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| CAS No.: | 140-95-4 |
|---|---|
| Name: | Dimethylolurea |
| Molecular Structure: | |
|
|
|
| Formula: | C3H8N2O3 |
| Molecular Weight: | 120.108 |
| 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; |
| EINECS: | 205-444-0 |
| Density: | 1.367 g/cm3 |
| Melting Point: | 125 °C (dec.)(lit.) |
| Boiling Point: | 460.5 °C at 760 mmHg |
| Flash Point: | 232.3 °C |
| Solubility: | 150 g/L in water |
| Appearance: | white powder |
| Hazard Symbols: |
 T
|
| Risk Codes: | 45 |
| Safety: | 24/25-45-53 |
| PSA: | 81.59000 |
| LogP: | -1.03300 |
| 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% |
formaldehyd
methylenediurea
A
1,3-bis(hydroxymethyl)urea
B
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; |
formaldehyd
water
urea
A
(hydroxymethyl)urea
B
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; |
water
urea
A
formaldehyd
B
(hydroxymethyl)urea
C
1,3-bis(hydroxymethyl)urea
| Conditions | Yield |
|---|---|
| at 20℃; Product distribution; pH 6.7 bis pH 10; |
formaldehyd
urea
A
(hydroxymethyl)urea
B
1,3-bis(hydroxymethyl)urea
C
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% |
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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.
| 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. |
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
