Product Name

  • Name

    Ammonium carbamate

  • EINECS 214-185-2
  • CAS No. 1111-78-0
  • Article Data47
  • CAS DataBase
  • Density 1.6 g/cm3
  • Solubility Soluble in water, ethanol
  • Melting Point 59-61°C (subl.)
  • Formula CH3NO2·H3N
  • Boiling Point 251 °C at 760 mmHg
  • Molecular Weight 78.0708
  • Flash Point 105.6 °C
  • Transport Information
  • Appearance white crystalline solid
  • Safety 22-24/25
  • Risk Codes 22
  • Molecular Structure Molecular Structure of 1111-78-0 (Ammonium carbamate)
  • Hazard Symbols HarmfulXn
  • Synonyms Ammoniumcarbamate (6CI,7CI);Carbamic acid, monoammonium salt (8CI,9CI);Carbamic acid, ammoniumsalt (1:1);
  • PSA 66.56000
  • LogP 0.64730

Synthetic route

carbon dioxide
124-38-9

carbon dioxide

ammonium carbamate
1111-78-0

ammonium carbamate

Conditions
ConditionsYield
With ammonia at 0℃; for 8h;90%
With ammonia
With ammonia; water; urea
benzophenone semicarbazone
14066-73-0

benzophenone semicarbazone

A

hydrazodicarboxamide
110-21-4

hydrazodicarboxamide

B

1,5-dibenzhydrylidene-carbonohydrazide
16240-68-9

1,5-dibenzhydrylidene-carbonohydrazide

C

ammonium carbamate
1111-78-0

ammonium carbamate

D

benzophenone azine
983-79-9

benzophenone azine

Conditions
ConditionsYield
bei Erhitzen ueber den Schmelzpunkt;
Conditions
ConditionsYield
With alkaline potassium permanganate
methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

A

potassium carbamate
4366-93-2

potassium carbamate

B

ammonium carbamate
1111-78-0

ammonium carbamate

Conditions
ConditionsYield
With potassium ammonium Nebenproduktd wird entfernt durch Erwaermen im Vakuum auf 50grad;
methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

ammonium carbamate
1111-78-0

ammonium carbamate

Conditions
ConditionsYield
With ammonia
With ammonia Waermetoenung;
With ethanol; ammonia at 100 - 110℃;
glycine
56-40-6

glycine

ammonium carbamate
1111-78-0

ammonium carbamate

Conditions
ConditionsYield
With alkaline potassium permanganate
LEUCINE
328-39-2

LEUCINE

ammonium carbamate
1111-78-0

ammonium carbamate

Conditions
ConditionsYield
With alkaline potassium permanganate
urea
57-13-6

urea

ammonium carbamate
1111-78-0

ammonium carbamate

Conditions
ConditionsYield
With phosphate-EDTA-buffer; urea amidohydrolase EC 3.5.1.5 at 25℃; rates of urea amidohydrolase catalyzed hydrolysis; pH 7.0;
With water
carbon dioxide
124-38-9

carbon dioxide

A

formaldehyd
50-00-0

formaldehyd

B

formic acid
64-18-6

formic acid

C

carbamic Acid
463-77-4

carbamic Acid

D

ammonium carbamate
1111-78-0

ammonium carbamate

Conditions
ConditionsYield
With ammonia; water at -258.15℃; bombardment with 1 MeV protons; Further byproducts given;
Fe(CO)5

Fe(CO)5

ammonium carbamate
1111-78-0

ammonium carbamate

Conditions
ConditionsYield
With ammonia; water auch bei Sauerstoff-Ausschluss;
carbon dioxide
124-38-9

carbon dioxide

ammonia
7664-41-7

ammonia

ammonium carbamate
1111-78-0

ammonium carbamate

carbon dioxide
124-38-9

carbon dioxide

A

ammonium carbamate
1111-78-0

ammonium carbamate

B

urea
57-13-6

urea

Conditions
ConditionsYield
With ammonia at 182℃; under 116262 Torr; for 0.333333h; Conversion of starting material; Industry scale;
With ammonia In water at 182℃; under 116262 Torr; for 0.333333h; Industry scale; Compressed gas(es);
With ammonia at 182℃; under 116262 Torr; for 0.333333h; Conversion of starting material; Industry scale;
With ammonia
With ammonia Product distribution / selectivity;
carbon dioxide
124-38-9

