Ammonium carbamate: Difference between revisions
Jump to navigation
Jump to search
JeffEvarts (talk | contribs) |
JeffEvarts (talk | contribs) (Undo revision 1531 by JeffEvarts (talk)) Tag: Undo |
||
| Line 16: | Line 16: | ||
===Synthesis=== | ===Synthesis=== | ||
* Combine liquid [[ammonia]] and [[carbon dioxide|dry ice]] | |||
* Combine the two gases at high temperature (450–500 K) and high pressure (150–250 bar) | |||
* Bubble the the two gases through ethanol at 0° and atmospheric pressure. The carbamate precipitates and can be separated by simple filtration. | |||
==Testing== | ==Testing== | ||
==Purification== | ==Purification== | ||
Latest revision as of 20:11, 13 March 2021
| Chemical formula | NH4CO2NH2 |
|---|---|
| OTP appearance | white crystals |
| Molar Mass(g/mol) | 78.071 |
| Density(g/cc) | 1.38 |
| Melting Point(°C) | 60 |
| Solubility in water(g/L) | miscible |
| NFPA 704 |  0
2
0
|
Uses
Justification Questioned
Other
- Precursor for urea
Natural occurrence
Hazards
Character
Production
Extraction
- Extracted from spirit of hartshorn, which also contains ammonium carbonate and ammonium bicarbonate
Synthesis
- Combine liquid ammonia and dry ice
- Combine the two gases at high temperature (450–500 K) and high pressure (150–250 bar)
- Bubble the the two gases through ethanol at 0° and atmospheric pressure. The carbamate precipitates and can be separated by simple filtration.