• Name

  UREA

• EINECS 208-059-6
• CAS No. 506-89-8
• Article Data8
• CAS DataBase
• Density 1.335 g/mL at 25oC(lit.)
• Solubility
• Melting Point 132-135 °C(lit.)
• Formula CH₄N₂O.ClH
• Boiling Point 196.6 °C at 760 mmHg
• Molecular Weight 96.5165
• Flash Point 72.7 °C
• Transport Information
• Appearance powder
• Safety 26-36
• Risk Codes 36/37/38-40
• Molecular Structure
• Hazard Symbols Xn
• Synonyms Urea,monohydrochloride (8CI,9CI);Carbamide chloride;
• PSA 69.11000
• LogP 1.22640

Synthetic route

57-13-6

urea

506-89-8

urea hydrochloride

Conditions

Conditions	Yield
With sodium hypochlorite solution In water at 10℃; for 1h;	98.4%
With hydrogenchloride
With hydrogenchloride In water at 0 - 60℃; for 3h;

506-89-8

urea hydrochloride

94030-93-0

urea hydrobromide

Conditions

Conditions	Yield
With hydrogenchloride; dihydrogen peroxide; sodium bromide In water for 1.5h;	98.7%

5-((5-chloro-4-methyl-1-phenyl-1H-pyrazol-3-yl)methylene)pyrimidine-2,4,6(1H,3H,5H)-trione

506-89-8

urea hydrochloride

5-(5-chloro-4-methyl-1-phenyl-1H-pyrazol-3-yl)pyrimido[4,5-d]pyrimidine-2,4,7(1H,3H,4aH)-trione

Conditions

Conditions	Yield
With acetic acid for 5h; Reflux;	74%

64-17-5

ethanol

506-89-8

urea hydrochloride

ammonium chloride

506-89-8

urea hydrochloride

A

ammonium chloride

B

108-80-5

isocyanuric acid

Conditions

Conditions	Yield
at 145℃;

256-96-2

dibenzoazepine

506-89-8

urea hydrochloride

298-46-4

carbamazepin

Conditions

Conditions	Yield
In acetic acid
In acetic acid

506-89-8

urea hydrochloride

108-80-5

cyanuric acid

Conditions

Conditions	Yield
heating;
heating;

7778-54-3

calcium hypochlorite

506-89-8

urea hydrochloride

2959-01-5

N,N'-dichloro-urea

Conditions

Conditions	Yield
In water 35°C;
In water 35°C;

506-89-8

urea hydrochloride

mercury dichloride

mercury(II) oxide

A

2Hg(2+)*NCONH2(2-)*2Cl(1-)=Hg2(NCONH2)Cl2

B

7732-18-5

water

...Expand

506-89-8

urea hydrochloride

A

108-80-5

cyanuric acid

B

108-19-0

BIURET

C

556-99-0

triuret

D

ammonium chloride

Conditions

Conditions	Yield
decompn. on heating at 150 - 154°C;

...Expand

506-89-8

urea hydrochloride

7782-50-5

chlorine

3135-74-8

chlorourea

Conditions

Conditions	Yield
In water calculated amt. of Cl2, 20-35°C;
In water calculated amt. of Cl2, 20-35°C;

506-89-8

urea hydrochloride

7782-50-5

chlorine

2959-01-5

N,N'-dichloro-urea

Conditions

Conditions	Yield
In water calculated amt. of Cl2, 20-35°C;
In water calculated amt. of Cl2, 20-35°C;

506-89-8

urea hydrochloride

7782-50-5

chlorine

36942-09-3

N,N-dichlorourea

Conditions

Conditions	Yield
In water calculated amt. of Cl2, 20-35°C; N,-N'-dichlorourea extracted with CHCl3;
In water calculated amt. of Cl2, 20-35°C; N,-N'-dichlorourea extracted with CHCl3;

506-89-8

urea hydrochloride

7782-50-5

chlorine

67700-36-1

tetrachlorourea

Conditions

Conditions	Yield
In water calculated amt. of Cl2, 30°C; careful evapn.;
In water calculated amt. of Cl2, 30°C; careful evapn.;

73242-07-6

2-phenyl-4'-(methylthio)acetophenone

506-89-8

urea hydrochloride

104-87-0

4-methyl-benzaldehyde

1393739-27-9

C24H22N2OS

Conditions

Conditions	Yield
With potassium carbonate In ethanol Biginelli reaction; Reflux;

...Expand

73242-07-6

2-phenyl-4'-(methylthio)acetophenone

506-89-8

urea hydrochloride

104-88-1

4-chlorobenzaldehyde

1393739-29-1

C23H19ClN2OS

Conditions

Conditions	Yield
With potassium carbonate In ethanol Biginelli reaction; Reflux;

...Expand

73242-07-6

2-phenyl-4'-(methylthio)acetophenone

506-89-8

urea hydrochloride

99-61-6

3-nitro-benzaldehyde

1393739-32-6

C23H19N3O3S

Conditions

Conditions	Yield
With potassium carbonate In ethanol Biginelli reaction; Reflux;

...Expand

73242-07-6

2-phenyl-4'-(methylthio)acetophenone

506-89-8

urea hydrochloride

100-52-7

benzaldehyde

1393739-26-8

C23H20N2OS

Conditions

Conditions	Yield
With potassium carbonate In ethanol Biginelli reaction; Reflux;

...Expand

73242-07-6

2-phenyl-4'-(methylthio)acetophenone

506-89-8

urea hydrochloride

123-08-0

4-hydroxy-benzaldehyde

1393739-28-0

C23H20N2O2S

Conditions

Conditions	Yield
With potassium carbonate In ethanol Biginelli reaction; Reflux;

...Expand

73242-07-6

2-phenyl-4'-(methylthio)acetophenone

506-89-8

urea hydrochloride

123-11-5

4-methoxy-benzaldehyde

1393739-30-4

C24H22N2O2S

Conditions

Conditions	Yield
With potassium carbonate In ethanol Biginelli reaction; Reflux;

...Expand

73242-07-6

2-phenyl-4'-(methylthio)acetophenone

506-89-8

urea hydrochloride

120-14-9

3,4-dimethoxy-benzaldehyde

1393739-34-8

C25H24N2O3S

Conditions

Conditions	Yield
With potassium carbonate In ethanol Biginelli reaction; Reflux;

...Expand

73242-07-6

2-phenyl-4'-(methylthio)acetophenone

506-89-8

urea hydrochloride

100-10-7

4-dimethylamino-benzaldehyde

1393739-33-7

C25H25N3OS

Conditions

Conditions	Yield
With potassium carbonate In ethanol Biginelli reaction; Reflux;

...Expand

73242-07-6

2-phenyl-4'-(methylthio)acetophenone

506-89-8

urea hydrochloride

613-45-6

2,4-Dimethoxybenzaldehyde

1393739-35-9

C25H24N2O3S

Conditions

Conditions	Yield
With potassium carbonate In ethanol Biginelli reaction; Reflux;

...Expand

73242-07-6

2-phenyl-4'-(methylthio)acetophenone

506-89-8

urea hydrochloride

552-89-6

2-nitro-benzaldehyde

1393739-31-5

C23H19N3O3S

Conditions

Conditions	Yield
With potassium carbonate In ethanol Biginelli reaction; Reflux;

...Expand

506-89-8

urea hydrochloride

107-15-3

ethylenediamine

C2H8N2*CH4N2O*ClH

Conditions

Conditions	Yield
for 0.5h;

Urea hydrochloride Chemical Properties

Urea hydrochloride Uses

Urea hydrochloride Safety Profile