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Cas Database |
| Name |
Dimethylolurea |
EINECS | 205-444-0 |
| CAS No. | 140-95-4 | Density | 1.367 g/cm3 |
| PSA | 81.59000 | LogP | -1.03300 |
| Solubility | 150 g/L in water | Melting Point |
125 °C (dec.)(lit.) |
| Formula | C3H8N2O3 | Boiling Point | 460.5 °C at 760 mmHg |
| Molecular Weight | 120.108 | Flash Point | 232.3 °C |
| Transport Information | N/A | Appearance | white powder |
| Safety | 24/25-45-53 | Risk Codes | 45 |
| Molecular Structure |
|
Hazard Symbols |
 T
|
| Synonyms |
Finish EN;Knittex ASL;Methural;Metural;N,N'-(Dihydroxymethyl)urea;N,N'-Bis(hydroxymethyl)urea;N,N'-Dimethylolurea;NSC 41819;Oxymethurea;Papirol J 001;Permafresh 477;Protesine DMU;Ureol P;Urea,1,3-bis(hydroxymethyl)- (8CI);1,3-Bis(hydroxymethyl)urea;1,3-Dimethylolurea;CSI Paste;Dimethanol urea; |
Article Data | 32 |
Dimethylolurea Synthetic route
| Conditions | Yield |
|---|---|
| With sulfuric acid at 50℃; for 0.4h; Ionic liquid; | 60% |
| With triethylamine at 20℃; for 30h; | 57% |
| With formic acid; sodium hydroxide In water at 0 - 25℃; for 18h; pH=8; | 43% |
- 50-00-0
formaldehyd
- 13547-17-6
methylenediurea
A
- 140-95-4
1,3-bis(hydroxymethyl)urea
B
- 38688-61-8
N'-hydroxymethyl-N,N''-methanediyl-di-urea
| Conditions | Yield |
|---|---|
| With barium dihydroxide; water |
| Conditions | Yield |
|---|---|
| With water |
| Conditions | Yield |
|---|---|
| Kinetics; Thermodynamic data; | |
| In sulfuric acid at 343℃; Rate constant; |
- 50-00-0
formaldehyd
- 7732-18-5
water
- 57-13-6
urea
A
- 1000-82-4
(hydroxymethyl)urea
B
- 140-95-4
1,3-bis(hydroxymethyl)urea
| Conditions | Yield |
|---|---|
| at 50 - 85℃; Kinetics; pH 3.65 bis pH 7; | |
| at 50 - 85℃; Kinetics; pH 3.65-7; | |
| at 20℃; Gleichgewichtskonzentration bei pH 6.7-10 in Abhaengigkeit von dem Molverhaeltnis des Formaldehyds und Harnstoffs; |
- 7732-18-5
water
- 57-13-6
urea
A
- 50-00-0
formaldehyd
B
- 1000-82-4
(hydroxymethyl)urea
C
- 140-95-4
1,3-bis(hydroxymethyl)urea
| Conditions | Yield |
|---|---|
| at 20℃; Product distribution; pH 6.7 bis pH 10; |
- 50-00-0
formaldehyd
- 57-13-6
urea
A
- 1000-82-4
(hydroxymethyl)urea
B
- 140-95-4
1,3-bis(hydroxymethyl)urea
C
- 13329-70-9
tris(hydroxymethyl)urea
| Conditions | Yield |
|---|---|
| at 35℃; Rate constant; pH 7; |
| Conditions | Yield |
|---|---|
| at 20 - 40℃; Kinetics; pH 6.7-12.4; | |
| at 25 - 55℃; Kinetics; pH 2-11; | |
| at 20 - 40℃; Rate constant; in Loesungen vom pH 6.7 bis pH 12.4; |
| Conditions | Yield |
|---|---|
| In ethanol for 26h; Reflux; | 61% |
Dimethylolurea Chemical Properties
Product Name: Dimethylolurea
Synonyms: DMU; DIMETHYLOLUREA; N,N'-DIMETHYLOLUREA; N,N'-BIS(HYDROXYMETHYL)UREA; 1,3-Dimethylolurea; Carbamol; Caurite; CSI Paste; Finish EN; Kaurit S; Knittex ASL; Methural; Methurin; Metural; Oxymethurea
EINECS: 205-444-0
Merck:6968
Molecular formula:C3H8N2O3
Molecular Weight:120.11
density:1.34
Flash point:100 °C
storage temp:2-8°C
Water Solubility:150 g/L
1,3-DIMETHYLOLUREA is the chemical compound with the formula.Its Molecular Weight is 120.11. Its melting point is 125 °C .It can soluble in water.
Dimethylolurea Toxicity Data With Reference
| 1. | orl-rat LD50:3400 mg/kg | GISAAA Gigiena i Sanitariya. 44 (3)(1979),68. | ||
| 2. | orl-mus LD50:1795 mg/kg | GISAAA Gigiena i Sanitariya. 44 (3)(1979),68. | ||
| 3. | orl-rbt LD50:3200 mg/kg | GISAAA Gigiena i Sanitariya. 44 (3)(1979),68. |
Dimethylolurea Consensus Reports
Dimethylolurea Safety Profile
Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx.
1,3-DIMETHYLOLUREA's Risk Statements:45:May cause cancer
1,3-DIMETHYLOLUREA's Safety Statements:24/25:Avoid contact with skin and eyes;45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
53: Avoid exposure - obtain special instruction before use
Hazard Codes:T
WGK Germany:3
RTECS:YS2716350
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