3-Butyn-1-ol
3-Butyn-1-ol (CAS 927-74-2), a terminal alkyne with the linear formula HC≡CCH₂CH₂OH and a molecular weight of 70.09 g/mol, is a valuable organic building block. Its unique structure, featuring both a triple bond and a primary alcohol, allows for diverse chemical transformations. This compound is primarily utilised in organic synthesis for the preparation of various chemical intermediates and functionalised molecules through reactions like Markovnikov additions.
Organic Synthesis Intermediate
3-Butyn-1-ol serves as a versatile building block in organic chemistry. Its terminal alkyne functionality readily participates in addition reactions, enabling the synthesis of more complex organic molecules.
Preparation of Markovnikov Addition Products
This compound has been documented for its use in preparing Markovnikov addition products, highlighting its utility in regioselective chemical transformations.
Functional Group Transformations
The presence of both an alkyne and a primary alcohol group allows for sequential or selective functional group transformations, making it a useful starting material in multi-step syntheses.
| Molecular weight | 70.09 |
|---|---|
| Linear formula | HC≡CCH2CH2OH |
| Assay | 97% |
| Boiling point | 128.9 °C(lit.) |
| Density | 0.926 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.441(lit.) |
| Application | 3-Butyn-1-ol was used to prepare Markovnikov addition product1. |
| Melting point | −63.6 °C(lit.) |
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 | 36 °C / 96.8 °F |
| Transport (UN / ADR) | UN 1986 3/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| 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 3-Butyn-1-ol used for?
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3-Butyn-1-ol is used as a versatile building block in organic synthesis, particularly for the preparation of Markovnikov addition products and other functionalised molecules.
What is the CAS number and chemical formula for 3-Butyn-1-ol?
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The CAS number for 3-Butyn-1-ol is 927-74-2, and its linear chemical formula is HC≡CCH₂CH₂OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Butyn-1-ol with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3-Butyn-1-ol be handled safely?
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3-Butyn-1-ol is a flammable liquid and vapour (H226), and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, in a well-ventilated area. Avoid sources of ignition.
How is 3-Butyn-1-ol packed, shipped, and exported?
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Tech Serve Solutions offers 3-Butyn-1-ol in various packaging sizes suitable for laboratory and industrial use, adhering to all relevant shipping and export regulations for hazardous materials.
How can I request a sample or quote for 3-Butyn-1-ol?
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To request a sample or a quote for 3-Butyn-1-ol, please contact our sales department through the website or by phone.
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