Product Name

  • Name

    BENZYLUREA

  • EINECS 208-689-1
  • CAS No. 538-32-9
  • Article Data84
  • CAS DataBase
  • Density 1.138g/cm3
  • Solubility Slightly soluble in water.
  • Melting Point 149-151 °C(lit.)
  • Formula C8H10 N2 O
  • Boiling Point 282.9°Cat760mmHg
  • Molecular Weight 150.18
  • Flash Point 124.9°C
  • Transport Information
  • Appearance White to off-white powder
  • Safety Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 538-32-9 (BENZYLUREA)
  • Hazard Symbols
  • Synonyms Urea,(phenylmethyl)- (9CI); Urea, benzyl- (6CI,7CI,8CI); 1-Benzylurea;Benzylcarbamide; Benzylurea; N-Benzylurea; NSC 109103
  • PSA 55.12000
  • LogP 1.94610

Synthetic route

3-nitro-benzoyl glycine
617-10-7

3-nitro-benzoyl glycine

ethyl (3-nitrobenzoylglycyl)-3-amido propionate

ethyl (3-nitrobenzoylglycyl)-3-amido propionate

benzyl isothiocyanate
3173-56-6

benzyl isothiocyanate

A

N-[2-[[[3-[[[(phenylmethyl)amino]carbonyl]amino]phenyl]carbonyl]amino]acetyl]-β-alanine
188805-32-5

N-[2-[[[3-[[[(phenylmethyl)amino]carbonyl]amino]phenyl]carbonyl]amino]acetyl]-β-alanine

B

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With aniline; palladium In diethyl ether; ethanol; acetonitrileA n/a
B 99%
...Expand
urea
57-13-6

urea

benzylamine
100-46-9

benzylamine

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With merrifield anchored iron(II)-anthra catalyst In 1,4-dioxane at 100℃; for 8h; Temperature; Time;96%
With choline chloride; tin(ll) chloride at 130℃; for 8h; Green chemistry;89%
With cholin chloride ZnCl2; iron oxide at 130℃; for 6h; Green chemistry;86%
ethanol
64-17-5

ethanol

S-Methyl N-benzyl(thiocarbamate)
90609-83-9

S-Methyl N-benzyl(thiocarbamate)

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With ammonia In 1,4-dioxane95%
potassium cyanate
590-28-3

potassium cyanate

benzylamine
100-46-9

benzylamine

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With N,N,N',N'-tetramethylguanidinium acetate In water at 60℃; for 0.5h;91%
With hydrogenchloride In water at 20℃; for 6h; Solvent; Inert atmosphere;89%
With hydrogenchloride In water at 80℃; for 1h; Microwave irradiation;88%
urethane
51-79-6

urethane

benzylamine
100-46-9

benzylamine

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With zirconocene dichloride In n-heptane at 100℃; for 24h; Inert atmosphere; Sealed tube;87%
Benzeneacetamide
103-81-1

Benzeneacetamide

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene; ammonia In methanol at 0 - 20℃; for 2h; Hofmann Rearrangement; Inert atmosphere;86%
N-benzylcyanamide
622-77-5

N-benzylcyanamide

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With Acetaldehyde oxime; cerium(IV) oxide In ethanol for 2h; Reflux; Inert atmosphere;84%
With [OsCl2(η6-p-cymene)(PMe2OH)]; water at 40℃; for 0.5h; Reagent/catalyst; Inert atmosphere; Sealed tube;74%
With hydrogenchloride
With hydrogenchloride In ethanol; water for 3h; Reflux; Inert atmosphere;0.1093 g
nitrourea
556-89-8

nitrourea

benzylamine
100-46-9

benzylamine

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
In water at 70℃;79%
In water at 70℃; for 1h;79%
benzylamine
100-46-9

benzylamine

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
71%
Multi-step reaction with 4 steps
2: aqueous ethanol; hydrazine
3: aqueous hydrochloric acid; sodium nitrite
4: water
View Scheme
Multi-step reaction with 2 steps
1: diethyl ether
2: hydrochloric acid
View Scheme
4-phenyl-5-benzoyl-2-imidazolinone

