Methyl 3-butenoate
Methyl 3-butenoate (CAS: 3724-55-8) is an organic compound with the linear formula CH₂=CHCH₂COOCH₃ and a molecular weight of 100.12 g/mol. This ester serves as a versatile building block in organic synthesis, particularly in reactions involving the functionalisation of alkenes and esters. Its utility spans various chemical research and development sectors.
- IUPAC
- Methyl vinylacetate
- Synonyms
- Methyl vinylacetate

Organic Synthesis Intermediate
Methyl 3-butenoate is employed as a key intermediate in the synthesis of more complex organic molecules. Its reactive double bond and ester functionality allow for diverse chemical transformations.
Research and Development
Utilised in laboratory settings for exploring new synthetic pathways and developing novel compounds. It is a valuable reagent for academic and industrial research.
Building Block for Specialty Chemicals
The compound acts as a foundational component in the construction of specialty chemicals, contributing unique structural elements to target molecules.
| Molecular weight | 100.12 |
|---|---|
| Linear formula | CH2=CHCH2COOCH3 |
| Assay | ≥95.0% (GC) |
| Grade | purum |
| Boiling point | 112 °C(lit.) |
| Density | 0.939 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.409(lit.)n20/D 1.409 |

Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 20 °C / 68 °F |
| Transport (UN / ADR) | UN 3272 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16 |
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 Methyl 3-butenoate used for?
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Methyl 3-butenoate is used as an intermediate in organic synthesis and as a building block in chemical research and development for creating complex organic molecules.
What is the CAS number and formula for Methyl 3-butenoate?
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The CAS number for Methyl 3-butenoate is 3724-55-8, and its linear formula is CH₂=CHCH₂COOCH₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 3-butenoate with a purity of ≥95.0% (GC), as indicated by the 'purum' grade. This product is not represented as USP, BP, or EP grade.
How is Methyl 3-butenoate safely handled?
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Methyl 3-butenoate is a flammable liquid and vapour (H225). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Ensure adequate ventilation and keep away from ignition sources.
Is Methyl 3-butenoate exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Methyl 3-butenoate.
How can I request a sample or quote for Methyl 3-butenoate?
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Please contact the Tech Serve Solutions sales team via our website or direct contact details to request a sample or a quotation for Methyl 3-butenoate.
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