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| CAS No.: | 598-94-7 |
|---|---|
| Name: | 1,1-DIMETHYLUREA |
| Article Data: | 60 |
| Molecular Structure: | |
|
|
|
| Formula: | C3H8N2O |
| Molecular Weight: | 88.1093 |
| Synonyms: | Urea,1,1-dimethyl- (7CI,8CI);1,1-Dimethylurea;N,N-Dimethylcarbamide;N,N-Dimethylurea;NSC 33603;asym-Dimethylurea; |
| EINECS: | 209-957-0 |
| Density: | 1.023 g/cm3 |
| Melting Point: | 178-183 °C(lit.) |
| Boiling Point: | 130.4 °C at 760 mmHg |
| Flash Point: | 32.7 °C |
| Solubility: | soluble in water |
| Appearance: | White to off-white crystalline powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36 |
| PSA: | 46.33000 |
| LogP: | 0.32700 |
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| Conditions | Yield |
|---|---|
| In ethanol for 2h; Heating; | 97% |
| 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 |
| 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 |
| Conditions | Yield |
|---|---|
| In acetone at 20℃; for 2h; Inert atmosphere; Schlenk technique; | A 88% B 75% |
| 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 | Yield |
|---|---|
| at 75℃; for 0.0833333h; | A 12% B 66% |
| at 75℃; for 0.0833333h; | A 12% B 66% |
- 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 | Yield |
|---|---|
| In chloroform for 2h; Product distribution; Heating; | A 7% B 66% |
- 94703-39-6
2,3,3,3-tetrachloro-2-
propionitrile
- 598-94-7
1,1-Dimethylurea
| 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 | 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% |
- 106932-14-3
N,N-dimethyl N'-(dimethyl-4,6 pyridyl-2)-2 phenyl-1 vinyluree
- 598-94-7
1,1-Dimethylurea
| Conditions | Yield |
|---|---|
| hydrolysis; | 11% |
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Chemistry
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
Uses
1,1-Dimethylurea (598-94-7) is used as pharmaceutical intermediates.
Toxicity Data With Reference
| 1. | ipr-mus LDLo:6610 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 54 (1935),188. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Mildly toxic by intraperitoneal route. When heated to decomposition it emits toxic vapors of NOx.Safety information of 1,1-Dimethylurea (598-94-7):
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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