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CAS No:77-25-8 diethyl 2,2-diethylpropanedioate
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diethyl diethylmalonate

  • CAS No.: 77-25-8
  • Purity: 98%min
  • Min quantity: 500 Kilograms
  • Price: USD 500~1500/Kilograms
  • Place of Orign: Wuhan,Hubei,China
Ms.dong wen

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Item specifics

  • Product Name.:diethyl diethylmalonate
  • CAS No: 77-25-8
  • Weight: 216.2741
  • Formula: C11H20O4
  • Boiling Point: 228-230 °C(lit.)
  • Density: 0.99 g/mL at 25 °C(lit.)

Details

High purity 98% diethyl diethylmalonate pharmaceutical intermediate cas 77-25-8
High purity 98% diethyl diethylmalonate pharmaceutical intermediate cas 77-25-8


Quick detail:
English name: DIETHYL DIETHYLMALONATE
English alias: DEDEM;DIETHYLYLMALONIC ACID DIETHYL ESTER;DIETHYL DIETHYLMALONATE;DIETHYLMALONIC ACID DIETHYL ESTER;DIETHYLMALONIC ESTER;2,2-diethyl-malonicaciddiethylester;Diethyl 2,2-diethylmalonate
CAS number: 77-25-8
EINECS number: 201-016-2
Formula: C11H20O4
Molecular weight: 216.28
Boiling point: 229°C at 760 mmHg
Flash point: 94.4°C
Density: 0.996g/cm3
Assay:98%
Appearance: A colorless liquid
Structure:



Description:
It’s made by ethyl malonate,in the reaction flask,adding absolute ethanol 300mL, sodium metal 24.85g (1.08mol) stirring, after the reaction, a solution of diethyl malonate 80g (0.5mol), about 1h End ,water bath 15min, cooled solid precipitated. Solution of iodine oxide 156g (1.0mol), about 1h, step reflux 3h,. Ethanol was distilled off. Diluted with cold water and extracted with ether (75ml × 3). The combined ether extracts were washed with water, dried over anhydrous calcium chloride. The ether was distilled off, and then temperature distillation, collecting fractions of 218 ~ 222 ℃ to give diethyl malonate 。


Application:
It Used as raw material of medicine and pesticide intermediates



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