Cycloheptatriene
Cycloheptatriene (CAS: 544-25-2, C7H8) is a cyclic hydrocarbon with a molecular weight of 92.14 g/mol. This unsaturated compound is a valuable building block in organic synthesis. It is primarily utilised in research and development settings for the creation of novel chemical entities and complex molecular structures. Cycloheptatriene serves as a versatile reagent in various chemical transformations and is an important intermediate for further chemical derivatisation.

Organic Synthesis Reagent
Cycloheptatriene serves as a key starting material or intermediate in the synthesis of diverse organic compounds. Its reactivity allows for various chemical transformations, enabling the construction of complex molecular architectures.
Research and Development
This compound is frequently employed in academic and industrial research laboratories. It is used to explore new reaction pathways, develop novel catalysts, and synthesise compounds with potential pharmaceutical or material science applications.
Ligand Synthesis
Cycloheptatriene derivatives can be used in the synthesis of ligands for organometallic chemistry. These ligands are crucial for developing new catalytic systems with tailored properties.
| Molecular weight | 92.14 |
|---|---|
| Empirical formula | C7H8 |
| Assay | 95% |
| Grade | purum |
| Boiling point | 116-117 °C(lit.) |
| Density | 0.888 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.519(lit.) |
| Storage temperature | 2-8°C |



Hazard statements
- H225Highly flammable liquid and vapour
- H301Toxic if swallowed
- 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
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P312Call a POISON CENTER if you feel unwell
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 3 °C / 37.4 °F |
| Transport (UN / ADR) | UN 2603 3/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,T |
| Risk statements (R) | 11-25-36/37/38-65 |
| Safety statements (S) | 16-26-45-62 |
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 Cycloheptatriene used for?
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Cycloheptatriene is used as a versatile building block and reagent in organic synthesis, particularly in research and development for creating complex molecules and exploring new chemical transformations.
What is the CAS number and formula for Cycloheptatriene?
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The CAS number for Cycloheptatriene is 544-25-2, and its chemical formula is C7H8.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cycloheptatriene with a purity of 95% (grade: purum). We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product specifications.
How should Cycloheptatriene be handled safely?
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Cycloheptatriene is a highly flammable liquid and vapour, toxic if swallowed or in contact with skin, and can cause skin irritation, serious eye irritation, and respiratory irritation. It is also fatal if swallowed or enters airways. Handle with appropriate personal protective equipment, including eye protection, gloves, and a suitable respirator, in a well-ventilated area away from ignition sources. Refer to the Safety Data Sheet for comprehensive handling instructions.
Is Cycloheptatriene a controlled substance?
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The provided safety data does not indicate that Cycloheptatriene is a controlled substance under standard regulations. However, users should always verify local regulations.
How is Cycloheptatriene packed and exported?
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Tech Serve Solutions packs and exports chemicals in compliance with all relevant international shipping and safety regulations. Specific packaging details will be confirmed upon order.
How can I request a quote or sample for Cycloheptatriene?
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To request a quote or sample for Cycloheptatriene, please contact our sales department through the website or by phone, providing your contact details and requirements.
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