3-Methyl-2-pentene, mixture of cis and trans
3-Methyl-2-pentene (CAS: 922-61-2) is an unsaturated hydrocarbon with the linear formula C2H5C(CH3)=CHCH3 and a molecular weight of 84.16 g/mol. This acyclic alkene exists as a mixture of cis and trans isomers. It is primarily utilised in research settings, notably in studies concerning the photosensitised oxidation of trialkylalkenes within the internal framework of Na-ZSM-5 zeolites. TSS supplies this compound at a 98% purity.
- Synonyms
- C2H5C(CH3)=CHCH32-Pentene, 3-methyl-

Photosensitized Oxidation Studies
Used in research to investigate the mechanisms of photosensitised oxidation reactions involving trialkylalkenes. Specific applications include studies within the framework of Na-ZSM-5 zeolites.
Organic Synthesis Building Block
Serves as a versatile building block in organic synthesis, offering a reactive alkene functional group for various chemical transformations and the construction of more complex molecules.
Chemical Research Reagent
Employed as a reagent in laboratory settings for experimental research and development, particularly in areas of organic chemistry and materials science.
| Molecular weight | 84.16 |
|---|---|
| Linear formula | C2H5C(CH3)=CHCH3 |
| Assay | 98% |
| Boiling point | 69 °C(lit.) |
| Density | 0.698 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.404(lit.) |
| Application | 3-Methyl-2-pentene (mixture of cis and trans) is used in the study of photosensitized oxidation of trialkylalkenes in the internal framework of Na-ZSM-5 zeolites1. |


Hazard statements
- H225Highly flammable liquid and vapour
- 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
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -7 °C / 19.4 °F |
| Transport (UN / ADR) | UN 3295BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-36/37/39 |
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 3-Methyl-2-pentene used for?
+
3-Methyl-2-pentene (CAS: 922-61-2) is used in research, particularly in studies of photosensitised oxidation of trialkylalkenes within Na-ZSM-5 zeolites, and as a general building block in organic synthesis.
What is the CAS number and formula for 3-Methyl-2-pentene?
+
The CAS number for 3-Methyl-2-pentene is 922-61-2. Its linear formula is C2H5C(CH3)=CHCH3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3-Methyl-2-pentene with an assay of 98%. TSS does not represent this product as USP, BP, or EP grade.
How should 3-Methyl-2-pentene be handled safely?
+
3-Methyl-2-pentene is highly flammable and can cause skin, eye, and respiratory irritation. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area, away from ignition sources. Refer to the Safety Data Sheet for comprehensive handling information.
How is 3-Methyl-2-pentene packed, shipped, and exported?
+
3-Methyl-2-pentene is packed and shipped according to relevant transport regulations, such as UN 3295BF 3 / PGII. Tech Serve Solutions is experienced in exporting chemicals globally.
How can I request a sample or quote for 3-Methyl-2-pentene?
+
To request a sample or a quotation for 3-Methyl-2-pentene, please contact the Tech Serve Solutions sales team via our website or by phone.
▶ 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