2,3-Butadien-1-ol
2,3-Butadien-1-ol (CAS: 18913-31-0), with the molecular formula C4H6O and a molecular weight of 70.09 g/mol, is an organic compound belonging to the allene family. This versatile molecule serves as a valuable building block in organic synthesis. Its primary applications lie in the precise construction of more complex molecular architectures within research and development settings, contributing to advancements in various chemical fields.
- IUPAC
- 1,2-Butadien-4-ol,4-Hydroxy-1,2-butadiene,Hydroxymethylallene
- Synonyms
- C4H6O1,2-Butadien-4-ol4-Hydroxy-1,2-butadieneHydroxymethylallene

Organic Synthesis Intermediate
2,3-Butadien-1-ol is utilised as a key intermediate in the synthesis of diverse organic compounds. Its allene structure allows for unique reactivity pathways, making it useful in the creation of novel molecules.
Building Block for Complex Molecules
As an organic building block, this compound is instrumental in constructing intricate molecular frameworks. Researchers employ it in multi-step syntheses across pharmaceutical and materials science disciplines.
Research and Development
This chemical is employed in laboratory settings for fundamental research, exploring new synthetic methodologies and discovering novel chemical entities. Its specific structure offers unique opportunities for chemical innovation.
| Molecular weight | 70.09 |
|---|---|
| Empirical formula | C4H6O |
| Assay | 95% |
| Density | 0.919 g/mL at 25 °C |
| Refractive index | n20/D 1.477 |
| Storage temperature | 2-8°C |


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
| Flash point | 42 °C / 107.6 °F |
|---|---|
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 26-39 |
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 2,3-Butadien-1-ol used for?
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2,3-Butadien-1-ol is primarily used as an intermediate and building block in organic synthesis for the construction of complex molecules in research and development settings.
What is the CAS number and molecular formula for 2,3-Butadien-1-ol?
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The CAS number for 2,3-Butadien-1-ol is 18913-31-0, and its molecular formula is C4H6O.
What grade and purity does Tech Serve Solutions supply for 2,3-Butadien-1-ol?
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Tech Serve Solutions supplies 2,3-Butadien-1-ol with an assay of 95%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,3-Butadien-1-ol be handled and stored?
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2,3-Butadien-1-ol is a flammable liquid and vapour (H226) and can cause skin (H315), eye (H319), and respiratory irritation (H335). It should be stored at 2-8°C in a well-ventilated area, away from ignition sources. Always use appropriate personal protective equipment.
How is 2,3-Butadien-1-ol packed and shipped?
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2,3-Butadien-1-ol is packed and shipped according to relevant regulations for flammable liquids, including UN 1993 classification. We export globally, ensuring compliance with international shipping standards.
How can I request a quote or sample for 2,3-Butadien-1-ol?
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To request a quote or sample of 2,3-Butadien-1-ol, please contact our sales team via the website or by phone, providing your specific requirements.
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