Global InformationDMPU information
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| Names | |
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| Preferred IUPAC name
1,3-Dimethyl-1,3-diazinan-2-one[1] | |
| Other names
N,N′-Dimethyl-N,N′-trimethyleneurea
N,N′-Dimethylpropyleneurea 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone | |
| Identifiers | |
CAS Number
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3D model (JSmol)
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| Abbreviations | DMPU |
| ChEMBL |
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| ChemSpider |
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| ECHA InfoCard | 100.027.841 |
| EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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InChI
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SMILES
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| Properties | |
Chemical formula
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C6H12N2O |
| Molar mass | 128.175 g·mol−1 |
| Density | 1.064 g/cm3 |
| Melting point | −20 °C; −4 °F; 253 K |
| Boiling point | 246.5 °C (475.7 °F; 519.6 K) (Source) |
Solubility in water
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miscible |
Refractive index (nD)
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1.4875-1.4895 |
| Hazards | |
| GHS labelling: | |
Pictograms
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Signal word
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Danger |
Hazard statements
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H302, H318, H361f |
Precautionary statements
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P201, P202, P264, P270, P280, P281, P301+P312, P305+P351+P338, P308+P313, P310, P330, P405, P501 |
| Flash point | 121 °C (250 °F; 394 K) |
| Safety data sheet (SDS) | External MSDS |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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N,N′-Dimethylpropyleneurea (DMPU) is a cyclic urea sometimes used as a polar, aprotic organic solvent. In 1985, Dieter Seebach showed that it is possible to replace the suspected carcinogen hexamethylphosphoramide (HMPA) with DMPU.[2]
- ^ Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.
- ^ Mukhopadhyay, T.; Seebach, D. (1982). "Substitution of HMPT by the cyclic urea DMPU as a cosolvent for highly reactive nucleophiles and bases". Helvetica Chimica Acta. 65 (1): 385–391. doi:10.1002/hlca.19820650141.