4-phenyl-5-benzoyl-2-imidazolinone

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With potassium hydroxide In methanol for 4h;70%
(+/-)-BMS-708163
1260437-07-7

(+/-)-BMS-708163

benzylamine
100-46-9

benzylamine

A

benzylurea
538-32-9

benzylurea

B

C19H16ClF4N3O3S

C19H16ClF4N3O3S

Conditions
ConditionsYield
In water-d2; [D3]acetonitrile at 60℃; for 168h; pH=8.53; Acidic conditions;A n/a
B 70%
...Expand
carbon dioxide
124-38-9

carbon dioxide

benzyl azide
622-79-7

benzyl azide

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With ammonium acetate; water; triphenylphosphine In 1,4-dioxane at 20℃; for 24h;67%
nitrodichloroacetamide
119666-26-1

nitrodichloroacetamide

benzylamine
100-46-9

benzylamine

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
for 48h; Ambient temperature;63%
N-acetylphenylacetamidoxime
103979-34-6

N-acetylphenylacetamidoxime

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With potassium hydroxide In methanol for 18h; Ambient temperature;59%
chloromethyl N-benzyl carbamate
132906-07-1

chloromethyl N-benzyl carbamate

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With ammonium hydroxide In hexane for 2h; Ambient temperature;22%
1,1-Dichloroacetone
513-88-2

1,1-Dichloroacetone

N-benzylthiourea
621-83-0

N-benzylthiourea

A

benzylurea
538-32-9

benzylurea

B

N-benzyl-5-chloro-4-methyl-1,3-thiazol-2-amine

N-benzyl-5-chloro-4-methyl-1,3-thiazol-2-amine

Conditions
ConditionsYield
With hydrogenchloride; dimethyl sulfoxide In water at 30℃; for 96h;A 20%
B 20%
...Expand
N-benzylthiourea
621-83-0

N-benzylthiourea

A

benzylurea
538-32-9

benzylurea

B

N-benzyl-5-chloro-4-methyl-1,3-thiazol-2-amine

N-benzyl-5-chloro-4-methyl-1,3-thiazol-2-amine

Conditions
ConditionsYield
With hydrogenchloride; 1,1-Dichloroacetone; dimethyl sulfoxide In water at 30℃;A 20%
B 20%
urea
57-13-6

urea

benzyl alcohol
100-51-6

benzyl alcohol

A

N-bis(phenylmethyl)-urea
3282-27-7

N-bis(phenylmethyl)-urea

B

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With sulfuric acid In toluene at 115℃; for 8h;A 17%
B 14%
With sulfuric acid In toluene at 115℃; for 8h;A 0.45 g
B 0.2 g
...Expand
N-Benzylbiuret
66903-24-0

N-Benzylbiuret

A

benzylurea
538-32-9

benzylurea

B

isocyanuric acid
108-80-5

isocyanuric acid

Conditions
ConditionsYield
at 190℃;
benzyl-aminooxalyl azide
859068-71-6

benzyl-aminooxalyl azide

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With water
benzaldehyde
100-52-7

benzaldehyde

urea
57-13-6

urea

A

benzylurea
538-32-9

benzylurea

B

1,3-dibenzylurea
1466-67-7

1,3-dibenzylurea

Conditions
ConditionsYield
With ethanol; ammonia anschliessendes Hydrieren an Raney-Nickel bei 130-180grad unter Druck;
...Expand
benzyl chloride
100-44-7

benzyl chloride

urea
57-13-6

urea

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With water
With ammonia; sodium
N'-hydroxy-2-phenylethanimidamide
19227-11-3

N'-hydroxy-2-phenylethanimidamide

benzenesulfonyl chloride
98-09-9

benzenesulfonyl chloride

A

benzylurea
538-32-9

benzylurea

B

N-benzenesulfonyloxy-2-phenyl-acetamidine
342819-31-2

N-benzenesulfonyloxy-2-phenyl-acetamidine

Conditions
ConditionsYield
With chloroform; sodium carbonate
...Expand
benzyl isothiocyanate
3173-56-6

benzyl isothiocyanate

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With ethanol; ammonia
bromocyane
506-68-3

bromocyane

benzylamine
100-46-9

benzylamine

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
nachfolgende Hydrolyse mit wss. KOH;
1-methyl-1-nitrosourea
684-93-5

