31249-95-3
31249-95-3 structure
- Name: Cryptand 21
- Chemical Name: 1,4,10-trioxa-7,13-diazacyclopentadecane
- CAS Number: 31249-95-3
- Molecular Formula: C10H22N2O3
- Molecular Weight: 218.293
- Catalog: Chemical reagent Organic reagent Crown ether
- Create Date: 2018-03-28 08:00:00
- Modify Date: 2025-08-20 10:38:13
| Name | 1,4,10-trioxa-7,13-diazacyclopentadecane |
|---|---|
| Synonyms |
1,7,13-trioxa-4,10-diazacyclopentadecane
1,4,10-Trioxa-7,13-diaza-cyclopentadecane kryptofix 21 4,10-Diaza-15-crown 5 diaza-15-crown-5 4,7,13-Trioxa-1,10-diazacyclopentadecane EINECS 250-530-3 1,7-diaza-15-crown-5 Cryptand 21 1,4,10-Trioxa-7,13-diazacyclopentadecane MFCD00005109 15-crown-5N2 Diaza crown ether 21 |
| Density | 0.9±0.1 g/cm3 |
|---|---|
| Boiling Point | 355.9±32.0 °C at 760 mmHg |
| Melting Point | 88-91 °C(lit.) |
| Molecular Formula | C10H22N2O3 |
| Molecular Weight | 218.293 |
| Flash Point | 144.5±14.6 °C |
| Exact Mass | 218.163040 |
| PSA | 51.75000 |
| LogP | -2.30 |
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
| Index of Refraction | 1.413 |
| Storage condition | 0-6°C |
| Hazard Codes | Xi |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36 |
| WGK Germany | 3 |
| RTECS | YJ9520000 |
| HS Code | 2934999090 |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |