Diethyl sulfate
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Diethyl sulfate (DES) is a highly toxic, combustible, and likely carcinogenic chemical compound with the formula (C2H5)2SO4.[1] It occurs as a colorless, oily liquid with a faint peppermint odor and is corrosive to tissue and metals.[2][1] Diethyl sulfate is used as an alkylating agent to prepare ethyl derivatives of phenols, amines, and thiols. It is used to manufacture dyes and textiles.[2]
Quick Facts Names, Identifiers ...
Names | |
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Preferred IUPAC name
Diethyl sulfate | |
Other names
Sulfuric acid diethyl ester | |
Identifiers | |
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3D model (JSmol) |
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ChEBI | |
ChEMBL | |
ChemSpider |
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ECHA InfoCard | 100.000.536 |
KEGG |
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PubChem CID |
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RTECS number |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
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) (decomposes) |
decomposes in water | |
Vapor pressure | 0.29 mm Hg |
-86.8·10−6 cm3/mol | |
Hazards | |
GHS labelling: | |
Danger | |
H302, H312, H314, H332, H340, H350 | |
P201, P202, P260, P261, P264, P270, P271, P280, P281, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P310, P312, P321, P322, P330, P363, P405, P501 | |
NFPA 704 (fire diamond) | |
Flash point | 104 °C (219 °F; 377 K) |
Related compounds | |
Related compounds |
Dimethyl sulfate; diethyl sulfite |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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