Product Name

  • Name

    N,N-DIETHYLTHIOUREA

  • EINECS
  • CAS No. 7204-46-8
  • Article Data22
  • CAS DataBase
  • Density 1.041 g/cm3
  • Solubility
  • Melting Point
  • Formula C5H12N2S
  • Boiling Point 188.3 °C at 760 mmHg
  • Molecular Weight 132.23
  • Flash Point 67.7 °C
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 7204-46-8 (N,N-DIETHYLTHIOUREA)
  • Hazard Symbols
  • Synonyms Urea,1,1-diethyl-2-thio- (6CI,7CI,8CI);1,1-Diethylthiourea;N,N-Diethylthiourea;NSC 520477;
  • PSA 61.35000
  • LogP 1.27210

Synthetic route

N,N-Diethyl-1H-benzotriazole-1-carboximidamide
351425-47-3

N,N-Diethyl-1H-benzotriazole-1-carboximidamide

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
With hydrogen sulfide In tetrahydrofuran at 20℃; for 1h;92%
N,N-diethyl-N'-benzoyl-thiourea
58328-36-2

N,N-diethyl-N'-benzoyl-thiourea

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
With hydrazine at 25℃; for 0.166667h;89%
With water
sodium thiocyanate

sodium thiocyanate

chloroformic acid ethyl ester
541-41-3

chloroformic acid ethyl ester

diethylamine
109-89-7

diethylamine

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
Stage #1: sodium thiocyanate; chloroformic acid ethyl ester With pyridine In acetonitrile at 5 - 20℃; Inert atmosphere;
Stage #2: diethylamine In acetonitrile at 5 - 20℃; Inert atmosphere;
Stage #3: With hydrazine hydrate In water at 50℃; for 4h; Inert atmosphere;
66%
ammonium thiocyanate
1147550-11-5

ammonium thiocyanate

diethylamine
109-89-7

diethylamine

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
In water at 80 - 90℃;61%
C5H11ClN2*ClH

C5H11ClN2*ClH

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
With LiAlHSH In tetrahydrofuran at 0℃; for 3h;55%
diethylamine
109-89-7

diethylamine

Benzoyl isothiocyanate
532-55-8

Benzoyl isothiocyanate

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
With hydrazine hydrate In 1,2-dichloro-ethane at 20℃; for 6h;54%
Diethylcyanamide
617-83-4

Diethylcyanamide

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
With pyridine; hydrogen sulfide; triethylamine
With hydrogen sulfide; ammonia
With O,O-Diethyl hydrogen phosphorodithioate In diethyl ether
diethylammonium thiocyanate
3487-55-6

diethylammonium thiocyanate

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
at 105℃; Geschwindigkeit der Isomerisierung;
N,N-Diethyl-N'-tert.-butyl-thioharnstoff
14327-03-8

N,N-Diethyl-N'-tert.-butyl-thioharnstoff

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
With hydrogenchloride Heating;
triphenylphosphine thiocyanogen
66365-41-1

triphenylphosphine thiocyanogen

diethylamine
109-89-7

diethylamine

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
(i) MeCN, CH2Cl2, (ii) H2O; Multistep reaction;
In dichloromethane; acetonitrile
potassium thioacyanate
333-20-0

potassium thioacyanate

diethylamine
109-89-7

diethylamine

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
(i) ClCO2Et, acetone, (ii) /BRN= 605268/, (iii) aq. HCl; Multistep reaction;
C8H16N2O2S
132625-72-0

C8H16N2O2S

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 8h; Yield given;
pivaloyl chloride
3282-30-2

pivaloyl chloride

diethylamine
109-89-7

diethylamine

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
With sodium hydroxide In hydrogenchloride; acetone
ammonium thiocyanate

ammonium thiocyanate

diethylamine
109-89-7

diethylamine

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

Conditions
ConditionsYield
In water at 80 - 90℃;
1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

1-chloroacetophenone
532-27-4

1-chloroacetophenone

2-diethylamino-4-phenylthiazole
75654-98-7

2-diethylamino-4-phenylthiazole

Conditions
ConditionsYield
In isopropyl alcohol for 1h; Heating; Reflux;97%
1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

chloroacetonitrile
107-14-2

chloroacetonitrile

Diethyl-(4-imino-4,5-dihydro-thiazol-2-yl)-amine; hydrochloride

Diethyl-(4-imino-4,5-dihydro-thiazol-2-yl)-amine; hydrochloride

Conditions
ConditionsYield
In ethanol for 1h; Heating;92%
(E)-2-Nonenal
18829-56-6

