Benzo-18-crown-6
- CAS NO.：14098-24-9
- Empirical Formula: C16H24O6
- Molecular Weight: 312.36
- MDL number: MFCD00062741
- EINECS: 604-215-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is Benzo-18-crown-6?
Chemical properties
white granular powder and chunks
Purification Methods
Purify it by passage through a DEAE cellulose column in cyclohexane. It recrystallises from n-hexane. Its thiourea complex has m 127o [5-6 mol of urea to ether, Pedersen J Org Chem 36 1690 1971]. The stability constants of the Na+, K+, Rb+, Cs+, Tl+ and Ba2+ complexes are described in Hofmanova et al. Inorg Chim Acta 28 73 1978. [NMR: Live & Chan J Am Chem Soc 98 3769 1976]. [Beilstein 19/12 V 618.] IRRITANT.
Properties of Benzo-18-crown-6
| Melting point: | 42-45 °C (lit.) |
| Boiling point: | 412.28°C (rough estimate) |
| Density | 1.1858 (rough estimate) |
| refractive index | 1.4795 (estimate) |
| Flash point: | >230 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | very faint turbidity in Methanol |
| form | Liquid |
| color | Clear colorless |
| Sensitive | Hygroscopic |
| BRN | 1626123 |
| CAS DataBase Reference | 14098-24-9(CAS DataBase Reference) |
Safety information for Benzo-18-crown-6
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Benzo-18-crown-6
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