Methyl trans-2-methyl-2-pentenoate
Methyl trans-2-methyl-2-pentenoate (CAS: 1567-14-2) is an organic ester with the formula C2H5CH=C(CH3)CO2CH3 and a molecular weight of 128.17 g/mol. This versatile chemical building block finds use in various synthesis applications within the chemical industry. Available at a purity of 99%, it serves as a reliable intermediate for organic synthesis and the development of new chemical entities.

Organic Synthesis Intermediate
Methyl trans-2-methyl-2-pentenoate serves as a valuable intermediate in organic synthesis. Its ester and alkene functionalities allow for diverse chemical transformations.
Building Block for Specialty Chemicals
This compound is employed as a foundational building block for the construction of more complex molecules and specialty chemicals. Its structure is amenable to various derivatizations.
Research and Development
Utilised in R&D settings for exploring new synthetic routes and developing novel chemical compounds. Its properties make it a useful reagent in academic and industrial research.
| Molecular weight | 128.17 |
|---|---|
| Linear formula | C2H5CH=C(CH3)CO2CH3 |
| Assay | 99% |
| Boiling point | 46-47 °C/15 mmHg(lit.) |
| Density | 0.92 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.438(lit.) |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 51 °C / 123.8 °F |
| Transport (UN / ADR) | UN 3272 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 16-27-36/37/39 |
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 Methyl trans-2-methyl-2-pentenoate used for?
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Methyl trans-2-methyl-2-pentenoate is primarily used as an intermediate in organic synthesis and as a building block for specialty chemicals in research and development.
What is the CAS number and formula for Methyl trans-2-methyl-2-pentenoate?
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The CAS number is 1567-14-2, and the chemical formula is C2H5CH=C(CH3)CO2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl trans-2-methyl-2-pentenoate with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should Methyl trans-2-methyl-2-pentenoate be handled safely?
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Methyl trans-2-methyl-2-pentenoate is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, face shields, and chemical-resistant gloves, in a well-ventilated area. Ensure proper storage away from ignition sources.
How is Methyl trans-2-methyl-2-pentenoate shipped or exported?
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As a specialist global supplier, Tech Serve Solutions exports Methyl trans-2-methyl-2-pentenoate according to international shipping regulations for hazardous materials, including UN 3272, Class 3, Packing Group III.
How can I request a quote or sample?
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To request a quote or a sample of Methyl trans-2-methyl-2-pentenoate, please contact our sales department through the website or via direct inquiry.
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