(E)-2-Nonenal

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

4-methyl-N-(tosyloxy)benzenesulfonamide
104504-02-1

4-methyl-N-(tosyloxy)benzenesulfonamide

(R)-N-(1-(2-(diethylamino)thiazol-5-yl)heptyl)-4-methylbenzenesulfonamide
1353053-43-6

(R)-N-(1-(2-(diethylamino)thiazol-5-yl)heptyl)-4-methylbenzenesulfonamide

Conditions
ConditionsYield
Stage #1: (E)-2-Nonenal; 4-methyl-N-(tosyloxy)benzenesulfonamide With (S)-2-{bis[3,5-bis(trifluoromethyl)phenyl][(trimethylsilanyl)oxy]methyl}pyrrolidine; sodium acetate In toluene at 20℃; for 24h;
Stage #2: 1,1-diethylthiourea In toluene at 60℃; for 1.5h;
92%
1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

p-Toluic acid
99-94-5

p-Toluic acid

N-(diethylcarbamothioyl)-4-methylbenzamide

N-(diethylcarbamothioyl)-4-methylbenzamide

Conditions
ConditionsYield
With potassium fluoride on basic alumina; N,N-dimethyl-formamide at 20 - 105℃; for 0.0666667h; Product distribution; Further Variations:; Reagents; Temperatures; heating instead of irradiation; Acylation; Irradiation;85%
With potassium fluoride on basic alumina; N,N-dimethyl-formamide at 20 - 105℃; for 0.0666667h; Acylation; Irradiation;85%
2,6-Pyridinedicarbonyl dichloride
3739-94-4

2,6-Pyridinedicarbonyl dichloride

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

N2,N6-bis(diethylcarbamothioyl)pyridine-2,6-dicarboxamide

N2,N6-bis(diethylcarbamothioyl)pyridine-2,6-dicarboxamide

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 40℃; for 1h;78%
With triethylamine In acetone at 20 - 60℃; for 3h;68%
With triethylamine In tetrahydrofuran at 0 - 50℃; for 2h; Inert atmosphere;7.27 g
In N,N-dimethyl-formamide
1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

N,N-dimethyl-formamide dimethyl acetal
4637-24-5

N,N-dimethyl-formamide dimethyl acetal

C8H17N3S

C8H17N3S

Conditions
ConditionsYield
In dichloromethane for 2h;77%
1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

A

Diethylcyanamide
617-83-4

Diethylcyanamide

B

3,5-bis(diethylamino)-1,2,4-thiadiazole

3,5-bis(diethylamino)-1,2,4-thiadiazole

Conditions
ConditionsYield
With diethoxydisulfane In tetrachloromethane for 7h; Heating;A 5%
B 75%
1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

α-bromoacetophenone
70-11-1

α-bromoacetophenone

2-diethylamino-4-phenylthiazole
75654-98-7

2-diethylamino-4-phenylthiazole

Conditions
ConditionsYield
In ethanol for 0.666667h; Heating;75%
1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

1-Bromopinacolon
5469-26-1

1-Bromopinacolon

(4-tert-Butyl-thiazol-2-yl)-diethyl-amine
83893-94-1

(4-tert-Butyl-thiazol-2-yl)-diethyl-amine

Conditions
ConditionsYield
In ethanol for 0.666667h; Heating;65%
1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

2,2′-bipyridine-6,6′-dicarbonyl dichloride
65739-39-1

2,2′-bipyridine-6,6′-dicarbonyl dichloride

2,2′-bipyridine-6,6′-dicarbonyl bis(N,N-diethylthiourea)

2,2′-bipyridine-6,6′-dicarbonyl bis(N,N-diethylthiourea)

Conditions
ConditionsYield
Stage #1: 1,1-diethylthiourea; 2,2′-bipyridine-6,6′-dicarbonyl dichloride With triethylamine In tetrahydrofuran at 20℃; for 1h;
Stage #2: With triethylamine In tetrahydrofuran at 50℃; for 0.75h;
65%
3-(2-bromoacetyl)-4-hydroxy-2H-chromen-2-one
24238-62-8

