12-CROWN 4-ETHER
12-Crown-4
CAS: 294-93-9
Molecular Formula: C8H16O4
12-CROWN 4-ETHER - Names and Identifiers
| Name | 12-Crown-4 |
| Synonyms | Eoct Crown 12-Crown-4 12-CROWN 4-ETHER Lithium ionophore V LITHIUM IONOPHORE V Ethylene oxide cyclic tetramer 1,4,7,10-TETRAOXACYCLODODECANE 1,4,7,10-Tetraoxacyclododecane 1,4,7,10-TETRAOXYCYCLODODECANE |
| CAS | 294-93-9 |
| EINECS | 206-036-5 |
| InChI | InChI=1/C8H16O4/c1-2-10-5-6-12-8-7-11-4-3-9-1/h1-8H2 |
12-CROWN 4-ETHER - Physico-chemical Properties
| Molecular Formula | C8H16O4 |
| Molar Mass | 176.21 |
| Density | 1.089 g/mL at 25 °C (lit.) |
| Melting Point | 16 °C (lit.) |
| Boling Point | 61-70 °C/0.5 mmHg (lit.) |
| Flash Point | >230°F |
| Water Solubility | MISCIBLE |
| Vapor Presure | 0.0269mmHg at 25°C |
| Appearance | Transparent liquid |
| Specific Gravity | 1.115 (20℃) |
| Color | Clear colorless to slightly yellow |
| BRN | 1363064 |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.463(lit.) |
| MDL | MFCD00005103 |
| Use | An aprotic "solvent" for alkali metals, the sodium solution is a strong reducing agent |
12-CROWN 4-ETHER - Risk and Safety
| Risk Codes | R26 - Very Toxic by inhalation 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 | S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 2810 |
| WGK Germany | 3 |
| RTECS | XF0550000 |
| FLUKA BRAND F CODES | 3-9-23 |
| TSCA | Yes |
| HS Code | 29329995 |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | LD50 oral in rat: 2830mg/kg |
12-CROWN 4-ETHER - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-10 22:29:15
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