3-Methyl-1-pentene
3-Methyl-1-pentene (CAS: 760-20-3), a volatile branched alkene with the molecular formula C6H12, is supplied by Tech Serve Solutions. This organic compound serves as a valuable building block in chemical synthesis. Its primary documented application involves its use in studying reaction kinetics, specifically the rate constant of chlorine atom reactions. Available in high purity, it is suitable for various research and industrial applications.

Chemical Synthesis
3-Methyl-1-pentene is a six-carbon alkene that functions as a versatile building block for organic synthesis. Its reactive double bond allows for various addition reactions, making it useful in the preparation of more complex molecules.
Kinetic Studies
This compound has been employed in research to determine the rate constant of reactions involving chlorine atoms. Understanding such reaction rates is crucial in fields like atmospheric chemistry and combustion processes.
Research Reagent
As a readily available alkene, 3-Methyl-1-pentene is utilised in academic and industrial research laboratories for exploring novel synthetic pathways and for developing new chemical methodologies.
| Molecular weight | 84.16 |
|---|---|
| Linear formula | CH3CH2CH(CH3)CH=CH2 |
| Assay | 99% |
| Boiling point | 54 °C(lit.) |
| Density | 0.67 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.384(lit.) |
| Vapour pressure | 436 mmHg (37.7 °C) |
| Melting point | −154 °C(lit.) |
| Application | 3-Methyl-1-pentene has been used to study the rate constant of chlorine atom1. |


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) |
|---|---|
| Flash point | -27 °C / -16.6 °F |
| Transport (UN / ADR) | UN 3295BF 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 3-Methyl-1-pentene used for?
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3-Methyl-1-pentene is primarily used as a building block in organic synthesis and has been employed in studies to determine the rate constant of chlorine atom reactions.
What are the CAS number and chemical formula for 3-Methyl-1-pentene?
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The CAS number for 3-Methyl-1-pentene is 760-20-3, and its chemical formula is C6H12.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methyl-1-pentene with an assay of 99%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 3-Methyl-1-pentene be handled safely?
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3-Methyl-1-pentene is a highly flammable liquid and vapour (H225) and may be fatal if swallowed and enters airways (H304). It requires handling with extreme caution, ensuring adequate ventilation, avoiding ignition sources, and using appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection.
How is 3-Methyl-1-pentene shipped or exported?
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3-Methyl-1-pentene is shipped as a UN 3295, Class 3, Packing Group II hazardous material, requiring specialised packaging and adherence to international transport regulations.
How can I request a sample or quote for 3-Methyl-1-pentene?
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To request a sample or a quotation for 3-Methyl-1-pentene, please contact the Tech Serve Solutions sales team through our website or by phone.
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