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Ethyl malonate

Molecular formula: CH2(COOC2H5)2
Molecular weight: 160.17
CAS: 105-53-3
Physico-chemical property: 
It is colorless liquid with slightly fragrant scent. The melting point is -50℃. Boiling point is 198-199℃ (95℃/2.67kPa). Density is 1.055-1.056. Refractive index is 1.4143. It is slightly soluble in water and soluble in ethanol, ether, chloroform and benzene. Ethyl malonate will produce malonic acid and ethanol in the reaction of acid and alkali. 
Quality index:

Item
Index
Appearance
Colorless transparent liquid
Chrominance signal (Hazen units)
≤15
Density
1.055-1.058
Refractive index
1.413-1.415
Iron content
≤4ppm
Ethyl malonate content
≥99.2%
Ethanol content
≤0.5%
Acid value
Counted by malonic acid
≤0.2%
Counted by acetic acid
≤0.1%
Moisture(H2O)
≤0.1%
Benzene content
≤10ppm
Chlorine content
≤1.0%

Product usage: 
It is mainly used in fine organic synthesis and manufacture replace acetic acid. And synthesis chloroquine, phenylbutazonein, barbital and other pharmaceuticals in pharmaceutical industry. Besides, it can also be used in pesticide, paint, spice and other industries. 
Packing, S & T: 
200L plastic barrel. 200Kg/barrel.
It is packaged with high density polypropylene barrel. It must be packaged rigourly. And avoid moisture.



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