Ammonium carbamate

Base Information

• Chemical Name: Ammonium carbamate
• CAS No.: 1111-78-0
• Deprecated CAS: 879665-11-9
• Molecular Formula: CH3NO2·H3N
• Molecular Weight: 78.0708
• European Community (EC) Number: 214-185-2
• UN Number: 3077
• DSSTox Substance ID: DTXSID9027360
• Wikipedia: Ammonium carbamate
• NCI Thesaurus Code: C82280
• Mol file: 1111-78-0.mol

Synonyms:ammonium carbamate;calcium carbamate;carbamic acid;carbamic acid, ammonia salt;carbamic acid, calcium salt;carbamic acid, potassium salt;carbamic acid, sodium salt;potassium carbamate;sodium carbamate

Chemical Property of Ammonium carbamate

Chemical Property:

• Appearance/Colour: white crystalline solid
• Vapor Pressure: 0.00662mmHg at 25°C
• Melting Point: 59-61°C (subl.)
• Boiling Point: 251 °C at 760 mmHg
• Flash Point: 105.6 °C
• PSA: 66.56000
• Density: 1.6 g/cm³
• LogP: 0.64730
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 78.042927438
• Heavy Atom Count: 5
• Complexity: 27.5

Purity/Quality:

99.9% ^*data from raw suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Other Classes -> Carbamic Acid Esters
• Canonical SMILES: C(=O)(N)[O-].[NH4+]

Technology Process of Ammonium carbamate

There total 13 articles about Ammonium carbamate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 90.0%

carbon dioxide (124-38-9,18923-20-1) → ammonium carbamate (1111-78-0)

Guidance literature:

With ammonia; at 0 ℃; for 8h;

DOI:10.1021/acs.inorgchem.0c03467

Reference yield:

carbon dioxide (124-38-9,18923-20-1) → formaldehyd (50-00-0,30525-89-4,61233-19-0) + formic acid (64-18-6) + carbamic Acid (463-77-4) + ammonium carbamate (1111-78-0)

Guidance literature:

With ammonia; water; at -258.15 ℃; Further byproducts given; bombardment with 1 MeV protons;

DOI:10.1016/S1386-1425(98)00228-5

Reference yield:

carbon dioxide (124-38-9,18923-20-1) → ammonium carbamate (1111-78-0) + urea (57-13-6)

Guidance literature:

With ammonia; at 182 ℃; for 0.333333h; under 116262 Torr; Conversion of starting material; Industry scale;

upstream raw materials:

benzophenone semicarbazone

?Tyr

methylammonium carbonate

glycine

Downstream raw materials:

5,5-dimethyl-imidazolidine-2,4-dione

urea

4-Aminopent-3-en-2-one

(2Z)-3-amino-1-phenylbut-2-en-1-one

Refernces

• 1、 Clark,Hetherington. "-". . p. 1909. Retrieved 1927.
• 2、 Khanna,Moore. "Carbamic acid: Molecular structure and IR spectra". . p. 961 - 967. Retrieved 1999.
• 3、 Drechsel. "-". . . Retrieved 1877.
• 4、 Psykarakis, Emmanuel E.,Chatzopoulou, Elli,Gimisis, Thanasis. "First characterisation of two important postulated intermediates in the formation of a HydT DNA lesion, a thymidine oxidation product". . p. 2289 - 2300. Retrieved 2018/04/05.
• 5、 -. "HIGH-YIELD PROCESS FOR THE SYNTHESIS OF UREA". Paragraph 0086-0127. . Retrieved 2014/04/03.