1-methyl-1-nitrosourea

benzylamine
100-46-9

benzylamine

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With water
benzylamine hydrochloride
3287-99-8, 39110-74-2

benzylamine hydrochloride

urea
57-13-6

urea

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
In water Heating;
With hydrogenchloride In water for 3h; Heating;
2-hydroxyphenyl carbamate
35580-87-1

2-hydroxyphenyl carbamate

benzylamine
100-46-9

benzylamine

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
In ethanol Heating;
N-benzylthiourea
621-83-0

N-benzylthiourea

benzylurea
538-32-9

benzylurea

Conditions
ConditionsYield
With dihydrogen peroxide In ethanol
benzylurea
538-32-9

benzylurea

benzylammonium
28184-70-5

benzylammonium

Conditions
ConditionsYield
With water; dinitrogen tetraoxide for 0.5h; Ambient temperature;100%
benzylurea
538-32-9

benzylurea

Glyoxilic acid
298-12-4

Glyoxilic acid

2,2-dihydroxyacetic acid
563-96-2

2,2-dihydroxyacetic acid

A

1-benzyl-5-hydroxy-hydantoin
110668-56-9

1-benzyl-5-hydroxy-hydantoin

B

1-benzyl-4-hydroxy-hydantoin

1-benzyl-4-hydroxy-hydantoin

Conditions
ConditionsYield
Stage #1: benzylurea; Glyoxilic acid; 2,2-dihydroxyacetic acid With acetic acid In water at 100℃; for 1h;
Stage #2: With acetic acid In dichloromethane; water at 25℃; for 12h;		A 97.2%
B 2.8%
...Expand
benzylurea
538-32-9

benzylurea

6-chloro-3-(2-methylpyridin-4-yl)-1-trityl-1H-pyrazolo[3,4-d]pyrimidine

6-chloro-3-(2-methylpyridin-4-yl)-1-trityl-1H-pyrazolo[3,4-d]pyrimidine

1-benzyl-3-(3-(2-methylpyridin-4-yl)-1-trityl-1H-pyrazolo[3,4-d]pyrimidin-6-yl)urea

1-benzyl-3-(3-(2-methylpyridin-4-yl)-1-trityl-1H-pyrazolo[3,4-d]pyrimidin-6-yl)urea

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In toluene at 110℃; Inert atmosphere;97%
2-bromobenzoic acid methyl ester
610-94-6

2-bromobenzoic acid methyl ester

benzylurea
538-32-9

benzylurea

3-benzylquinazoline-2,4-dione
1932-42-9

3-benzylquinazoline-2,4-dione

Conditions
ConditionsYield
With tris(dibenzylideneacetone)dipalladium (0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane at 100℃; for 48h;95%
benzylurea
538-32-9

benzylurea

6-chloro-3-(1-methyl-1H-pyrazol-4-yl)-1-trityl-1H-pyrazolo[3,4-d]pyrimidine

6-chloro-3-(1-methyl-1H-pyrazol-4-yl)-1-trityl-1H-pyrazolo[3,4-d]pyrimidine

1-benzyl-3-(3-(1-methyl-1H-pyrazol-4-yl)-1-trityl-1H-pyrazolo[3,4-d]pyrimidin-6-yl)urea

1-benzyl-3-(3-(1-methyl-1H-pyrazol-4-yl)-1-trityl-1H-pyrazolo[3,4-d]pyrimidin-6-yl)urea

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In toluene at 110℃; Inert atmosphere;94%
3-Iodotoluene
625-95-6

