1-Penten-3-one
1-Penten-3-one (CAS: 1629-58-9), with the linear formula C2H5COCH=CH2 and a molar mass of 84.12 g/mol, is a valuable organic building block. This ketone, also known as ethyl vinyl ketone, serves as a reagent in chemical synthesis, particularly for annulation reactions. Its utility extends to research and development laboratories requiring versatile carbonyl compounds for complex molecular construction.
- IUPAC
- Ethyl vinyl ketone
- Synonyms
- Ethyl vinyl ketone
Annulation Reactions
1-Penten-3-one acts as a key reagent in various annulation reactions. It enables the formation of cyclic structures, providing synthetic pathways for complex organic molecules.
Organic Synthesis
As a functionalised ketone, it is employed in diverse organic synthesis strategies. Its reactivity profile makes it suitable for introducing specific structural motifs into target compounds.
Laboratory Reagent
This compound is utilised in research and development settings as a building block. Its properties facilitate exploration in medicinal chemistry and materials science.
| Molecular weight | 84.12 |
|---|---|
| Linear formula | C2H5COCH=CH2 |
| Assay | 97% |
| Boiling point | 38 °C/60 mmHg(lit.) |
| Density | 0.851 g/mL at 20 °C0.845 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.419(lit.) |
| Storage temperature | −20°C |
| Contains / stabiliser | 0.1% BHT as stabilizer |
| Application | Reagent for annulation.1 |
Hazard statements
- H225Highly flammable liquid and vapour
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -10 °C / 14 °F |
| Transport (UN / ADR) | UN 3286 3/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,T |
| Risk statements (R) | 11-23/24/25-34 |
| Safety statements (S) | 16-26-36/37/39-45 |
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-Penten-3-one used for?
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1-Penten-3-one is primarily used as a reagent for annulation reactions and as a general building block in organic synthesis and laboratory research.
What are the CAS number and chemical formula for 1-Penten-3-one?
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The CAS number for 1-Penten-3-one is 1629-58-9, and its linear chemical formula is C2H5COCH=CH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Penten-3-one with a minimum assay of 97%. This product is suitable for research and general laboratory applications and is not supplied as USP, BP, EP, or any pharmacopoeia grade.
How should 1-Penten-3-one be handled safely?
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1-Penten-3-one is a highly flammable liquid and vapour and is toxic if swallowed, in contact with skin, or if inhaled. It causes severe skin burns and eye damage. Handle with extreme caution in a well-ventilated area, using appropriate personal protective equipment including gloves, goggles, and respiratory protection. Store at -20°C away from ignition sources.
How is 1-Penten-3-one packed and exported?
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1-Penten-3-one is carefully packed to meet international shipping regulations and is available for global export by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or a sample of 1-Penten-3-one, please contact our sales team through the website or by phone.
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