trans-4-Methyl-2-pentene
trans-4-Methyl-2-pentene (CAS 674-76-0, C6H12, MW 84.16) is an acyclic alkene with a distinct chemical character. This organic building block is primarily utilised in chemical synthesis and research applications. Its specific properties make it a valuable intermediate in the development of more complex organic molecules. Tech Serve Solutions supplies this compound for laboratory and industrial research purposes.

Organic Synthesis
Used as a versatile building block in organic chemistry for the synthesis of various carbon-based compounds. Its alkene functionality allows for diverse addition reactions.
Research and Development
Employed in laboratory settings for exploratory research into new chemical pathways and material science. Facilitates the study of alkene reactivity and polymerisation.
Intermediate Chemical
Serves as an intermediate in the production of fine chemicals and specialty organic compounds. Its structure can be modified to yield different functional groups.
| Molecular weight | 84.16 |
|---|---|
| Empirical formula | C6H12 |
| Assay | ≥90% (GC) |
| Density | 0.686 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.392 |



Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
- 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 3295BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-36/37/38-65 |
| Safety statements (S) | 16-26-36-62 |
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-4-Methyl-2-pentene used for?
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trans-4-Methyl-2-pentene is used in organic synthesis as a building block and in research and development for chemical studies.
What are the CAS number and formula for trans-4-Methyl-2-pentene?
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The CAS number is 674-76-0 and the molecular formula is C6H12.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-4-Methyl-2-pentene with an assay of ≥90% (GC). We do not represent this product as USP, BP, EP or other pharmacopoeia grades.
How should trans-4-Methyl-2-pentene be handled safely?
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trans-4-Methyl-2-pentene is a highly flammable liquid and vapour (H225) and may be fatal if swallowed and enters airways (H304). It can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, should be used. Handle in a well-ventilated area away from ignition sources.
How is trans-4-Methyl-2-pentene packaged and exported?
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This product is shipped according to international regulations for hazardous materials, including UN 3295 BE 3 / PG II classification. TSS is experienced in global export.
How can I request a sample or quote?
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To request a sample or a quotation, please contact the Tech Serve Solutions sales team via our website or direct contact details.
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