1,7-Octadiene
1,7-Octadiene (CAS: 3710-30-3) is a straight-chain alkene with the molecular formula C8H14 and a molar mass of 110.20 g/mol. This acyclic diene is a valuable building block in organic synthesis. It is employed in chemical research, particularly in studies involving olefin ring-closing metathesis and the preparation of micropatterned surfaces via plasma polymerisation. Supplied by Tech Serve Solutions with an assay of 98%, it meets the needs of various research and development applications.
- Synonyms
- CH2=CH(CH2)4CH=CH2

Olefin Ring-Closing Metathesis Studies
1,7-Octadiene has been utilised in scientific investigations to evaluate the structural characteristics and reaction rates associated with olefin ring-closing metathesis. This research contributes to a deeper understanding of alkene transformations.
Plasma Polymerisation for Surface Modification
This diene serves as a component in studies exploring the creation of micropatterned surfaces through plasma polymerisation techniques. Such surfaces find applications in advanced materials science and engineering.
Organic Synthesis Building Block
As an acyclic diene, 1,7-Octadiene is a versatile building block for constructing more complex organic molecules. Its terminal double bonds offer reactive sites for various synthetic pathways.
| Molecular weight | 110.20 |
|---|---|
| Linear formula | CH2=CH(CH2)4CH=CH2 |
| Assay | 98% |
| Boiling point | 114-121 °C(lit.) |
| Density | 0.746 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.422(lit.) |
| Application | 1,7-Octadiene has been used in a study to assess the structure and reaction rate in olefin ring-closing metathesis of a series of simple dienes. 1 It has also been used in a study to investigate micropatterned surfaces prepared by plasma polymerization. 2 |


Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P273Avoid release to the environment
- 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 / 50 °F |
| Transport (UN / ADR) | UN 2309 3 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-52/53-65 |
| Safety statements (S) | 16-61-62 |
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 1,7-Octadiene used for?
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1,7-Octadiene is used in research for olefin ring-closing metathesis studies and in investigations of micropatterned surfaces prepared by plasma polymerisation. It also serves as a general building block in organic synthesis.
What is the CAS number and chemical formula for 1,7-Octadiene?
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The CAS number for 1,7-Octadiene is 3710-30-3, and its linear formula is CH2=CH(CH2)4CH=CH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,7-Octadiene with an assay of 98%. This is a technical/research grade; we do not represent it as USP, BP, EP, or any pharmacopoeia grade.
How should 1,7-Octadiene be handled safely?
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1,7-Octadiene is a flammable liquid and vapour (H225) and may be fatal if swallowed or enters airways (H304). It is also harmful to aquatic life with long-lasting effects (H412). Handle with appropriate personal protective equipment, including eyeshields and gloves, in a well-ventilated area, away from ignition sources. Always consult the Safety Data Sheet (SDS) before use.
How is 1,7-Octadiene exported and shipped?
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1,7-Octadiene is classified under UN 2309, Hazard Class 3, Packing Group II. Tech Serve Solutions is an experienced global supplier and exporter, adhering to all necessary regulations for international shipping.
How can I request a sample or quote for 1,7-Octadiene?
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To request a sample or a quote for 1,7-Octadiene, please contact our sales team through the website or by phone. Our specialists will be pleased to assist you with your inquiry.
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