trans-3-Octene
trans-3-Octene (CAS: 14919-01-8) is an acyclic alkene with the molecular formula CH3(CH2)3CH=CHC2H5 and a molecular weight of 112.21 g/mol. This clear, colourless liquid is primarily utilised as a building block in organic synthesis. Its specific double bond position makes it a valuable intermediate for studying reactions like oligomerisation and for the development of specialised organic compounds. Tech Serve Solutions supplies trans-3-Octene with an assay of 98%.

Oligomerization Studies
trans-3-Octene serves as a substrate in research investigating the oligomerisation of alkenes. Its defined double bond position allows for systematic studies on the impact of chain length and isomerism on catalytic conversion rates and product distributions.
Organic Synthesis Intermediate
As an organic building block, trans-3-Octene is employed in the synthesis of more complex organic molecules. Its reactivity as an alkene enables various addition and functionalisation reactions crucial for creating diverse chemical structures.
Chemical Research
This compound is used in laboratory settings for fundamental chemical research, particularly in fields exploring reaction mechanisms, catalysis, and the development of novel materials derived from unsaturated hydrocarbons.
| Molecular weight | 112.21 |
|---|---|
| Linear formula | CH3(CH2)3CH=CHC2H5 |
| Assay | 98% |
| Boiling point | 121-122 °C(lit.) |
| Density | 0.716 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.413(lit.) |
| Vapour pressure | 33 mmHg (37.7 °C) |
| Application | trans-3-Octene has been used to study the effect of double bond position and chain length in a C8 alkene in oligomerization conversion1. |


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 | 14 °C / 57.2 °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 trans-3-Octene used for?
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trans-3-Octene is used in organic synthesis and for studying the effect of double bond position and chain length in alkene oligomerisation reactions. It serves as a valuable building block in chemical research.
What are the CAS number and formula for trans-3-Octene?
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The CAS number for trans-3-Octene is 14919-01-8, and its linear formula is CH3(CH2)3CH=CHC2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-3-Octene with a purity of 98%. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
How should trans-3-Octene be handled safely?
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trans-3-Octene is a highly flammable liquid and vapour (H225) and may be fatal if swallowed and enters airways (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-Octene packed, shipped, and exported?
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trans-3-Octene is shipped according to international regulations for hazardous materials, UN 3295, Class 3, Packing Group II. We handle export documentation and logistics for global supply.
How can I request a quote or sample for trans-3-Octene?
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Please contact our sales team via the website or direct email to request a quotation or to arrange for a sample of trans-3-Octene.
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