3-Iodotoluene

benzylurea
538-32-9

benzylurea

9-methyl-9H-fluorene-9-carbonyl chloride
82102-37-2

9-methyl-9H-fluorene-9-carbonyl chloride

N-(benzylcarbamoyl)-3-methylbenzamide
1372868-15-9

N-(benzylcarbamoyl)-3-methylbenzamide

Conditions
ConditionsYield
With potassium phosphate; tri-tert-butyl phosphine; N-ethyl-N,N-diisopropylamine; bis(dibenzylideneacetone)-palladium(0); catacxium A In 1,4-dioxane at 90℃; for 18h; Inert atmosphere;93%
...Expand
benzylurea
538-32-9

benzylurea

methyl 3,3,3-trifluoro-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1Н-pyrazol-4-ylidene)propanoate
312517-66-1

methyl 3,3,3-trifluoro-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1Н-pyrazol-4-ylidene)propanoate

methyl 2-(3-benzylureido)-3,3,3-trifluoro-2-(5-methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4yl)propionate

methyl 2-(3-benzylureido)-3,3,3-trifluoro-2-(5-methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4yl)propionate

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃; for 2h;93%
1,9-dimethyl-3H-pyrano<3,4-b>indol-3-one
21511-43-3

1,9-dimethyl-3H-pyrano<3,4-b>indol-3-one

benzylurea
538-32-9

benzylurea

4-benzyl-5,6-dimethyl-4,6-dihydro[1,3]diazepino[5,6-b]indol-3(2H)-one
1192284-12-0

4-benzyl-5,6-dimethyl-4,6-dihydro[1,3]diazepino[5,6-b]indol-3(2H)-one

Conditions
ConditionsYield
In bromobenzene for 3.5h; Reflux;92%
benzylurea
538-32-9

benzylurea

ethyl acetoacetate
141-97-9

ethyl acetoacetate

benzaldehyde
100-52-7

benzaldehyde

ethyl 1-benzyl-6-methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate

ethyl 1-benzyl-6-methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate

Conditions
ConditionsYield
With polyphosphate ester In tetrahydrofuran for 15h; Heating;91%
With tin(II) chloride dihdyrate In acetonitrile at 70 - 75℃; Biginelli Pyrimidone Synthesis; Sonication;71%
With tin(II) chloride dihdyrate In acetonitrile Biginelli Pyrimidone Synthesis; Sonication; Heating;
With tin(II) chloride dihdyrate In acetonitrile at 70 - 75℃; Biginelli Pyrimidone Synthesis; Sonication;
...Expand
C14H13NO2
1069127-17-8

C14H13NO2

benzylurea
538-32-9

benzylurea

4-benzyl-5-ethyl-6-methyl-4,6-dihydro[1,3]diazepino[5,6-b]indol-3(2H)-one
1192284-13-1

4-benzyl-5-ethyl-6-methyl-4,6-dihydro[1,3]diazepino[5,6-b]indol-3(2H)-one

Conditions
ConditionsYield
In bromobenzene for 8h; Reflux;91%
benzylurea
538-32-9

benzylurea

1-ethyl-pyrano<3,4-b>indol-3-one
52531-09-6

1-ethyl-pyrano<3,4-b>indol-3-one

4-benzyl-5-ethyl-4,6-dihydro[1,3]diazepino[5,6-b]indol-3(2H)-one
1192284-11-9

4-benzyl-5-ethyl-4,6-dihydro[1,3]diazepino[5,6-b]indol-3(2H)-one

Conditions
ConditionsYield
In bromobenzene for 4.5h; Reflux;91%
methyl 3,3,3-trifluoro-2-(4-fluorobenzoylimino)propionate
910222-06-9

methyl 3,3,3-trifluoro-2-(4-fluorobenzoylimino)propionate

benzylurea
538-32-9

benzylurea

3-benzyl-5-(4-fluorobenzoylamino)-5-trifluoromethylimidazolidine-2,4-dione

3-benzyl-5-(4-fluorobenzoylamino)-5-trifluoromethylimidazolidine-2,4-dione

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide at 90℃; for 3h;90%
methyl 2-[(pyrimidin-2-yl)imino]-3,3,3-trifluoropropanoate
1236112-71-2

methyl 2-[(pyrimidin-2-yl)imino]-3,3,3-trifluoropropanoate

benzylurea
538-32-9

benzylurea

methyl 2-(3-benzylcarbamoylamino)-2-(pyrimidin-2-ylamino)-3,3,3-trifluoropropionate
1447564-27-3

methyl 2-(3-benzylcarbamoylamino)-2-(pyrimidin-2-ylamino)-3,3,3-trifluoropropionate

