molecular formula C6H14N2O, molecular weight 130.19 g/mol. Classified as Danger (H315, H318). Molekula supplies 1-(2-Hydroxyethyl)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
| Property | Value |
|---|---|
| Appearance | Clear colourless to light yellow viscous liquid |
| Refractive Index | 1.5055 to 1.5075 (20°C, 589 nm) |
| Water | ≤0.5% |
| Assay (GC) | ≥98.0% |
| Appearance (Colour) | May discolour to yellow on storage |
| Identification (IR) | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Flash Point | 135 °C |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90032363 |
| CAS Number | 103-76-4 |
| IUPAC Name | 2-piperazin-1-ylethanol |
| EC Number | 203-142-3 |
| Molecular Formula | C6H14N2O |
| Molecular Weight | 130.19 |
| Exact Mass | 130.1106 |
| SMILES | C1CN(CCN1)CCO |
| InChIKey | WFCSWCVEJLETKA-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H14N2O/c9-6-5-8-3-1-7-2-4-8/h7,9H,1-6H2 |
| PubChem CID | 7677 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29335995 |
| Tariff Code | 2933599590 |
Safety & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H318 Causes serious eye damage
Precautionary statements
- P231 Handle under inert gas
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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-PIPERAZINEETHANOL
- 1-Piperazinethanol
- 2-(1-Piperazinyl)ethanol
- 2-Hydroxyethylpiperazine
- 2-Piperazin-1-ylethanol
- 2-Piperazinoethanol
- 4-(2-Hydroxyethyl)piperazine
- Hydroxyethylpiperazine
- N-(2-Hydroxyethyl)piperazine
- USAF DO-22
Frequently asked questions
What is 1-(2-Hydroxyethyl)piperazine (HEP) commonly used for?
1-(2-Hydroxyethyl)piperazine is primarily used as a chelating agent, solvent, and intermediate in the synthesis of pharmaceuticals, agrochemicals, and corrosion inhibitors.
What is the chemical formula and molecular weight of 1-(2-Hydroxyethyl)piperazine?
The chemical formula is **C6H14N2O**, and the molecular weight is **130.19 g/mol**.
What safety classification does 1-(2-Hydroxyethyl)piperazine have?
It carries a **Signal Word: Danger** due to its hazardous properties, including skin irritation and corrosivity.
What grades or purity levels of 1-(2-Hydroxyethyl)piperazine does Molekula supply?
Molekula supplies **technical grade (98%+ purity)** and **pharmaceutical/analytical grade** upon request—confirm availability for your specific needs.
Can Molekula supply 1-(2-Hydroxyethyl)piperazine in bulk quantities?
Yes, we offer bulk packaging options (e.g., drums, IBCs) for large-scale industrial or research applications—contact us for pricing and lead times.
What documentation is provided with an order of 1-(2-Hydroxyethyl)piperazine?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/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.