Ammonium carbamate: Difference between revisions

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===Synthesis===
===Synthesis===
* Combine liquid [[ammonia]] and [[carbon dioxide|dry ice]]
* Combine liquid [[ammonia]] and [[carbon dioxide|dry ice]]
* Combine the two gases at high temperature (450–500 K) and high pressure (150–250 bar)
* Combine the two gasses 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.
* Bubble the the two gasses 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 01:14, 3 April 2025

 
Ammonium carbamate
Chemical formula {{#Chem: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

Natural occurrence

Hazards

Character

Production

Extraction

Synthesis

  • Combine liquid ammonia and dry ice
  • Combine the two gasses at high temperature (450–500 K) and high pressure (150–250 bar)
  • Bubble the the two gasses through ethanol at 0° and atmospheric pressure. The carbamate precipitates and can be separated by simple filtration.

Testing

Purification

Storage

Disposal

See Also

References