4-Diethylamino-2-butyn-1-ol
4-Diethylamino-2-butyn-1-ol (CAS 10575-25-4) is a tertiary amino alcohol with the linear formula (CH3CH2)2NCH2C≡CCH2OH and a molecular weight of 141.21 g/mol. This compound is valuable as a building block in organic synthesis and chemical research. It is a clear liquid that serves as a versatile intermediate for the development of more complex molecules within various chemical sectors.

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of diverse organic compounds. Its unique structure, featuring both a tertiary amine and a propargylic alcohol moiety, allows for a range of chemical transformations.
Research and Development
Employed in laboratory settings for exploring novel chemical reactions and developing new materials. Serves as a starting material or intermediate in academic and industrial R&D projects focused on fine chemicals.
Pharmaceutical Intermediates
Potential application as an intermediate in the synthesis pathways for pharmaceutical agents. Its functional groups can be elaborated to construct complex molecular scaffolds relevant to drug discovery.
| Molecular weight | 141.21 |
|---|---|
| Linear formula | (CH3CH2)2NCH2C≡CCH2OH |
| Assay | 97% |
| Boiling point | 231-232 °C(lit.) |
| Density | 0.952 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.479(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 104 °C / 219.2 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4-Diethylamino-2-butyn-1-ol used for?
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4-Diethylamino-2-butyn-1-ol (CAS 10575-25-4) is primarily used as a building block in organic synthesis and for research and development purposes, potentially as an intermediate in pharmaceutical synthesis.
What is the CAS number and formula for 4-Diethylamino-2-butyn-1-ol?
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The CAS number is 10575-25-4, and the linear formula is (CH3CH2)2NCH2C≡CCH2OH.
What grade and purity does Tech Serve Solutions supply for 4-Diethylamino-2-butyn-1-ol?
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Tech Serve Solutions supplies 4-Diethylamino-2-butyn-1-ol with an assay of 97%. This product is supplied for research and development purposes and is not represented as meeting USP, BP, EP, or other pharmacopoeia standards.
How should 4-Diethylamino-2-butyn-1-ol be handled safely?
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This compound is a Warning substance (GHS07) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, ensuring adequate ventilation.
Is 4-Diethylamino-2-butyn-1-ol available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Diethylamino-2-butyn-1-ol, shipped worldwide.
How can I request a sample or quote for 4-Diethylamino-2-butyn-1-ol?
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To request a sample or quote, please contact our sales department via the website or designated customer service channels, providing your specific requirements.
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