Product Name

  • Name

    tert-Butyl diethylphosphonoacetate

  • EINECS -0
  • CAS No. 27784-76-5
  • Article Data21
  • CAS DataBase
  • Density 1.077 g/cmH3
  • Solubility Not miscible or difficult to mix in water.
  • Melting Point 100-103 °C1.5 mm Hg(lit.)
  • Formula C10H21O5P
  • Boiling Point 274.7 °C at 760 mmHg
  • Molecular Weight 252.247
  • Flash Point 155.1 °C
  • Transport Information
  • Appearance Colorless transparent liquid
  • Safety 26-36
  • Risk Codes 36/38
  • Molecular Structure Molecular Structure of 27784-76-5 (tert-Butyl diethylphosphonoacetate)
  • Hazard Symbols R36/38:Irritating to eyes and skin.;
  • Synonyms Diethylphosphonoacetic Acid tert-Butyl Ester;Diethyl (tert-Butoxycarbonylmethyl)phosphonate;
  • PSA 71.64000
  • LogP 2.59420

tert-Butyl diethylphosphonoacetate Chemical Properties

 Product Name: tert-Butyl diethylphosphonoacetate (CAS NO.27784-76-5)


Molecular Formula: C10H21O5P
Molecular Weight: 252.24g/mol
Mol File: 27784-76-5.mol
Boiling point: 274.7 °C at 760 mmHg
Flash Point: 155.1 °C
Density: 1.077 g/cm3
Refractive index: n20/D 1.431(lit.)
Surface Tension: 33 dyne/cm
Enthalpy of Vaporization: 51.31 kJ/mol
Vapour Pressure: 0.00532 mmHg at 25°C
XLogP3-AA: 1.1
H-Bond Donor: 0
H-Bond Acceptor: 5
Structure Descriptors of tert-Butyl diethylphosphonoacetate (CAS NO.27784-76-5):
  IUPAC Name: tert-butyl 2-diethoxyphosphorylacetate
  Canonical SMILES: CCOP(=O)(CC(=O)OC(C)(C)C)OCC
  InChI: InChI=1S/C10H21O5P/c1-6-13-16(12,14-7-2)8-9(11)15-10(3,4)5/h6-8H2,1-5H3 
  InChIKey: NFEGNISFSSLEGU-UHFFFAOYSA-N
Product Categories: C-C Bond Formation; Horner-Wadsworth-Emmons Reagents; Olefination

tert-Butyl diethylphosphonoacetate Safety Profile

Safety Information of tert-Butyl diethylphosphonoacetate (CAS NO.27784-76-5):
Risk Statements: 36/38 
36:  Irritating to the eyes 
38:  Irritating to the skin 
Safety Statements: 26-36
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:  Wear suitable protective clothing 
WGK Germany: 3

tert-Butyl diethylphosphonoacetate Specification

  tert-Butyl diethylphosphonoacetate , its CAS NO. is 27784-76-5, the synonyms are Diethylphosphonoacetic Acid tert-Butyl Ester ; Diethyl (tert-Butoxycarbonylmethyl)phosphonate .

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