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Diethyl carbonate

Diethyl carbonate Structure
Diethyl carbonate
  • CAS No.105-58-8
  • Chemical Name:Diethyl carbonate
  • CBNumber:CB8852663
  • Molecular Formula:C5H10O3
  • Formula Weight:118.13
  • MOL File:105-58-8.mol
Diethyl carbonate Property
  • Melting point: :-43 °C (lit.)
  • Boiling point: :126-128 °C (lit.)
  • Density  :0.975 g/mL at 25 °C (lit.)
  • vapor density  :4.1 (vs air)
  • vapor pressure  :10 mm Hg ( 23.8 °C)
  • refractive index  :n20/D 1.384(lit.)
  • Flash point: :88 °F
  • storage temp.  :no restrictions.
  • solubility  :18.8mg/l insoluble
  • form  :Liquid
  • color  :Clear
  • PH :6.3 (1g/l, H2O)
  • Odor :Pleasant, etheral; mild and nonresidual.
  • explosive limit :1.4-11.0%(V)
  • Water Solubility  :Negligible
  • Sensitive  :Moisture Sensitive
  • Merck  :14,3780
  • BRN  :956591
  • Stability: :Stable. Flammable. Incompatible with strong acids, strong bases, reducing agents, oxidizing agents. Protect from moisture.
  • CAS DataBase Reference :105-58-8(CAS DataBase Reference)
  • NIST Chemistry Reference :Carbonic acid, diethyl ester(105-58-8)
  • EPA Substance Registry System :Diethyl carbonate (105-58-8)
Safety
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H226-H315-H319-H335
  • Precautionary statements P233-P240-P241+P242+P243-P264-P280-P303+P361+P353-P305+P351+P338+P337+P313-P403+P235-P501-P210-P370+P378-P261-P305+P351+P338-P405-P501a
Diethyl carbonate Price More Price(22)
  • Brand: Sigma-Aldrich
  • Product number: 8.02898
  • Product name : Diethyl carbonate
  • Purity: for synthesis
  • Packaging: 100 mL
  • Price: $24.97
  • Updated: 2021/03/22
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  • Brand: Sigma-Aldrich
  • Product number: D87201
  • Product name : 2-Chloro-N,N-diethylethylamine hydrochloride
  • Purity: 99%
  • Packaging: 100 g
  • Price: $29.5
  • Updated: 2021/03/22
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  • Brand: Sigma-Aldrich
  • Product number: 8.02898
  • Product name : Diethyl carbonate
  • Purity: for synthesis
  • Packaging: 500 mL
  • Price: $36.26
  • Updated: 2021/03/22
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  • Brand: Sigma-Aldrich
  • Product number: 517135
  • Product name : Diethyl carbonate
  • Purity: anhydrous, ≥99%
  • Packaging: 100ml
  • Price: $43.4
  • Updated: 2020/08/18
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 8.02898
  • Product name : Diethyl carbonate
  • Purity: for synthesis
  • Packaging: 1 L
  • Price: $46.8
  • Updated: 2021/03/22
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Diethyl carbonate Chemical Properties,Usage,Production

  • Chemical Properties colourless liquid with a mild odour
  • Uses Solvent for nitrocellulose; manufacture of radio tubes; fixing rare earths to cathode elements.
  • Production Methods Manufacturing steps: (a) reacting chlorine and carbon monoxide to produce (COCl2); (b) reacting phosgene with ethyl alcohol to make ethyl chlorocarbonate (ClCO2C2H5); (c) reacting ethyl chlorocarbonate with anhydrous ethyl alcohol to produce diethyl carbonate.
  • Synthesis Reference(s) Journal of the American Chemical Society, 104, p. 1769, 1982 DOI: 10.1021/ja00370a068
  • General Description A colorless liquid with a mild pleasant odor. Diethyl carbonate is slightly less dense than water and insoluble in water. Hence floats on water. Flash point 77°F. Vapors are heavier than air. When heated to high temperatures Diethyl carbonate may emit acrid smoke. Used as a solvent.
  • Air & Water Reactions Highly flammable. Insoluble in water.
  • Reactivity Profile Diethyl carbonate reacts with acids to liberate heat along with ethanol and carbon dioxide. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction with caustic solutions. Flammable hydrogen is generated by mixing with alkali metals and hydrides.
  • Health Hazard High vapor concentrations can cause headache, irritation of eyes and respiratory tract, dizziness, nausea, weakness, loss of consciousness.
  • Chemical Reactivity Reactivity with Water Too slow to be hazardous; Reactivity with Common Materials: No reaction; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.
  • Safety Profile Wdly toxic by subcutaneous route. Questionable carcinogen with experimental tumorigenic and teratogenic data. A dangerous fire hazard when exposed to heat or flame; can react with oxidizing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and fumes. See also ANHYDRIDES.
  • Carcinogenicity A study using male and female mice treated with 0, 50, 250, or 1000 ppm (0–140 mg/kg/day) diethyl carbonate in drinking water indicated no carcinogenic effects.
  • Purification Methods Wash the ester (100mL) with an aqueous 10% Na2CO3 (20mL) solution, saturated CaCl2 (20mL), then water (30mL). After drying by standing over solid CaCl2 for 1hour (note that prolonged contact should be avoided because slow combination with CaCl2 occurs), it should be fractionally distilled. Also dry it over MgSO4 and distil it. [Beilstein 3 H 5, 3 I 4, 3 II 4, 3 III 5, 3 IV 5.]
Diethyl carbonate Preparation Products And Raw materials
Raw materials
Preparation Products
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  • Diethyl carbonate from fandachem
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