Diethyl sulfate

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Diethyl sulfate


Other names	Sulfuric acid diethyl ester
Identifiers
CAS number	[64-67-5]
RTECS number	WS7875000
SMILES	O=S(=O)(OCC)OCC
Properties
Molecular formula	C₄H₁₀SO₄
Molar mass	154.2 g/mol
Appearance	colorless liquid
Density	1.2 g/ml, liquid
Melting point	−25 °C
Boiling point	209 °C decomp.
Solubility in water	0.7 g/100 ml (25 °C)
Hazards
EU classification	Toxic (T) Carc. Cat. 2 Muta. Cat. 2
NFPA 704	1 3 1
R-phrases	R45, R46, R20/21/22, R34
S-phrases	S53, S45
Flash point	104 °C
Related compounds
Related compounds	Dimethyl sulfate; diethyl sulfite
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Diethyl sulfate is a highly toxic and likely carcinogenic^{[citation needed]} chemical compound with formula (C₂H₅)₂S O₄. 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.

[edit] References

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[edit] Further reading

Buck, J. R. Park, M.; Wang, Z.; Prudhomme, D. R.; Rizzo, C. J.. "9-Ethyl-3,6-Dimethylcarbazole (DMECZ)". Org. Synth. 77: 153.
Shammi Theodore and P.S.T. Sai (2001). "Esterification of Ethanol with Sulfuric Acid: A Kinetic Study". Canadian Journal of Chemical Engineering 79: 54.