A2263212
12-Crown-4 , 98% , 294-93-9
Synonym(s):
1,4,7,10-Tetraoxacyclododecane
CAS NO.：294-93-9
Empirical Formula: C8H16O4
Molecular Weight: 176.21
MDL number: MFCD00005103
EINECS: 206-036-5
| Pack Size | Price | Stock | Quantity |
| 250MG | RMB111.20 | In Stock |
|
| 1G | RMB279.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 16 °C (lit.) |
| Boiling point: | 61-70 °C/0.5 mmHg (lit.) |
| Density | 1.089 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | Liquid After Melting |
| Specific Gravity | 1.115 (20℃) |
| color | Clear colorless to slightly yellow |
| Water Solubility | MISCIBLE |
| Sensitive | Air Sensitive |
| BRN | 1363064 |
| CAS DataBase Reference | 294-93-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 12-Crown-4(294-93-9) |
| EPA Substance Registry System | 1,4,7,10-Tetraoxacyclododecane (294-93-9) |
Description and Uses
It serves as an aprotic "solvent" for alkali metals, the sodium solution is a strong reducing agent.
Safety
| Symbol(GHS) |  GHS06 |
| Signal word | Danger |
| Hazard statements | H330 |
| Precautionary statements | P304+P340+P310 |
| Hazard Codes | T+,Xn,Xi |
| Risk Statements | 26-36/37/38-20/21/22 |
| Safety Statements | 28-36/37-45-36-26 |
| RIDADR | UN 2810 |
| WGK Germany | 3 |
| RTECS | XF0550000 |
| F | 3-9-23 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29329995 |
| Toxicity | LD50 oral in rat: 2830mg/kg |