carbon dioxide

A

water
7732-18-5

water

B

ammonium carbamate
1111-78-0

ammonium carbamate

C

urea
57-13-6

urea

Conditions
ConditionsYield
With ammonia Product distribution / selectivity; Industry scale;
D-ribose
50-69-1

D-ribose

ammonium carbamate
1111-78-0

ammonium carbamate

(2R,3R,4R,5R)-2-Amino-tetrahydro-pyran-3,4,5-triol; compound with carbamic acid

(2R,3R,4R,5R)-2-Amino-tetrahydro-pyran-3,4,5-triol; compound with carbamic acid

Conditions
ConditionsYield
With ammonium hydroxide In methanol at 37℃; for 3h;94%
Conditions
ConditionsYield
With ammonia In methanol; water at 20℃; for 7h;94%
D-xylose
58-86-6

D-xylose

ammonium carbamate
1111-78-0

ammonium carbamate

(2R,3R,4S,5R)-2-Amino-tetrahydro-pyran-3,4,5-triol; compound with carbamic acid

(2R,3R,4S,5R)-2-Amino-tetrahydro-pyran-3,4,5-triol; compound with carbamic acid

Conditions
ConditionsYield
With ammonium hydroxide In methanol at 37℃; for 5h;93%
D-Galactose
59-23-4

D-Galactose

ammonium carbamate
1111-78-0

ammonium carbamate

(2R,3R,4S,5R,6R)-2-Amino-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol; compound with carbamic acid

(2R,3R,4S,5R,6R)-2-Amino-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol; compound with carbamic acid

Conditions
ConditionsYield
With ammonium hydroxide In methanol at 37℃; for 15h;93%
ammonium carbamate
1111-78-0

ammonium carbamate

acetylacetone
123-54-6

acetylacetone

4-Aminopent-3-en-2-one
1118-66-7

4-Aminopent-3-en-2-one

Conditions
ConditionsYield
In methanol at 20℃; for 2h;93%
Conditions
ConditionsYield
With 5% Pd/C; hydrogen In ethanol; water at 20℃; under 20627.1 Torr; for 8h; Kinetics; Catalytic behavior; Solvent; Pressure; Reagent/catalyst; Temperature; Time;91.7%
With 5%-palladium/activated carbon; hydrogen In ethanol; water at 20℃; under 20627.1 Torr; for 8h; Solvent; Temperature; Pressure; Time; Reagent/catalyst;91.7%
D-Glucose
2280-44-6

D-Glucose

ammonium carbamate
1111-78-0

ammonium carbamate

β-D-glucopyranosylammonium carbamate

β-D-glucopyranosylammonium carbamate

Conditions
ConditionsYield
In methanol at 37℃; for 16h;91%
ammonium carbamate
1111-78-0

ammonium carbamate

(β-D-glucopyranosylammonium)uronamide carbamate

(β-D-glucopyranosylammonium)uronamide carbamate

Conditions
ConditionsYield
In methanol at 20℃; for 16h;89.5%
ammonium carbamate
1111-78-0

ammonium carbamate

1,1,1,3,3,3-hexamethyl-disilazane
999-97-3

1,1,1,3,3,3-hexamethyl-disilazane

N,O-bis<(trimethylsilyl)oxy>acetamide
35342-88-2

N,O-bis<(trimethylsilyl)oxy>acetamide

Conditions
ConditionsYield
With sulfuric acid In chloroform at 35 - 40℃; for 15h;89.1%
With sulfuric acid In chloroform at 35 - 40℃; for 12h; Product distribution; other temperatures; other reaction time; other solvents: CCl4, THF, DMF.;
D-glucose
50-99-7

