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Chemical compound From Wikipedia, the free encyclopedia
Methylene diurea (MDU) is the organic compound with the formula CH2(NHC(O)NH2)2. It is a white water-soluble solid. The compound is formed by the condensation of formaldehyde with urea. Methylene diurea is the substrate for the enzyme methylenediurea deaminase.
Names | |
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Preferred IUPAC name
N,N′′-Methylenediurea | |
Other names
methylenebis(urea), (carbamoylamino)methylurea | |
Identifiers | |
3D model (JSmol) |
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1812254 | |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.033.547 |
EC Number |
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694187 | |
KEGG | |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C3H8N4O2 | |
Molar mass | 132.123 g·mol−1 |
Appearance | white solid |
Melting point | 203 °C (397 °F; 476 K) |
Hazards | |
GHS labelling: | |
Warning | |
H315, H319, H335 | |
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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MDU is an intermediate in the production of urea-formaldehyde resins.[1]
Together with dimethylene triurea, MDU is a component of some controlled-release fertilizers.[2]
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