Diethyl malonate CAS number: 105-53-3
Product indicators: Content: ≥99.5%;
Acidity: ≤0.07%;
Moisture ≤0.07%;
Appearance: colorless transparent liquid.
Main packaging: 200KG plastic barrel, 1 ton IBC barrel, 24MT ISO container tank.
Applications:
1. Used as an intermediate for pharmaceutical sulfonamide and barbiturate, and also as an intermediate for spices and dyes.
2. GB 2760-96 stipulates that it is an edible flavoring allowed for use. It is mainly used to prepare fruit flavors such as pears, apples, grapes, and cherries.
3. Diethyl malonate is an important intermediate for the preparation of 2-amino-4,6-dimethoxypyrimidine, which can be used to prepare sulfonylurea herbicides such as benzylsulfuron-methyl, pyrazosulfuron-methyl, nicosulfuron-methyl, etc. It is also an intermediate for sulfonamides and barbiturates in medicine.
4. Diethyl malonate is an organic synthesis intermediate. It is widely used in the production of dyes, spices, sulfonylurea herbicides, etc. Diethyl malonate is mainly used to produce ethoxymethylene, barbituric acid, alkyl malonate, and then synthesize medicines such as norfloxacin, romycloxacin, chloroquine, phenylbutazone, etc. and synthesize dyes and pigments such as benzimidazolone organic pigments. Foreign diethyl malonate is mainly used to produce ethoxymethylene, barbituric acid and diethyl malonate alkylate.
5. Determination of ammonia and potassium. Gas chromatography stationary liquid (maximum operating temperature 40°C, solvents are benzene, chloroform, ethanol). Solvent for resin and nitrocellulose, plasticizer. Organic synthesis.