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃; for 2h;90%
benzylurea
538-32-9

benzylurea

cyanoacetic acid
372-09-8

cyanoacetic acid

1-benzyl-3-(2-cyanoacetyl)urea
126245-46-3

1-benzyl-3-(2-cyanoacetyl)urea

Conditions
ConditionsYield
With acetic anhydride; N,N,N',N'-tetramethylguanidinium acetate at 60℃; for 1h; Neat (no solvent);89%
Stage #1: cyanoacetic acid With acetic anhydride In dichloromethane for 0.0833333h;
Stage #2: benzylurea In dichloromethane at 20℃; for 24h; Further stages.;		44%
With acetic anhydride for 2h; Heating;
With acetic anhydride at 80℃; for 2h; Inert atmosphere;
With acetic anhydride at 60℃;
benzylurea
538-32-9

benzylurea

benzaldehyde
100-52-7

benzaldehyde

1,3-dibenzylurea
1466-67-7

1,3-dibenzylurea

Conditions
ConditionsYield
With triethylsilane; trifluoroacetic acid In toluene at 22℃; for 18h;89%
benzylurea
538-32-9

benzylurea

1-methylpyrano[3,4-b]indol-3(9H)-one
35296-53-8

1-methylpyrano[3,4-b]indol-3(9H)-one

4-benzyl-5-methyl-4,6-dihydro[1,3]diazepino[5,6-b]indol-3(2H)-one
1192284-10-8

4-benzyl-5-methyl-4,6-dihydro[1,3]diazepino[5,6-b]indol-3(2H)-one

Conditions
ConditionsYield
In bromobenzene for 3h; Reflux;89%
2-bromo-1,4-dichlorobenzene
1435-50-3

2-bromo-1,4-dichlorobenzene

benzylurea
538-32-9

benzylurea

C14H12Cl2N2O
13142-18-2

C14H12Cl2N2O

Conditions
ConditionsYield
With caesium carbonate at 120℃; for 1h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; Microwave irradiation; Green chemistry;89%
oxalyl dichloride
79-37-8

oxalyl dichloride

benzylurea
538-32-9

benzylurea

1-benzyl-imidazolidine-2,4,5-trione
30345-85-8

1-benzyl-imidazolidine-2,4,5-trione

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃;88%
In diethyl ether for 2h; Heating;21%
In tetrahydrofuran for 3h; Ambient temperature;
α,α-dihydroxyperfluoropropionic acid
10321-14-9

α,α-dihydroxyperfluoropropionic acid

benzylurea
538-32-9

benzylurea

3-benzyl-5-hydroxy-5-trifluoromethylimidazolidine-2,4-dione
105480-45-3

3-benzyl-5-hydroxy-5-trifluoromethylimidazolidine-2,4-dione

Conditions
ConditionsYield
With sulfuric acid In 1,4-dioxane for 1.5h; Heating;88%
sulfuric acid In 1,4-dioxane for 1.5h; Heating;88%
methyl 3,3,3-trifluoro-2-[(1,3-benzothiazol-2-yl)imino]propanoate
942231-83-6

methyl 3,3,3-trifluoro-2-[(1,3-benzothiazol-2-yl)imino]propanoate

benzylurea
538-32-9

benzylurea

5-(1,3-benzothiazol-2-ylamino)-3-benzyl-5-trifluoromethylimidazolidine-2,4-dione

5-(1,3-benzothiazol-2-ylamino)-3-benzyl-5-trifluoromethylimidazolidine-2,4-dione

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide at 90℃; for 3h;88%
benzylurea
538-32-9

