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Triethyl orthoacetate

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Triethyl orthoacetate Basic information
Triethyl orthoacetate Chemical Properties
  • Boiling point:142 °C (lit.)
  • Density 0.885 g/mL at 25 °C (lit.)
  • vapor pressure 3.4 hPa (20 °C)
  • refractive index n20/D 1.396(lit.)
  • RTECS KJ4075000
  • Flash point:97 °F
  • storage temp. Store below +30°C.
  • form Liquid
  • color Clear colorless to slightly yellow
  • explosive limit0.9-7.0%(V)
  • Water Solubility SLIGHTLY SOLUBLE
  • Sensitive Moisture Sensitive
  • BRN 506201
  • CAS DataBase Reference78-39-7(CAS DataBase Reference)
  • NIST Chemistry ReferenceEthane, 1,1,1-triethoxy-(78-39-7)
  • EPA Substance Registry SystemEthane, 1,1,1-triethoxy- (78-39-7)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 10-36/38
  • Safety Statements 26-37/39-16
  • RIDADR UN 3272 3/PG 3
  • WGK Germany 1
  • Autoignition Temperature455 °C
  • TSCA Yes
  • HazardClass 3
  • PackingGroup III
  • HS Code 29159080
MSDS
Triethyl orthoacetate Usage And Synthesis
  • DescriptionTriethyl orthoacetate is the ethyl orthoester of acetic acid. It is an oily liquid with a pungent odor. Triethyl orthoacetate is used as a water scavenger and as intermediate for synthesis of pharmaceuticals. It is used in organic synthesis for the introduction of the acetate group to an alcohol and in the Johnson-Claisen rearrangement.
  • Reference
    • J. S. Lindsey, I. C. Schreiman, H. C. Hsu, P. C. Kearney, A. M. Marguerettaz, Rothemund and Adler-Longo reactions revisited: synthesis of tetraphenylporphyrins under equilibrium conditions, The Journal of Organic Chemistry, 1987, vol. 52, pp. 827-836
    • R. C. Capozza, Polymeric orthoesters housing beneficial drug for controlled release therefrom, Patent US4066747A
  • Chemical Propertiesclear colourless liquid
  • UsesIntermediate.
  • UsesTriethyl orthoacetate is used as pharmaceutical and water scavenger. It is also used in organic synthesis to introduce the acetate group into an alcohol. It is involved in the Johnson-Claisen rearrangement.
  • HazardModerate fire risk.
Triethyl orthoacetate Preparation Products And Raw materials
Triethyl orthoacetate(78-39-7)Related Product Information
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