4-Methyl-1-hexene
4-Methyl-1-hexene (CAS: 3769-23-1), with the molecular formula C7H14 and a molar mass of 98.19 g/mol, is a branched alkene. It is a flammable liquid utilized in organic synthesis and as a building block in the chemical industry. Its acyclic structure and terminal double bond make it a versatile intermediate for various chemical transformations and polymer research.

Organic Synthesis Intermediate
4-Methyl-1-hexene serves as a key intermediate in the synthesis of more complex organic molecules. Its terminal alkene functionality allows for participation in a wide range of addition reactions, useful for creating novel chemical structures.
Polymer Research
This compound can be employed in polymerization studies due to its olefinic nature. It acts as a monomer or co-monomer in the development of specialized polymers and materials.
Building Block in Chemical Synthesis
As a readily available C7 building block, 4-Methyl-1-hexene provides a convenient starting point for introducing specific branched alkyl chains into target molecules across diverse chemical research fields.
| Molecular weight | 98.19 |
|---|---|
| Linear formula | CH3CH2CH(CH3)CH2CH=CH2 |
| Assay | ≥98.0% (GC) |
| Boiling point | 86-88 °C(lit.) |
| Density | 0.705 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.401 |


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 | -10 °C / 14 °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) | 16-62 |
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 4-Methyl-1-hexene used for?
+
4-Methyl-1-hexene is primarily used as an intermediate in organic synthesis and as a building block for creating more complex chemical structures. It is also utilised in polymer research and development.
What is the CAS number and formula for 4-Methyl-1-hexene?
+
The CAS number for 4-Methyl-1-hexene is 3769-23-1, and its molecular formula is C7H14.
What grade and purity does Tech Serve Solutions supply for 4-Methyl-1-hexene?
+
Tech Serve Solutions supplies 4-Methyl-1-hexene with a purity of ≥98.0% as determined by GC. We do not represent this product as USP, BP, or EP grade.
How should 4-Methyl-1-hexene be handled safely?
+
4-Methyl-1-hexene is a highly flammable liquid and vapour (H225) and may be fatal if swallowed and enters airways (H304). Handling requires stringent safety precautions, including avoiding ignition sources, using appropriate personal protective equipment such as eyeshields and gloves, and ensuring adequate ventilation. Refer to the Safety Data Sheet for comprehensive guidance.
Is 4-Methyl-1-hexene a controlled substance?
+
The provided data does not indicate that 4-Methyl-1-hexene is a controlled substance.
How is 4-Methyl-1-hexene packed, shipped, and exported?
+
4-Methyl-1-hexene is shipped as UN 3295, Class 3, Packing Group II, indicating it is transported as a flammable liquid. For specific packing and export details, please contact our sales team.
How can I request a quote or sample for 4-Methyl-1-hexene?
+
To request a quote or a sample of 4-Methyl-1-hexene, please contact the Tech Serve Solutions sales department via our website or by phone, providing your specific requirements.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis