1,1-DIMETHYLUREA supplier | CasNO.598-94-7

Name
1,1-DIMETHYLUREA
EINECS 209-957-0
CAS No. 598-94-7
Article Data60
CAS DataBase
Density 1.023 g/cm³
Solubility soluble in water
Melting Point 178-183 °C(lit.)
Formula C₃H₈N₂O
Boiling Point 130.4 °C at 760 mmHg
Molecular Weight 88.1093
Flash Point 32.7 °C
Transport Information
Appearance White to off-white crystalline powder
Safety 26-36
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms Urea,1,1-dimethyl- (7CI,8CI);1,1-Dimethylurea;N,N-Dimethylcarbamide;N,N-Dimethylurea;NSC 33603;asym-Dimethylurea;
PSA 46.33000
LogP 0.32700

Synthetic route

: 123-77-3
Azodicarboxamid

: 1608-26-0
Hexamethylphosphorous triamide

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
In ethanol for 2h; Heating;	97%

: 1467-79-4
NCNMe2

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
With [OsCl2(η6-p-cymene)(PMe2OH)]; water at 40℃; for 0.5h; Catalytic behavior; Mechanism; Reagent/catalyst; Temperature; Concentration; Inert atmosphere; Sealed tube;	92%
With potassium hydroxide
With sulfuric acid

: 590-28-3
potassium cyanate

: 124-40-3
dimethyl amine

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
With hydrogenchloride In water at 20℃; for 12h; Inert atmosphere;	91%
With para-dodecylbenzenesulfonic acid In neat (no solvent) at 80℃; for 0.75h; Green chemistry;	83%
With sulfuric acid

: 67969-82-8
tetrafluoroboric acid diethyl ether

: F6P(1-)*C27H47Fe2N2OS2(1+)

: 1467-79-4
NCNMe2

A: 598-94-7
1,1-Dimethylurea

B: F6P(1-)*C30H52Fe2N4S2(2+)*BF4(1-)

Conditions

Conditions	Yield
In acetone at 20℃; for 2h; Inert atmosphere; Schlenk technique;	A 88% B 75%

...Expand

: 124-40-3
dimethyl amine

: 57-13-6
urea

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
With cholin chloride ZnCl2; iron oxide at 130℃; for 6h; Green chemistry;	73%
With Iron(III) nitrate nonahydrate In toluene for 16h; Reflux;

: 76952-35-7
2-aminopyrazine-3-carboxamide oxime

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

A: 598-94-7
1,1-Dimethylurea

B: 34859-38-6
2-Cyano-3-<(dimethylaminomethylene)amino>pyrazine

Conditions

Conditions	Yield
at 75℃; for 0.0833333h;	A 12% B 66%
at 75℃; for 0.0833333h;	A 12% B 66%

...Expand

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

: 112085-02-6
2-(benzoylamino)pyridine-3-carboxamide oxime

A: 598-94-7
1,1-Dimethylurea

B: 112084-93-2
2-(benzoylamino)-3-cyanopyridine

Conditions

Conditions	Yield
In chloroform for 2h; Product distribution; Heating;	A 7% B 66%

...Expand

: 94703-39-6
2,3,3,3-tetrachloro-2-<amino>propionitrile

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
With sodium hydrogencarbonate for 1h; Heating;	39%

: 76952-35-7
2-aminopyrazine-3-carboxamide oxime

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

A: 598-94-7
1,1-Dimethylurea

B: 81411-61-2
3-formylamino-1H-pyrazolo(3,4-b)pyrazine

C: 34859-38-6
2-Cyano-3-<(dimethylaminomethylene)amino>pyrazine

Conditions

Conditions	Yield
In toluene for 3h; Heating;	A 8% B 36% C 14%
In toluene for 6h; Product distribution; Heating; other times and temp.;	A 10% B 35% C 28%

...Expand

: 106932-14-3
N,N-dimethyl N'-(dimethyl-4,6 pyridyl-2)-2 phenyl-1 vinyluree

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
hydrolysis;	11%

: 61713-36-8
N,N,O-trimethyl-isourea

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
With hydrogenchloride
With water

: DL-2-azido-propionic acid dimethylamide

: 110-54-3
hexane

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
photochemische Zersetzung;

: 16703-45-0
O-methyl N,N-dimethylthiocarbamate

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
With methanol; ammonia at 100℃;

: N,N,O-trimethylisourea hydrochloride

A: 74-87-3
methylene chloride

B: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
beim Stehen;

: 2812-77-3
diethyl imidocarbonate

: 124-40-3
dimethyl amine

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
at 130 - 140℃;
With water at 130 - 140℃;
With ethanol at 130 - 140℃;

: 556-89-8
nitrourea

: 124-40-3
dimethyl amine

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
With water

: 761-89-7
allophanic acid methyl ester

: 124-40-3
dimethyl amine

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
at 100℃;
at 120℃;

: 83225-61-0
ω-methylallophanic acid methyl ester

: 124-40-3
dimethyl amine

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
With water at 100℃;
With ethanol at 120℃;
at 100℃;
at 120℃;

: 624-83-9
methyl isocyanate

: 74-89-5
methylamine

: 598-94-7
1,1-Dimethylurea

: 593-51-1
methylamine hydrochloride

: 57-13-6
urea

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
at 160 - 170℃;

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: 598-94-7
1,1-Dimethylurea

Conditions

Conditions	Yield
(i) POCl3, (ii) NH2OH; Multistep reaction;

: 108-47-4
2,4-lutidine

: 100-47-0
benzonitrile

: 79-44-7
N,N-Dimethylcarbamoyl chloride

A: 598-94-7
1,1-Dimethylurea

B: 493-77-6
2,4,6-triphenyl-1,3,5-triazine

C: 106932-30-3
methyl-4 phenyl-7 6H naphtyridin-1,6 one-5

Conditions

Conditions	Yield
With lithium 1.) diethyl ether, reflux, 1 h, 2.) ether, reflux, 2.5 h, 3.) ether; Yield given. Multistep reaction. Yields of byproduct given;

...Expand

: 57-13-6
urea

: 1188-33-6
N,N-dimethylformamide diethyl diacetal

A: 598-94-7
1,1-Dimethylurea

B: 83490-19-1
N-Aminocarbonyl-N',N'-dimethyl-formamidin

C: 20353-90-6
1,1-dimethyl-3-dimethylaminomethyleneurea

Conditions

Conditions	Yield
at 85℃; for 3h; Yield given. Yields of byproduct given;

...Expand

: 57-13-6
urea

: 19429-85-7
N,N-dimethylacetamide diethyl acetal

A: 30885-99-5
4,6-Dimethyl-sym-triazin-2-one

B: 598-94-7
1,1-Dimethylurea

C: 69606-63-9
4-Dimethylamino-6-methylpyrimidin-2-one

Conditions

Conditions	Yield
for 3h; Heating; Yield given;	A n/a B n/a C 0.21 g
for 3h; Heating; Yields of byproduct given;	A n/a B n/a C 0.21 g

...Expand

: 57-13-6
urea

: 19429-85-7
N,N-dimethylacetamide diethyl acetal

A: 30885-99-5
4,6-Dimethyl-sym-triazin-2-one

B: 598-94-7
1,1-Dimethylurea

C: 84690-53-9
N-Carbamoyl-N',N'-dimethylaminoacetamidine

Conditions

Conditions	Yield
In ethanol at 35 - 40℃; for 0.05h; Yield given;

...Expand

: 36209-52-6
3,5-dimethyl-1,3,5-oxadiazane-2,4,6-trione

: 7732-18-5
water

: 598-94-7
1,1-Dimethylurea

: 36209-52-6
3,5-dimethyl-1,3,5-oxadiazane-2,4,6-trione

KOH-solution: KOH-solution

: 598-94-7
1,1-Dimethylurea

: 87897-69-6
1,3-dimethyl-5-hydroxyhydantoin-5-carboxamide

aq. barium hydroxide solution: aq. barium hydroxide solution

A: 598-94-7
1,1-Dimethylurea

B: 473-90-5
acetonedicarboxylic acid

...Expand

: 5176-82-9
1,3-dimethylparabanic acid

aq. barium hydroxide solution: aq. barium hydroxide solution

A: 598-94-7
1,1-Dimethylurea

B: 144-62-7
oxalic acid

...Expand

: 5176-82-9
1,3-dimethylparabanic acid

aqueous-alcoholic KOH-solution: aqueous-alcoholic KOH-solution

A: 598-94-7
1,1-Dimethylurea

B: 144-62-7
oxalic acid

...Expand

: 598-94-7
1,1-Dimethylurea

: 536-74-3
phenylacetylene

: 1095320-53-8
1,1-dimethyl-3-[(Z)-2-phenylvinyl]urea

Conditions

Conditions	Yield
With [bis(2-methylallyl)cycloocta-1,5-diene]ruthenium(II); 1,4-bis(dicyclohexylphosphino)butane; ytterbium(III) triflate In water; N,N-dimethyl-formamide at 60℃; for 6h; Inert atmosphere; optical yield given as %de; stereoselective reaction;	99%
With [bis(2-methylallyl)cycloocta-1,5-diene]ruthenium(II); 1,4-bis(dicyclohexylphosphino)butane; water; ytterbium(III) triflate In N,N-dimethyl-formamide at 60℃; for 6h; anti-Markovnikov hydroamidation; Inert atmosphere; optical yield given as %de; stereoselective reaction;	46%

: 598-94-7
1,1-Dimethylurea

: 874-60-2
4-methyl-benzoyl chloride

: 104825-41-4
1,1-Dimethyl-3,3-bis-(4-methyl-benzoyl)-urea

Conditions

Conditions	Yield
In pyridine for 24h; Ambient temperature;	98%

: 598-94-7
1,1-Dimethylurea

: 122-01-0
4-chloro-benzoyl chloride

: 104417-74-5
1,1-Bis-(4-chloro-benzoyl)-3,3-dimethyl-urea

Conditions

Conditions	Yield
In pyridine for 24h; Ambient temperature;	98%

: 598-94-7
1,1-Dimethylurea

: 100-07-2
4-methoxy-benzoyl chloride

: 104825-42-5
1,1-Bis-(4-methoxy-benzoyl)-3,3-dimethyl-urea

Conditions

Conditions	Yield
In pyridine for 24h; Ambient temperature;	97%

methycarbamoyl chloride: methycarbamoyl chloride

: 598-94-7
1,1-Dimethylurea

: 624-83-9
methyl isocyanate

: 6452-47-7
methylcarbamoyl chloride

Conditions

Conditions	Yield
In chloroform	96.7%

...Expand

: 13987-61-6
N-methylene-tert-butylamine

: 598-94-7
1,1-Dimethylurea

: 141564-68-3
3-{[tert-Butyl-(3,3-dimethyl-ureidomethyl)-amino]-methyl}-1,1-dimethyl-urea

Conditions

Conditions	Yield
for 4h; Heating;	95%

: 598-94-7
1,1-Dimethylurea

: 24303-61-5
2,2,3,3-tetramethylcyclopropanecarbonyl chloride

: 1,1,N,N-dimethyl-2,2,3,3-tetramethylcyclopropanecarbonyl urea

Conditions

Conditions	Yield
In acetonitrile for 2h; Heating;	95%

: [(diethylenetriamine)Pt(OH2)](CF3SO3)2

: 598-94-7
1,1-Dimethylurea

: (diethylenetriamine)(1,1-dimethylurea)platinum(II) trifluoromethanesulfonate

Conditions

Conditions	Yield
In acetone stirring for 30 min at 30°C; cooling in ice; decanting; addn. of diethyl ether to soln.; drying the oily ppt. by vac. evapn.; redissolving in acetone; filtration; addn. of diethyl ether; cooling (0°C, 3 d); filtration; washing (diethyl ether); air-drying; elem. anal.;	90%

: 598-94-7
1,1-Dimethylurea

: 173200-35-6
1-benzyl-3,5-dichloro-6-methylpyrazin-2(1H)-one

: 3-(4-benzyl-6-chloro-5-methyl-3-oxo-3,4-dihydropyrazin-2-yl)-1,1-dimethylurea

Conditions

Conditions	Yield
With palladium diacetate; caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,2-dimethoxyethane at 80 - 100℃; Microwave irradiation;	90%

: 598-94-7
1,1-Dimethylurea

: 4180-23-8
E-1-(4'-methoxyphenyl)prop-1-ene

: 4-(4-methoxyphenyl)-N,N,5-trimethyl-4,5-dihydrooxazol-2-amine

Conditions

Conditions	Yield
With Selectfluor; lithium iodide In dichloromethane at 80℃; for 16h; diastereoselective reaction;	90%

