1,3-dimethyl-tetrahydro-pyrimidin-2-one
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
CAS: 7226-23-5
Molecular Formula: C6H12N2O
1,3-dimethyl-tetrahydro-pyrimidin-2-one - Names and Identifiers
| Name | 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone |
| Synonyms | DMPU N,N-Dimethylpropyleneurea n,n'-dimethyltrimethyleneurea DMPUN,N'-DiMethylpropyleneurea 1,3-dimethyl-perhydro-2-pyrimidinone 1,3-Dimethyl-2-oxohexahydropyrimidine 1,3-dimethyl-tetrahydro-pyrimidin-2-one tetrahydro-1,3-dimethyl-2(1h)pyrimidine 1,3-Dimethyltetrahydropyrimidin-2(1H)-one tetrahydro-1,3-dimethyl-2(1h)-pyrimidinon 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone |
| CAS | 7226-23-5 |
| EINECS | 230-625-6 |
| InChI | InChI=1/C5H10.CH4N2O/c1-4-5(2)3;2-1(3)4/h4H,1-3H3;(H4,2,3,4) |
| InChIKey | GUVUOGQBMYCBQP-UHFFFAOYSA-N |
1,3-dimethyl-tetrahydro-pyrimidin-2-one - Physico-chemical Properties
| Molecular Formula | C6H12N2O |
| Molar Mass | 128.17 |
| Density | 1.06g/mLat 25°C(lit.) |
| Melting Point | -20 °C |
| Boling Point | 146°C44mm Hg(lit.) |
| Flash Point | 121 °C |
| Water Solubility | soluble |
| Solubility | Chloroform (Slightly), Ethyl Acetate (Slightly) |
| Vapor Presure | 0.5 hPa (57 °C) |
| Appearance | Liquid |
| Color | Clear colorless to slightly yellow |
| BRN | 110562 |
| pKa | -0.65±0.20(Predicted) |
| PH | 11 (100g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Hygroscopic |
| Sensitive | Hygroscopic |
| Explosive Limit | 1.6-9.3%(V) |
| Refractive Index | n20/D 1.488(lit.) |
| Physical and Chemical Properties | Boiling Point: 246 ℃ density: 1.064 |
1,3-dimethyl-tetrahydro-pyrimidin-2-one - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R43 - May cause sensitization by skin contact R62 - Possible risk of impaired fertility R41 - Risk of serious damage to eyes |
| Safety Description | S23 - Do not breathe vapour. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| WGK Germany | 2 |
| RTECS | UW7582500 |
| FLUKA BRAND F CODES | 3-10 |
| TSCA | Yes |
| HS Code | 29335995 |
| Toxicity | LD50 orally in Rabbit: 1770 mg/kg |
1,3-dimethyl-tetrahydro-pyrimidin-2-one - Reference Information
| LogP | 0.05 at 25℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | N,N-dimethylpropenyl urea (DMPU) is an aromatic hydrocarbon derivative and can be used as an organic reagent. |
| Application | N,N-dimethylpropenyl urea (DMPU) for the preparation and structure of alkaline earth metal iodide phosphine oxide and urea complexes. |
| Use | non-polar solvent, extremely low toxicity, light and heat resistance, strong acid and strong base resistance, good solubility, can dissolve all kinds of organic, inorganic, polymer, etc. In pharmaceutical preparations, it can be added as an excipient to improve the drug absorption rate and prolong the action time. DMPU is a multifunctional aprotic polar solvent used in the N-alkylation of chiral primary amines, the O-alkylation of aldose and the synthesis of poly (aryl ether) s; it can effectively replace carcinogenic HMPA as a co-solvent for highly reactive nucleophiles and bases; It has high Z-selectivity in the formation of enolate; DMPU shows non-mutagenicity and safety. |
| autoignition temperature | 255°C |
Last Update：2024-04-09 02:00:11
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