3-(2-bromoacetyl)-4-hydroxy-2H-chromen-2-one

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

3-(2-diethylamino-thiazol-4-yl)-4-hydroxychromen-2-one
944548-98-5

3-(2-diethylamino-thiazol-4-yl)-4-hydroxychromen-2-one

Conditions
ConditionsYield
In ethanol Hantzsch reaction; Reflux;63.34%
In ethanol Reflux;
1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

chloroacetone
78-95-5

chloroacetone

diethyl-(4-methyl-thiazol-2-yl)-amine
164397-12-0

diethyl-(4-methyl-thiazol-2-yl)-amine

Conditions
ConditionsYield
In ethanol for 0.666667h; Heating;60%
With water
1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

1,3-Dichloroacetone
534-07-6

1,3-Dichloroacetone

4-(chloromethyl)-N,N-diethylthiazol-2-amine

4-(chloromethyl)-N,N-diethylthiazol-2-amine

Conditions
ConditionsYield
In ethanol at 80℃; for 16h;53%
In acetone
1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

3-bromorifamicin S
57375-25-4

3-bromorifamicin S

2'-(N,N-diethylamino)rifamycin P
113102-19-5

2'-(N,N-diethylamino)rifamycin P

Conditions
ConditionsYield
In methanol for 1.5h; Ambient temperature;49%
(E)-2-Nonenal
18829-56-6

(E)-2-Nonenal

1,1-diethylthiourea
7204-46-8

1,1-diethylthiourea

(R)-1-(2-(diethylamino)thiazol-5-yl)heptan-1-ol
1353053-42-5

(R)-1-(2-(diethylamino)thiazol-5-yl)heptan-1-ol

Conditions
ConditionsYield
Stage #1: (E)-2-Nonenal With (S)-2-{bis[3,5-bis(trifluoromethyl)phenyl][(trimethylsilanyl)oxy]methyl}pyrrolidine; dihydrogen peroxide In water; toluene at 20℃; for 24h;
Stage #2: 1,1-diethylthiourea In water; toluene at 20℃; for 3h; enantioselective reaction;
45%

N,N-diethylthiourea Specification

The N,N-diethylthiourea, with the CAS registry number 7204-46-8, is also known as 1,1-Diethylthiourea.It belongs to the product medicines and drugs .This chemical's molecular formula is C5H12N2S and molecular weight is 132.22. Its EINECS number is 243-901-6. What's more, Its systematic name is 1,1-Diethylthiourea. N,N-diethylthiourea is used as Pharmaceutical Intermediates.

Other characteristics of the N,N-diethylthiourea can be summarised as followings: (1)ACD/LogP: 0.79; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.79; (4)ACD/LogD (pH 7.4): 0.79; (5)ACD/BCF (pH 5.5): 2.34; (6)ACD/BCF (pH 7.4): 2.34; (7)ACD/KOC (pH 5.5): 64.04; (8)ACD/KOC (pH 7.4): 64.04; (9)#H bond acceptors: 2; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 38.57 Å2; (13)Index of Refraction: 1.538; (14)Molar Refractivity: 39.75 cm3; (15)Molar Volume: 126.9 cm3; (16)Polarizability: 15.76×10-24cm3; (17)Surface Tension: 46.9 dyne/cm; (18)Density: 1.041 g/cm3; (19)Flash Point: 67.7 °C; (20)Enthalpy of Vaporization: 42.45 kJ/mol; (21)Boiling Point: 188.3 °C at 760 mmHg; (22)Vapour Pressure: 0.602 mmHg at 25°C.

Uses of this chemical: The N,N-diethylthiourea  could react with 1-chloro-propan-2-one, and obtain the diethyl-(4-methyl-thiazol-2-yl)-amine. This reaction needs the solvent of ethanol. The yield is 60 %. In addition, this reaction should be taken for 40 minutes. The other condition is heating.

You can still convert the following datas into molecular structure:
(1)SMILES:S=C(N)N(CC)CC;
(2)Std. InChI:InChI=1S/C5H12N2S/c1-3-7(4-2)5(6)8/h3-4H2,1-2H3,(H2,6,8);
(3)Std. InChIKey:CNLHIRFQKMVKPX-UHFFFAOYSA-N;

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