1-Amino-4-(2-hydroxyethyl)piperazine
1-Amino-4-(2-hydroxyethyl)piperazine (CAS: 3973-70-4, C6H15N3O) is a versatile heterocyclic compound with a molecular weight of 145.20 g/mol. Characterised by its piperazine ring functionalised with both an amino and a hydroxyethyl group, it serves as a valuable building block in organic synthesis. This chemical is primarily utilised in the development of novel compounds across various research and development sectors, including pharmaceuticals and material science.
- IUPAC
- 4-Amino-1-piperazineethanol

Organic Synthesis Intermediate
This compound acts as a key intermediate in the synthesis of more complex organic molecules. Its difunctional nature allows for diverse reaction pathways, making it useful in the construction of novel chemical entities.
Pharmaceutical Research
It finds application in the research and development of potential pharmaceutical agents. The piperazine core is a common scaffold in many biologically active compounds, suggesting its utility in medicinal chemistry programmes.
Material Science
The chemical structure of 1-Amino-4-(2-hydroxyethyl)piperazine lends itself to potential applications in material science, such as in the synthesis of polymers or functionalised materials where its specific functional groups can be exploited.
| Molecular weight | 145.20 |
|---|---|
| Empirical formula | C6H15N3O |
| Assay | 96% |
| Melting point | 105-107 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1-Amino-4-(2-hydroxyethyl)piperazine used for?
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1-Amino-4-(2-hydroxyethyl)piperazine is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and development and potentially in material science.
What is the CAS number and formula for 1-Amino-4-(2-hydroxyethyl)piperazine?
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The CAS number is 3973-70-4 and the empirical formula is C6H15N3O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Amino-4-(2-hydroxyethyl)piperazine with an assay of 96%. We do not represent this product as USP, BP, or EP grade.
What are the main hazards associated with 1-Amino-4-(2-hydroxyethyl)piperazine?
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This compound is a Warning according to GHS, with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, such as a dust mask (N95), eyeshields, and gloves, should be used.
How is 1-Amino-4-(2-hydroxyethyl)piperazine packed and shipped?
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Tech Serve Solutions, a specialist global supplier and exporter since 1998, carefully packs and ships chemicals in compliance with all relevant regulations.
How can I request a quote or sample?
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To request a quote or sample of 1-Amino-4-(2-hydroxyethyl)piperazine, please contact our sales team through the website or by phone.
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