3-Buten-1-ol
3-Buten-1-ol (CAS 627-27-0), with the molecular formula CH2=CHCH2CH2OH and a molecular weight of 72.11, is an acyclic alkene and a versatile organic building block. It is primarily employed in chemical synthesis, particularly in studies involving the hydrohydrazination of olefins and the conversion of propargylic acetates to ethers. Its utility lies in its reactive double bond and primary alcohol functional groups, enabling diverse synthetic transformations.
- IUPAC
- Allylcarbinol
- Synonyms
- Allylcarbinol

Organic Synthesis Intermediate
3-Buten-1-ol serves as a key intermediate in organic synthesis. It is utilized in research exploring catalytic reactions, such as the Mn-catalyzed hydrohydrazination of olefins.
Catalysis Research
This compound finds application in studies investigating catalytic processes, including the ferric chloride-catalyzed conversion of propargylic acetates into ethers, showcasing its role in developing new synthetic methodologies.
Building Block for Complex Molecules
As an acyclic alkene with an alcohol functional group, 3-Buten-1-ol is a valuable building block for constructing more complex organic molecules in academic and industrial research settings.
| Molecular weight | 72.11 |
|---|---|
| Linear formula | CH2=CHCH2CH2OH |
| Assay | ≥98.0% (GC) |
| Boiling point | 112-114 °C(lit.) |
| Density | 0.838 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.421(lit.)n20/D 1.422 |
| Application | Employed in a study of the Mn-catalyzed hydrohydrazination of olefins.1 Also used in a study of the conversion of propargylic acetates to ethers cataylzed by ferric chloride.2 |


Hazard statements
- H226Flammable liquid and vapour
- 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, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 33 °C / 91.4 °F |
| Transport (UN / ADR) | UN 1987C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-36 |
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 3-Buten-1-ol used for?
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3-Buten-1-ol is used as an intermediate in organic synthesis, particularly in studies involving the Mn-catalyzed hydrohydrazination of olefins and the ferric chloride-catalyzed conversion of propargylic acetates to ethers.
What are the CAS number and molecular formula for 3-Buten-1-ol?
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The CAS number for 3-Buten-1-ol is 627-27-0, and its molecular formula is CH2=CHCH2CH2OH.
What grade and purity does Tech Serve Solutions supply for 3-Buten-1-ol?
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Tech Serve Solutions supplies 3-Buten-1-ol with an assay of ≥98.0% (GC). This product is intended for laboratory and research use and is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should 3-Buten-1-ol be handled safely?
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3-Buten-1-ol is a flammable liquid and vapour (H226) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle in a well-ventilated area, away from ignition sources, and use appropriate personal protective equipment including eyeshields and chemical-resistant gloves. Refer to the Safety Data Sheet for comprehensive handling information.
How is 3-Buten-1-ol packed and shipped?
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3-Buten-1-ol is packed in accordance with international shipping regulations for hazardous materials. As a UN 1987, Class 3, Packing Group III substance, it is exported by Tech Serve Solutions adhering to all relevant transport guidelines.
How can I request a sample or quote for 3-Buten-1-ol?
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To request a sample or a quote for 3-Buten-1-ol, please contact the Tech Serve Solutions sales team through our website or by phone. Please specify the quantity and your intended application.
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