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CAS RN: 96-31-1 | Product Number: D0289

1,3-Dimethylurea


Purity: >98.0%(GC)
Synonyms:
  • 1,3-Dimethylcarbamide
Documents:
25G
£12.00
2   ≥20 
500G
£24.00
3   5  

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Product Number D0289
Purity / Analysis Method >98.0%(GC)
Molecular Formula / Molecular Weight C__3H__8N__2O = 88.11  
Physical State (20 deg.C) Solid
CAS RN 96-31-1
Reaxys Registry Number 1740672
PubChem Substance ID 87566985
SDBS (AIST Spectral DB) 2161
MDL Number

MFCD00008286

Specifications
Appearance White to Almost white powder to crystaline
Purity(GC) min. 98.0 %
Melting point 102.0 to 108.0 °C
Solubility in Water almost transparency
Properties (reference)
Melting Point 105 °C
Boiling Point 270 °C
Solubility in water Soluble
Solubility (soluble in) Alcohol
Solubility (insoluble in) Ether
GHS
Pictogram Pictogram
Signal Word Warning
Hazard Statements H373 : May cause damage to organs through prolonged or repeated exposure.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P314 : Get medical advice/ attention if you feel unwell.
Related Laws:
EC Number 202-498-7
RTECS# YS9868000
Transport Information:
HS Number 2924210090
Application
Sodium- and Ammonia-Free Birch Reduction by Electroreduction

Experimental procedure: An electrochemical cell with magnesium as the anode and galvanized steel wire as the cathode is added to a substrate (0.1 mmol, 1.0 eq.), 1,3-dimethylurea (0.3 mmol, 3.0 eq), tripyrrolidinophosphine oxide (1.0 mmol, 10 eq.), and 1.5 mol/L THF solution of LiBr (500 µL). The reaction mixture is added to THF (3 mL) and is purged with argon. Electrolysis is initiated at a cell ampere of 10 mA at room temperature. After full consumption of substrate, the cell is washed with diethyl ether, and solvent is removed in vacuo. To residue solution is added diethyl ether and solution of Rochelle salt, and then is stirred until two clear layers formed. The organic layer is separated, and the aqueous layer is extracted twice with diethyl ether. The combined organic layers are dried over anhydrous MgSO4. After the organics removed in vacuo, the residue is purified by short silica colum (elution: ethyl acetate) to give product.

References


Application
Sodium- and Ammonia-Free Birch Reduction by Electroreduction

Experimental procedure: An electrochemical cell with magnesium as the anode and galvanized steel wire as the cathode is added to a substrate (0.1 mmol, 1.0 eq.), 1,3-dimethylurea (0.3 mmol, 3.0 eq), tripyrrolidinophosphine oxide (1.0 mmol, 10 eq.), and 1.5 mol/L THF solution of LiBr (500 µL). The reaction mixture is added to THF (3 mL) and is purged with argon. Electrolysis is initiated at a cell ampere of 10 mA at room temperature. After full consumption of substrate, the cell is washed with diethyl ether, and solvent is removed in vacuo. To residue solution is added diethyl ether and solution of Rochelle salt, and then is stirred until two clear layers formed. The organic layer is separated, and the aqueous layer is extracted twice with diethyl ether. The combined organic layers are dried over anhydrous MgSO4. After the organics removed in vacuo, the residue is purified by short silica colum (elution: ethyl acetate) to give product.

References


Application
Synthesis of Dihydropyrimidines via Biginelli Reaction (Three-component Reaction)

D0289

References


PubMed Literature


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