: 260-94-6
acridine

: 598-94-7
1,1-Dimethylurea

: 3-(10H-acridin-9-ylidene)-1,1-dimethylurea

Conditions

Conditions	Yield
Stage #1: 1,1-Dimethylurea With sodium hydride In dimethyl sulfoxide; mineral oil at 20℃; Inert atmosphere; Stage #2: acridine In dimethyl sulfoxide; mineral oil at 20℃; for 24h; Inert atmosphere;	89%

: 288-94-8
1H-tetrazole

: 598-94-7
1,1-Dimethylurea

: 123-11-5
4-methoxy-benzaldehyde

: C12H16N6O2

Conditions

Conditions	Yield
In ethanol for 0.1h; Sonication;	89%

...Expand

: 598-94-7
1,1-Dimethylurea

: 79999-47-6
tri-O-(tert-butyldimethylsilyl)-D-glucal

: 1391998-98-3
1,1-dimethyl-3-[3,4,6-tris(O-tert-butyldimethylsilyl)-2-deoxy-2-iodo-α-D-mannopyranosyl]urea

Conditions

Conditions	Yield
With N-iodo-succinimide In propiononitrile at -78 - 20℃; for 56h; Inert atmosphere;	88%

: 288-94-8
1H-tetrazole

: 598-94-7
1,1-Dimethylurea

: 123-08-0
4-hydroxy-benzaldehyde

: C11H14N6O2

Conditions

Conditions	Yield
In ethanol for 0.1h; Sonication;	88%

...Expand

: 598-94-7
1,1-Dimethylurea

: 98-88-4
benzoyl chloride

: 104417-73-4
1,1-Dibenzoyl-3,3-dimethyl-harnstoff

Conditions

Conditions	Yield
In pyridine for 24h; Ambient temperature;	86%

: 598-94-7
1,1-Dimethylurea

: 610-14-0
2-nitrobenzyl chloride

: 104417-76-7
1,1-Dimethyl-3,3-bis-(2-nitro-benzoyl)-urea

Conditions

Conditions	Yield
In pyridine for 24h; Ambient temperature;	86%

: 598-94-7
1,1-Dimethylurea

: 503-38-8
trichloromethyl chloroformate

: 7767-31-9
tetramethylcarbamoylurea

Conditions

Conditions	Yield
In acetonitrile Ambient temperature;	86%

: sodium dithionate

: 115245-01-7
trifluoromethanesulfonatopentaamminecobalt(III) trifluoromethanesulfonate

: 598-94-7
1,1-Dimethylurea

: 2(NH3)5CoOC(NH2)(N(CH3)2)(3+)*3S2O6(2-)*3H2O={(NH3)5CoOC(NH2)(N(CH3)2)}2(S2O6)3*3H2O

Conditions

Conditions	Yield
In water; acetone to N,N-dimethylurea in acetone (Co(NH3)5OSO2CF3)(CF3SO3)2 added and mixt. warmed (60°C) for 10 min, cooled to room temp. and poured intoEt2O, mixt. stirred for 10 min, residue redissolved in ice water and added to aq. soln. Na2S2O6; mixt. cooled (<5°C) for 15 min, crystals collected, washed with ice water, ethanol and ether and dried over P2O5; elem. anal.;	86%
In acetone Co-complex added to a soln. of urea; mixture warmed at 60°C for 15 min;; poured into butan-2-ol, ether added, stirred, solid dissolved in ice-water, filtered, treated with aq. Na2S2O6 at 20°C; cooled and stirred, crystals washed with ice-water, EtOH, ether, air-dried;;	85%

...Expand

: 598-94-7
1,1-Dimethylurea

: 3-((2-chloropyridin-4-yl)oxy)-2-methyl-6-nitropyridine

: 1,1-dimethyl-3-(4-((2-methyl-6-nitropyridin-3-yl)oxy)pyridin-2-yl)urea

Conditions

Conditions	Yield
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℃; Concentration; Inert atmosphere;	86%

: dioxouranium(VI) perchlorate hydrate

: 598-94-7
1,1-Dimethylurea

: UO2(N(CH3)2CONH2)5(2+)*2ClO4(1-)

