Diethyl sulfate

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Diethyl sulfate


Other names Sulfuric acid diethyl ester
Identifiers
CAS number	64-67-5^Y
PubChem	6163
ChemSpider	5931^Y
KEGG	C14706^Y
ChEMBL	CHEMBL163100^Y
RTECS number	WS7875000
Jmol-3D images	Image 1
SMILES O=S(=O)(OCC)OCC
InChI InChI=1S/C4H10O4S/c1-3-7-9(5,6)8-4-2/h3-4H2,1-2H3^Y Key: DENRZWYUOJLTMF-UHFFFAOYSA-N^Y InChI=1/C4H10O4S/c1-3-7-9(5,6)8-4-2/h3-4H2,1-2H3 Key: DENRZWYUOJLTMF-UHFFFAOYAR
Properties
Molecular formula	C₄H₁₀O₄S
Molar mass	154.18 g mol⁻¹
Appearance	Colorless liquid
Density	1.2 g/mL
Melting point	−25 °C; −13 °F; 248 K
Boiling point	209 °C; 408 °F; 482 K (decomp.)
Solubility in water	0.7 g/100 mL
Hazards
EU classification	Toxic (T) Carc. Cat. 2 Muta. Cat. 2
R-phrases	R45 R46 R20/21/22 R34
S-phrases	S53 S45
NFPA 704	1 3 1
Flash point	104 °C; 219 °F; 377 K
Related compounds
Related compounds	Dimethyl sulfate; diethyl sulfite
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Diethyl sulfate is a highly toxic and likely carcinogenic^[1] chemical compound with formula (C₂H₅)₂SO₄. It occurs as a colorless liquid with a peppermint odor.

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

References

↑ IARC (1992). Diethyl Sulfate. Summaries and Evaluations 54. International Agency for Research on Cancer (IARC). p. 213.

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