D-glucose

ammonium carbamate
1111-78-0

ammonium carbamate

β-D-glucopyranosylammonium carbamate

β-D-glucopyranosylammonium carbamate

Conditions
ConditionsYield
With ammonium hydroxide In methanol at 37℃; for 24h;89%
2-fluoro-methylthiobenzene
60839-94-3

2-fluoro-methylthiobenzene

ammonium carbamate
1111-78-0

ammonium carbamate

A

(fluoromethyl)(imino)(phenyl)-λ6-sulfanone
1280126-02-4

(fluoromethyl)(imino)(phenyl)-λ6-sulfanone

B

N-[oxidophenyl(fluoromethyl)- λ4-sulfanylidene]-acetamide

N-[oxidophenyl(fluoromethyl)- λ4-sulfanylidene]-acetamide

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene In methanol at 20℃; for 0.5h;A 89%
B n/a
ammonium carbamate
1111-78-0

ammonium carbamate

1-<(Difluoromethyl)thio>-4-methoxybenzene
81931-98-8

1-<(Difluoromethyl)thio>-4-methoxybenzene

A

(difluoromethyl)(imino)(4-methoxyphenyl)-λ6-sulfanone

(difluoromethyl)(imino)(4-methoxyphenyl)-λ6-sulfanone

B

C10H11F2NO3S

C10H11F2NO3S

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene In methanol at 20℃; for 12h;A 88%
B n/a
ammonium carbamate
1111-78-0

ammonium carbamate

O6-β-D-Glucopyranosyl-D-glucose
554-91-6

O6-β-D-Glucopyranosyl-D-glucose

C12H23NO10*CH3NO2

C12H23NO10*CH3NO2

Conditions
ConditionsYield
With ammonium hydroxide In methanol at 37℃; for 12h;85%
ammonium carbamate
1111-78-0

ammonium carbamate

D-(+)-lactose
63-42-3

D-(+)-lactose

(2S,3R,4S,5R,6R)-2-((2R,3S,4R,5R,6R)-6-Amino-4,5-dihydroxy-2-hydroxymethyl-tetrahydro-pyran-3-yloxy)-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol; compound with carbamic acid

(2S,3R,4S,5R,6R)-2-((2R,3S,4R,5R,6R)-6-Amino-4,5-dihydroxy-2-hydroxymethyl-tetrahydro-pyran-3-yloxy)-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol; compound with carbamic acid

Conditions
ConditionsYield
With ammonium hydroxide In methanol at 37℃; for 20h;85%
2-acetamido-2-deoxy-D-glucose
7512-17-6

2-acetamido-2-deoxy-D-glucose

ammonium carbamate
1111-78-0

ammonium carbamate

2-acetamido-2-deoxy-β-D-glucopyranosylammonium carbamate

2-acetamido-2-deoxy-β-D-glucopyranosylammonium carbamate

Conditions
ConditionsYield
In methanol; water at 5 - 37℃; for 64h;83%
ammonium carbamate
1111-78-0

ammonium carbamate

cellobiose
528-50-7

cellobiose

(2S,3R,4S,5S,6R)-2-((2R,3S,4R,5R,6R)-6-Amino-4,5-dihydroxy-2-hydroxymethyl-tetrahydro-pyran-3-yloxy)-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol; compound with carbamic acid

(2S,3R,4S,5S,6R)-2-((2R,3S,4R,5R,6R)-6-Amino-4,5-dihydroxy-2-hydroxymethyl-tetrahydro-pyran-3-yloxy)-6-hydroxymethyl-tetrahydro-pyran-3,4,5-triol; compound with carbamic acid

Conditions
ConditionsYield
With ammonium hydroxide In methanol at 37℃; for 25h;82%
Conditions
ConditionsYield
In methanol at 20℃; for 48h;82%
difluoromethyl phenyl sulfide
1535-67-7

difluoromethyl phenyl sulfide

ammonium carbamate
1111-78-0

ammonium carbamate

A

(difluoromethyl)(imino)(phenyl)-λ6-sulfanone
1333375-53-3

(difluoromethyl)(imino)(phenyl)-λ6-sulfanone

B

N-acetyl S-difluoromethyl-S-phenyl sulfoximine

N-acetyl S-difluoromethyl-S-phenyl sulfoximine

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene In methanol at 20℃; for 8h;A 82%
B n/a
1-[(fluoromethyl)sulfanyl]-4-methylbenzene
65325-64-6