Conditions

Conditions	Yield
In ethanol dissolving of uranium salt in a mixture of EtOH/triethylorthoformate, heating at 323 K for 90 min with stirring, addn. of urea, further heating for 90 min; cooling to room temp., filtn., addn. of ether to the filtrate with stirring, filtn., washing with ether, drying under N2, elem. anal.;	85%

: 598-94-7
1,1-Dimethylurea

: 2757-23-5
chloro(chlorosulfanyl)methanone

: 90545-89-4
5-(N,N-dimethylamino)-1,3,4-oxathiadiazol-2-one

Conditions

Conditions	Yield
In acetonitrile at 20℃; for 20h;	84%
In acetonitrile for 1h;	74.5%
In acetonitrile at 20℃;	70%
In methanol; hexane; dichloromethane; acetonitrile

: 598-94-7
1,1-Dimethylurea

: 1746-23-2
4-tert-Butylstyrene

: 4-(4-(tert-butyl)phenyl)-N,N-dimethyl-4,5-dihydrooxazol-2-amine

Conditions

Conditions	Yield
With Selectfluor; lithium iodide In dichloromethane at 80℃; for 16h; regioselective reaction;	84%

: 598-94-7
1,1-Dimethylurea

: 88-89-1
2,4,6-Trinitrophenol

: 87448-62-2
picric acid ; picrate of N,N-dimethyl-urea

Conditions

Conditions	Yield
	83%

: 598-94-7
1,1-Dimethylurea

: 3923-79-3
4,5-dihydroxy-1,3-dimethylimidazolidin-2-one

Conditions

Conditions	Yield
In methanol	83%

: 598-94-7
1,1-Dimethylurea

: 1195931-66-8
3-oxo-3H-spiro[isobenzofuran-1,9′-xanthene]-3′,6′-diyl bis(trifluoromethanesulfonate)

: 1,1'-(3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl)bis(3,3-dimethylurea)

Conditions

Conditions	Yield
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 18h; Buchwald-Hartwig cross coupling; Inert atmosphere;	83%

: 598-94-7
1,1-Dimethylurea

: 3-formyl-2-(N-methyl)allylaminopyridine

: N,N,9-trimethyl-6,7,8,9-tetrahydro-5H-5,8-epiminopyrido[2,3-b]azepine-10-carboxamide

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In 5,5-dimethyl-1,3-cyclohexadiene Reflux;	83%

1,1-DIMETHYLUREA Chemical Properties

IUPAC Name: 1,1-Dimethylurea
The MF of 1,1-Dimethylurea (598-94-7) is C₃H₈N₂O.

The MW of 1,1-Dimethylurea (598-94-7) is 88.11.
Synonyms of 1,1-Dimethylurea (598-94-7): 1,1-Dimethylurea ; asym-Dimethylurea ; Urea, 1,1-dimethyl-
Product Categories: Intermediates
Form: White to off-white crystalline powder
Index of Refraction: 1.452
EINECS: 202-498-7
Density: 1.023 g/ml
Flash Point: 32.7 °C
Boiling Point: 130.4 °C
Melting Point: 180-181 °C
Water Solubility: Soluble
BRN: 1740666

1,1-DIMETHYLUREA Uses

1,1-Dimethylurea (598-94-7) is used as pharmaceutical intermediates.

1,1-DIMETHYLUREA Toxicity Data With Reference

ipr-mus LDLo:6610 mg/kg

JPETAB Journal of Pharmacology and Experimental Therapeutics. 54 (1935),188.

1,1-DIMETHYLUREA Consensus Reports

Reported in EPA TSCA Inventory.

1,1-DIMETHYLUREA Safety Profile

Mildly toxic by intraperitoneal route. When heated to decomposition it emits toxic vapors of NO_x.Safety information of 1,1-Dimethylurea (598-94-7):
Hazard Codes Xi
Risk Statements
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36 Wear suitable protective clothing
WGK Germany 3
RTECS YS9867985

Product Name

1,1-DIMETHYLUREA

Synthetic route

1,1-DIMETHYLUREA Chemical Properties

1,1-DIMETHYLUREA Uses

1,1-DIMETHYLUREA Toxicity Data With Reference

1,1-DIMETHYLUREA Consensus Reports

1,1-DIMETHYLUREA Safety Profile

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