Cycloheptatriene
Pharmaceutical Materials 2025-03-02
CAS Number: 544-25-2
Molecular Formula: C7H8
Molecular Weight: 92.14 g/mol
Appearance: Colorless to dark yellow liquid
Melting Point: -79.5°C
Boiling Point: 116-117°C
Density: 0.888 g/mL at 25°C
Flash Point: 80°F (approx.)
Usage: Used as a chemical intermediate.
| Category | Information |
|---|---|
| Basic Information | |
| Name | Cycloheptatriene |
| CAS Number | 544-25-2 |
| Other Names | 1.3.5-Cycloheptatriene; CHT; Tropilidene, etc. |
| Chemical Formula | C7H8 |
| Molecular Weight | 92.14 g/mol |
| Physical Properties | |
| Physical State | Colorless to pale orange to yellow liquid |
| Odor | Odorless (may vary based on purity and handling) |
| Density | 0.888 g/mL at 25°C |
| Melting Point | -79.5°C |
| Boiling Point | 116-117°C |
| Refractive Index | 1.519 at 20°C |
| Flash Point | 80°F (27°C) (approx.) |
| Solubility | Insoluble in water; Soluble in ethanol, ether, and highly soluble in benzene and chloroform |
| Chemical Characteristics | |
| Chemical Reactivity | Highly reactive |
| Stability | Stable under normal storage and usage conditions |
| Hazard Classification | Flammable liquid; Acute oral toxicity; Skin irritation; Eye irritation; Respiratory irritation |
| Applications | |
| Industrial Use | Used as a cleaning agent in printing machines |
| Organic Chemistry | Used as a ligand in organometallic chemistry and as an intermediate in organic synthesis |
| Safety Information | |
| Risk Statements | H301 (Toxic if swallowed); H311 (Toxic in contact with skin); H315 (Causes skin irritation); H319 (Causes serious eye irritation); H335 (May cause respiratory irritation) |
| Safety Statements | S26 (In case of contact with eyes, rinse immediately with plenty of water and seek medical advice); S36/37/39 (Wear suitable protective clothing, gloves, and eye/face protection) |
| Storage Conditions | Store in a cool, dry place away from oxidants and keep the container tightly closed. |
Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.
