Diethyl sulfate

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Diethyl sulfate

Diethyl sulfate 150px
General
Other names Sulfuric acid, diethyl ester
Molecular formula C4H10SO4
SMILES O=S(=O)(OCC)OCC
Molar mass 154.2 g/mol
Appearance colorless liquid
CAS number [64-67-5]
Properties
Density and phase 1.2 g/ml, liquid
Solubility in water 0.7 g/100 ml (25 °C)
Melting point −25 °C
Boiling point 209 °C decomp.
Viscosity ? cP at ? °C
Hazards
MSDS External MSDS
EU classification Toxic (T)
Carc. Cat. 2
Muta. Cat. 2
NFPA 704
NFPA 704.svg
1
3
1
 
R-phrases
S-phrases S53, S45
Flash point 104 °C
RTECS number WS7875000
Supplementary data page
Structure and
properties
n, εr, etc.
Thermodynamic
data
Phase behaviour
Solid, liquid, gas
Spectral data UV, IR, NMR, MS
Related compounds
Related compounds Dimethyl sulfate
Except where noted otherwise, data are given for
materials in their standard state (at 25 °C, 100 kPa)
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Overview

Diethyl sulfate is a highly toxic and likely carcinogenic chemical compound with formula (C2H5)2Template:SulfurO4 and CAS number 64-67-5. It occurs as a colorless viscous liquid with a peppermint odor.

Diethyl sulfate is used as an alkylating agent to prepare ethyl derivatives of phenols, amines, and thiols.

See also

Readings

  • Buck, J. R. Park, M.; Wang, Z.; Prudhomme, D. R.; Rizzo, C. J. "9-Ethyl-3,6-Dimethylcarbazole (DMECZ) [ 9H-Carbazole, 9-ethyl-3,6-dimethyl-]
  • Organic Syntheses, Vol. 77, p.153 (Coll. Vol. 10, p.396). N-Ethylation using Et2SO4.

External links

de:Diethylsulfat



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