Diethyl sulfate

Template:Chembox header | Diethyl sulfate
Diethyl sulfate File:Diethyl sulfate-3d.png
Template:Chembox header | 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]
Template:Chembox header | 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
Template:Chembox header | Hazards
MSDS	External MSDS
EU classification	Toxic (T) Carc. Cat. 2 Muta. Cat. 2
NFPA 704	Template:NFPA 704
R-phrases
S-phrases	Template:S53, Template:S45
Flash point	104 °C
RTECS number	WS7875000
Template:Chembox header | Supplementary data page
Structure and properties	n, εr, etc.
Thermodynamic data	Phase behaviour Solid, liquid, gas
Spectral data	UV, IR, NMR, MS
Template:Chembox header | Related compounds
Related compounds	Dimethyl sulfate
Template:Chembox header | Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

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Overview

Diethyl sulfate is a highly toxic and likely carcinogenic chemical compound with formula (Template:Carbon₂Template:Hydrogen₅)₂Template:SulfurTemplate:Oxygen₄ 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

• Dimethyl sulfate
• Diethyl sulfite

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

• WebBook page for C4H10SO4
• International Chemical Safety Card 0570
• IARC Monograph: "Diethyl sulfate"