trans-3-Methyl-2-pentene
trans-3-Methyl-2-pentene (CAS 616-12-6, C6H12) is a volatile, flammable alkene with a molecular weight of 84.16 g/mol. It is a clear, colourless liquid used primarily as a building block in organic synthesis and chemical manufacturing. This acyclic hydrocarbon serves as a valuable intermediate in the preparation of more complex molecules, contributing to advancements in various chemical research and industrial applications.

Organic Synthesis Intermediate
Utilised as a foundational component in multi-step organic syntheses, enabling the construction of complex molecular architectures. Its alkene functionality allows for diverse chemical transformations.
Chemical Research
Employed in laboratory settings for mechanistic studies and the exploration of novel reaction pathways. Serves as a reagent in academic and industrial research and development.
Industrial Chemical Production
Acts as a precursor or reactant in the manufacturing of various industrial chemicals. Its specific structure makes it suitable for targeted chemical production processes.
| Molecular weight | 84.16 |
|---|---|
| Empirical formula | C6H12 |
| Assay | ≥98.0% (GC) |
| Boiling point | 70-72 °C |
| Density | 0.696 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.405 |


Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P301IF SWALLOWED
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -27 °C / -16.6 °F |
| Transport (UN / ADR) | UN 3295BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-65 |
| Safety statements (S) | 9-16-29-33-62 |
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 trans-3-Methyl-2-pentene used for?
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trans-3-Methyl-2-pentene is used as a building block in organic synthesis and chemical research.
What is the CAS number and formula for trans-3-Methyl-2-pentene?
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The CAS number is 616-12-6 and the formula is C6H12.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-3-Methyl-2-pentene with a purity of ≥98.0% (GC). This is a technical/research grade and TSS does not represent it as USP/BP/EP.
How should trans-3-Methyl-2-pentene be handled safely?
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trans-3-Methyl-2-pentene is highly flammable (flash point -27 °C) and can be fatal if swallowed and enters airways (H225, H304). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area away from ignition sources.
How is trans-3-Methyl-2-pentene shipped and exported?
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trans-3-Methyl-2-pentene is shipped according to regulations for flammable liquids (UN 3295BE 3 / PGII) and is available for export globally by Tech Serve Solutions.
How can I request a sample or quote for trans-3-Methyl-2-pentene?
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To request a sample or quote, please contact our sales team through the website or by phone, providing your specific requirements.
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