benzylurea

methyl 2-benzoylimino-3,3,3-trifluoropropionate
132145-24-5

methyl 2-benzoylimino-3,3,3-trifluoropropionate

5-benzoylamino-3-benzyl-5-trifluoromethylimidazolidine-2,4-dione
575461-56-2

5-benzoylamino-3-benzyl-5-trifluoromethylimidazolidine-2,4-dione

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide at 90℃;88%
benzylurea
538-32-9

benzylurea

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

1-benzyl-6-aminouracil
41862-11-7

1-benzyl-6-aminouracil

Conditions
ConditionsYield
With sodium ethanolate In ethanol Reflux;88%
With ethanol; sodium for 72h; Reflux; Inert atmosphere;86%
With sodium ethanolate Reflux;72%
benzylurea
538-32-9

benzylurea

methyl 2-(diethoxyphosphoryl)imino-3,3,3-trifluoropropionate
503312-47-8

methyl 2-(diethoxyphosphoryl)imino-3,3,3-trifluoropropionate

methyl 2-(3-benzylureido)-2-(diethoxyphosphoryl)amino-3,3,3-trifluoropropionate

methyl 2-(3-benzylureido)-2-(diethoxyphosphoryl)amino-3,3,3-trifluoropropionate

Conditions
ConditionsYield
In benzene for 1h;88%
pentan-1-ol
71-41-0

pentan-1-ol

benzylurea
538-32-9

benzylurea

n-pentyl carbamate
638-42-6

n-pentyl carbamate

Conditions
ConditionsYield
With cholin chloride ZnCl2; iron oxide at 130℃; for 6h; Green chemistry;88%
benzylurea
538-32-9

benzylurea

Methyl 2-Acetylimino-3,3,3-trifluoropropionate
134297-31-7

Methyl 2-Acetylimino-3,3,3-trifluoropropionate

5-acetylamino-3-benzyl-5-trifluoromethylimidazolidine-2,4-dione

5-acetylamino-3-benzyl-5-trifluoromethylimidazolidine-2,4-dione

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide at 90℃; for 3h;87%

Benzylurea Chemical Properties

IUPAC Name: Benzylurea
Synonyms: (Phenylmethyl)urea ; 1-Benzylurea ; Urea, N-(phenylmethyl)- ; 1-Benzylharnstoff
Product Categories: BA - BHOrganic Building Blocks;Alphabetic;B;Carbonyl Compounds;Ureas
Molecular Structure of Benzylurea (CAS NO.538-32-9) :
Molecular Formula of Benzylurea (CAS NO.538-32-9) : C8H10N2O
Molecular Weight of Benzylurea (CAS NO.538-32-9) : 150.18
CAS NO: 538-32-9
EINECS : 208-689-1
Mol File: 538-32-9.mol
Merck : 14,1147
BRN : 2208083
Index of Refraction: 1.565
Surface Tension: 47.3 dyne/cm
Density: 1.138 g/cm3
Flash Point: 124.9 °C
Enthalpy of Vaporization: 52.18 kJ/mol
Boiling Point: 282.9 °C at 760 mmHg
Vapour Pressure: 0.00326 mmHg at 25°C
Melting point : 149-151 ºC
Appearance:white to off-white powder

Benzylurea Uses

 Benzylurea (CAS NO.538-32-9) is used as intermediate organic synthesis.

Benzylurea Toxicity Data With Reference

1.    

orl-rat LD50:4410 mg/kg

     GISAAA    Gigiena i Sanitariya. 44 (3)(1979),68.
2.    

orl-mus LD50:570 mg/kg

     JMCMAR    Journal of Medicinal Chemistry. 11 (1968),814.
3.    

orl-rat LD50:2700 mg/kg

     GISAAA    Gigiena i Sanitariya. 44 (3)(1979),68.

Benzylurea Safety Profile

Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx.
Safety Statements 24/25-22
S24/25:Avoid contact with skin and eyes. 
S22:Do not breathe dust.
WGK Germany 2
RTECS YS1780000

Benzylurea Specification

1.General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
2.Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam .
3.Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
4.Storage: Store in a cool, dry place. Store in a tightly closed container.

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