1,1-DIMETHYLUREA synthesis
- Product Name:1,1-DIMETHYLUREA
- CAS Number:598-94-7
- Molecular formula:C3H8N2O
- Molecular Weight:88.11
917-61-3
315 suppliers
$14.30/5g
124-40-3
544 suppliers
$18.00/100ml
598-94-7
185 suppliers
$21.00/5g
Yield:-
Reaction Conditions:
in waterHeating;
Steps:
1
In the with mechanical stirrer, a thermometer and a reflux condenser of the three neck round bottom flask is added 390 g (6 μM) of sodium sulfocyanate and 150 ml of purified water to stir at the same time heating, then adding 676 g (6 μM, 753 ml) 40% dimethylamine aqueous solution mixed, constant temperature continuously stirring 2 - 3 hours after the termination of the reaction such as, concentrated under reduced pressure, cooling crystallization, centrifugal separation, water recrystallization and vacuum dried to obtain 325 g of 1, 1 - [...] white crystalline powder, melting point 175 - 180 °C, content of 95.3%.
References:
Dongli (Nantong) Chemical Co., Ltd.;Ayibieke . Malike;A Yibieke·malike;Yi Weinan;Zhou Jian CN109956891, 2019, A Location in patent:Paragraph 0008-0013
590-28-3
272 suppliers
$10.00/5g
124-40-3
544 suppliers
$18.00/100ml
598-94-7
185 suppliers
$21.00/5g
1467-79-4
71 suppliers
$49.00/1g
598-94-7
185 suppliers
$21.00/5g
123-77-3
296 suppliers
$12.00/10g
1608-26-0
245 suppliers
$24.00/1g
598-94-7
185 suppliers
$21.00/5g