14098-24-9
Benzo-18-crown-6
CAS: 14098-24-9
Molecular Formula: C16H24O6
14098-24-9 - Names and Identifiers
14098-24-9 - Physico-chemical Properties
| Molecular Formula | C16H24O6 |
| Molar Mass | 312.36 |
| Density | 1.1858 (rough estimate) |
| Melting Point | 42-45 °C (lit.) |
| Boling Point | 412.28°C (rough estimate) |
| Flash Point | >230°F |
| Solubility | very faint turbidity in Methanol |
| Vapor Presure | 6.31E-08mmHg at 25°C |
| Appearance | White to white-like powder or crystal |
| Color | Clear colorless |
| BRN | 1626123 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Hygroscopic |
| Refractive Index | 1.4795 (estimate) |
| MDL | MFCD00062741 |
| Physical and Chemical Properties | Melting point 40-45°C |
14098-24-9 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3 |
| HS Code | 29329985 |
| Hazard Class | IRRITANT |
14098-24-9 - Reference
| Reference Show more | 1. Liang Hai Wang Wanting Liu Haiyan et al. Response Surface Methodology Optimization of Synthesis Process of Sodium Thiocyanate [J]. Synthetic Fiber Industrial 2019 042(005):46-50. |
14098-24-9 - Reference Information
| Overview | Benzo -18-crown -6-ether is also called benzo -18-crown -6 ether, benzo -18-crown -6 ether is a very important crown ether compound. In July 1967, Dr. Pedersen of DuPont Chemical Company in the United States discovered a macrocyclic polyether compound, and found that the solubility of this compound in methanol was significantly increased in the presence of sodium hydroxide. This phenomenon caused the Pedersen to treat macrocyclic polyether In further research, he discovered that this type of macrocyclic polyether compound is characterized by the formation of stable complexes of alkali metals and alkaline earth metal salts that can be dissolved in organic solvents. He called macrocyclic polyether compounds with complex metal ion characteristics as crown ether compounds. Since then, crown ether compounds have made great progress, and the types of crown ethers have also made many new discoveries, such as benzocrown ethers, dibenzocrown ethers, azacrown ethers, thiocrown ethers, etc. The application of crown ethers has also been developed for a long time, especially in coordination and phase transfer catalysis, and has achieved many results. |
| use | benzo -18-crown -6-ether is used as a pharmaceutical intermediate. |
Last Update：2024-04-10 22:40:09
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