1-[(fluoromethyl)sulfanyl]-4-methylbenzene

ammonium carbamate
1111-78-0

ammonium carbamate

A

(fluoromethyl)(imino)(p-tolyl)-λ6-sulfanone

(fluoromethyl)(imino)(p-tolyl)-λ6-sulfanone

B

C10H12FNO2S

C10H12FNO2S

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene In methanol at 20℃; for 0.5h;A 80%
B n/a
ammonium carbamate
1111-78-0

ammonium carbamate

1-phenylbutan-1,3-dione
93-91-4

1-phenylbutan-1,3-dione

(2Z)-3-amino-1-phenylbut-2-en-1-one
23652-90-6

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

Conditions
ConditionsYield
In methanol at 20℃; for 24h;75%
potassium cyanide
151-50-8

potassium cyanide

ammonium carbamate
1111-78-0

ammonium carbamate

(S)-N-(3-oxo-1-phenylbutan-2-yl)acetamide
142924-43-4

(S)-N-(3-oxo-1-phenylbutan-2-yl)acetamide

(S)-5-(1-acetamido-2-phenyl)ethyl-5-methylimidazolidine-2,4-dione

(S)-5-(1-acetamido-2-phenyl)ethyl-5-methylimidazolidine-2,4-dione

Conditions
ConditionsYield
With ammonium carbonate In ethanol; water at 45℃; for 3h; sonification;74%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

ammonium carbamate
1111-78-0

ammonium carbamate

trimethylsilyl carbamate
58078-34-5

trimethylsilyl carbamate

Conditions
ConditionsYield
In chloroform at 20℃;73%
potassium cyanide
151-50-8

potassium cyanide

ammonium carbamate
1111-78-0

ammonium carbamate

3-acetamido-4-(4-acetoxyphenyl)butan-2-one

3-acetamido-4-(4-acetoxyphenyl)butan-2-one

N-[2-(4-hydroxy-phenyl)-1-(4-methyl-2,5-dioxo-imidazolidin-4-yl)-ethyl]-acetamide

N-[2-(4-hydroxy-phenyl)-1-(4-methyl-2,5-dioxo-imidazolidin-4-yl)-ethyl]-acetamide

Conditions
ConditionsYield
With ammonium carbonate In ethanol; water at 45℃; for 3h; sonification;73%
ammonium carbamate
1111-78-0

ammonium carbamate

2,2-dichloro-3-phenylpropionaldehyde
76043-69-1

2,2-dichloro-3-phenylpropionaldehyde

α-chloro-β-phenylpropionamide
18166-56-8

α-chloro-β-phenylpropionamide

Conditions
ConditionsYield
With 2-(2,4,6-trichlorophenyl)-2,5,6,7-tetrahydropyrrolo[2,1-c][1,2,4]triazol-4-ylium tetrafluoroborate In tetrahydrofuran at 20℃; for 0.75h;73%
D-Mannose
530-26-7

D-Mannose

ammonium carbamate
1111-78-0

ammonium carbamate

β-D-mannopyranosylammonium carbamate

β-D-mannopyranosylammonium carbamate

Conditions
ConditionsYield
In methanol at 20℃; for 24h;71%
ammonium carbamate
1111-78-0

