3-Buten-2-one
3-Buten-2-one (CAS 78-94-4), with the linear formula CH2=CHCOCH3 and a molecular weight of 70.09 g/mol, is a reactive unsaturated ketone. It serves as a versatile building block in organic synthesis, particularly in the preparation of more complex molecules. Its applications span various chemical research and development sectors, where its carbonyl and vinyl functionalities can be leveraged for addition and polymerization reactions. This compound is supplied by TSS with a minimum assay of 90%.
- IUPAC
- Methyl vinyl ketone,Vinyl methyl ketone
- Synonyms
- Methyl vinyl ketoneVinyl methyl ketone
Organic Synthesis Intermediate
3-Buten-2-one is a valuable intermediate for constructing carbon skeletons. Its conjugated system allows for participation in Michael additions and Diels-Alder reactions, enabling the synthesis of diverse cyclic and acyclic compounds.
Polymerisation Reactions
The vinyl group present in 3-Buten-2-one allows it to act as a monomer or co-monomer in polymerisation processes. This can lead to the formation of polymers with specific properties for material science applications.
Research and Development
This compound is frequently utilised in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities.
| Molecular weight | 70.09 |
|---|---|
| Linear formula | CH2=CHCOCH3 |
| Assay | 90% |
| Grade | purum |
| Boiling point | 34 °C/120 mmHg(lit.) |
| Density | 0.864 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.411(lit.) |
| Vapour pressure | 310 mmHg (55 °C)71 mmHg (20 °C) |
| Vapour density | 1.3 (vs air) |
| Storage temperature | 2-8°C |
| Contains / stabiliser | 0.3-1.0% hydroquinone as stabilizer |
| Impurities tested | <7% water |
Hazard statements
- H225Highly flammable liquid and vapour
- H300Fatal if swallowed
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -7 °C / 19.4 °F |
| Transport (UN / ADR) | UN 1251 8(3;6.1)71 mmHg (20 °C) |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,T+,N |
| Risk statements (R) | 11-26/27/28-34-43-50/53 |
| Safety statements (S) | 16-26-28-36/37/39-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 15.64 % |
|---|
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-2-one used for?
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3-Buten-2-one is primarily used as a building block in organic synthesis and for polymerisation reactions in research and development settings.
What is the CAS number and formula for 3-Buten-2-one?
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The CAS number for 3-Buten-2-one is 78-94-4, and its linear formula is CH2=CHCOCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Buten-2-one with a minimum assay of 90% and a grade of purum. It is not represented as USP, BP, or EP grade.
How should 3-Buten-2-one be handled safely?
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3-Buten-2-one is a highly flammable liquid and vapour, toxic if swallowed, in contact with skin, or if inhaled, and causes severe skin burns and eye damage. It may also cause an allergic skin reaction and is very toxic to aquatic life with long lasting effects. Handle with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, in a well-ventilated area, and store at 2-8°C.
How is 3-Buten-2-one packaged and exported?
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3-Buten-2-one is exported in compliance with all relevant international shipping regulations for hazardous materials. Packaging details can be provided upon request.
How can I request a quote or sample?
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To request a quote or sample of 3-Buten-2-one, please contact our sales team via the website or by phone.
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