| Identification | More | [Name]
Dimethylolurea | [CAS]
140-95-4 | [Synonyms]
1,3-BIS(HYDROXYMETHYL)UREA
DIMETHYLOLUREA
DMU
N,N'-BIS(HYDROXYMETHYL)UREA
N,N'-DIMETHYLOLUREA
OXYMETHUREA
1,3-Dimethylolurea
Carbamol
Caurite
CSI Paste
Finish EN
Kaurit S
Knittex ASL
Methural
Methurin
Metural
n,n’-bis(hydroxymethyl)-ure
N,N'-Dihydroxymethylurea
Permafresh 477
Protesine DMU | [EINECS(EC#)]
205-444-0 | [Molecular Formula]
C3H8N2O3 | [MDL Number]
MFCD00014414 | [Molecular Weight]
120.11 | [MOL File]
140-95-4.mol |
| Chemical Properties | Back Directory | [Appearance]
white powder | [Melting point ]
125 °C (dec.)(lit.) | [Boiling point ]
224.08°C (rough estimate) | [density ]
1.34 | [refractive index ]
1.4610 (estimate) | [Fp ]
100 °C | [storage temp. ]
2-8°C
| [form ]
powder to crystal | [pka]
12.14±0.46(Predicted) | [color ]
White to Almost white | [Water Solubility ]
150 g/L | [Merck ]
6968 | [BRN ]
1811870 | [InChIKey]
QUBQYFYWUJJAAK-UHFFFAOYSA-N | [LogP]
-2.610 (est) | [CAS DataBase Reference]
140-95-4(CAS DataBase Reference) | [NIST Chemistry Reference]
Dimethanolurea(140-95-4) | [EPA Substance Registry System]
140-95-4(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
T | [Risk Statements ]
R45:May cause cancer. | [Safety Statements ]
S24/25:Avoid contact with skin and eyes .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S53:Avoid exposure-obtain special instruction before use . | [WGK Germany ]
3
| [RTECS ]
YS2716350 | [TSCA ]
Yes | [HS Code ]
29241990 |
| Hazard Information | Back Directory | [Chemical Properties]
white powder | [Uses]
1,3-Bis(hydroxymethyl)urea is used in preparation method of insulating waterborne polyurethane dispersion coating for electronic and electrical components. | [Uses]
In the textile industry in cotton crease- and shrink-proofing, finishing, drying, sizing; in tanning; pesticides; in photographic developers. | [Definition]
ChEBI: Oxymethurea is a member of ureas. | [Production Methods]
Dimethylolurea is produced industrially by the addition of 2 mol of formaldehyde per mole of urea in a stirred vessel. The solution is neutralized with triethanolamine. Urea is added with cooling, and the temperature must not exceed 40 ℃ in this slightly exothermic reaction. After a few hours, the reaction mixture is cooled to room temperature and dihydroxymethylurea crystals form upon cooling. The product is dried in a spray-drying tower.
| [Flammability and Explosibility]
Notclassified | [Purification Methods]
Crystallise it from aqueous 75% EtOH. [Beilstein 3 IV 107.] |
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