ammonium carbamate

2,2-dimethyl-5,6,7,8-tetrahydro-4H-benzo[d][1,3]dioxin-4-one
28637-56-1

2,2-dimethyl-5,6,7,8-tetrahydro-4H-benzo[d][1,3]dioxin-4-one

2-fluoro-4-chloro-5-methoxycarbonylaniline
141772-31-8

2-fluoro-4-chloro-5-methoxycarbonylaniline

methyl 2-chloro-4-fluoro-5-(4-oxo-5,6,7,8-tetrahydroquinazolin-3(4H)-yl)benzoate

methyl 2-chloro-4-fluoro-5-(4-oxo-5,6,7,8-tetrahydroquinazolin-3(4H)-yl)benzoate

Conditions
ConditionsYield
Stage #1: 2,2-dimethyl-5,6,7,8-tetrahydro-4H-benzo[d][1,3]dioxin-4-one; 2-fluoro-4-chloro-5-methoxycarbonylaniline In 5,5-dimethyl-1,3-cyclohexadiene at 140℃; for 10h;
Stage #2: ammonium carbamate In methanol at 60℃; for 12h;
Stage #3: With orthoformic acid triethyl ester for 12h; Reflux;
69%
(3-phenylpropyl)(difluoromethyl)sulfide

(3-phenylpropyl)(difluoromethyl)sulfide

ammonium carbamate
1111-78-0

ammonium carbamate

A

imino(3-phenylpropyl)(difluoromethyl)-λ6-sulfanone

imino(3-phenylpropyl)(difluoromethyl)-λ6-sulfanone

B

C12H15F2NO2S

C12H15F2NO2S

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene In methanol at 20℃; for 3h;A 68%
B n/a

Ammonium carbamate Consensus Reports

Reported in EPA TSCA Inventory.

Ammonium carbamate Specification

Ammonium carbamate is an organic compound with the formula CH3NO2·H3N, and its systematic name is the same with the product name. With the CAS registry number 1111-78-0, it is also named as Carbamic acid, ammoniumsalt (1:1). It belongs to the product category of Industrial/Fine Chemicals. Its EINECS number is 214-185-2. In addition, the molecular weight is 78.07. This chemical is stable at common pressure and temperature, and it should be sealed and stored in a cool and dry place. Moreover, it should be protected from oxides, acids, alkali and water. This chemical will decompose slowly in the air and release ammonia, and it can slightly volatilize at room temperature and completely sublimate and decompose at the temperature of 50 °C. Moreover, it will turn into ammonium carbonate when placed in damp air or aqueous solution. When heated, it will produce urea. This chemical can be used as aluminum phosphide intermediate, and it is also used in medicine.

Physical properties of Ammonium carbamate are: (1)ACD/LogP: -1.194; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.94; (4)ACD/LogD (pH 7.4): -3.73; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 3; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 40.54 Å2; (13)Flash Point: 105.6 °C; (14)Enthalpy of Vaporization: 53.77 kJ/mol; (15)Boiling Point: 251 °C at 760 mmHg; (16)Vapour Pressure: 0.00662 mmHg at 25°C.

Preparation: this chemical can be prepared by anhydrous liquid ammonia and drikold. Moreover, 400 mL liquid ammonia can produce 200-300 g Ammonium carbamate.

Uses of Ammonium carbamate: it can be used to produce trimethylsilyl carbamate at the temperature of 20 °C. It will need solvent CHCl3. The yield is about 73%.

Ammonium carbamate can be used to produce trimethylsilyl carbamate at the temperature of 20 °C

When you are using this chemical, please be cautious about it as the following:
It is harmful if swallowed. You should not breathe dust. When using it, you must avoid contact with eyes.

You can still convert the following datas into molecular structure:
(1)SMILES: [O-]C(=O)N.[NH4+]
(2)Std. InChI: InChI=1S/CH3NO2.H3N/c2-1(3)4;/h2H2,(H,3,4);1H3
(3)Std. InChIKey: BVCZEBOGSOYJJT-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 77mg/kg (77mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD American Journal of Veterinary Research. Vol. 29, Pg. 897, 1968.
rat LD50 intravenous 39mg/kg (39mg/kg)   American Journal of Veterinary Research. Vol. 29, Pg. 897, 1968.
rat LD50 oral > 681mg/kg (681mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

SKIN AND APPENDAGES (SKIN): HAIR: OTHER
National Technical Information Service. Vol. OTS0535595,

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