Diethyl sulfate

Diethyl sulfate
Molecular structure of diethyl sulfate.
Space filling molecular structure of diethyl sulfate.
Names
Preferred IUPAC name
Diethyl sulfate
Other names
Sulfuric acid diethyl ester
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.000.536 Edit this at Wikidata
KEGG
RTECS number
  • WS7875000
UNII
  • InChI=1S/C4H10O4S/c1-3-7-9(5,6)8-4-2/h3-4H2,1-2H3 checkY
    Key: DENRZWYUOJLTMF-UHFFFAOYSA-N checkY
  • InChI=1/C4H10O4S/c1-3-7-9(5,6)8-4-2/h3-4H2,1-2H3
    Key: DENRZWYUOJLTMF-UHFFFAOYAR
  • O=S(=O)(OCC)OCC
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:
GHS05: CorrosiveGHS07: Exclamation markGHS08: Health hazard
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)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
3
1
1
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).
checkY verify (what is checkY☒N ?)

Diethyl sulfate (DES) is an organosulfur compound with the formula (C2H5)2SO4.[1][2] It occurs as a colorless, oily liquid with a faint peppermint odor. It is toxic, combustible, and likely carcinogenic chemical compound.[3][2] Diethyl sulfate is used as an ethylating agent.

  1. ^ Cite error: The named reference Ullmann was invoked but never defined (see the help page).
  2. ^ a b "Diethyl Sulfate | CAMEO Chemicals | NOAA". cameochemicals.noaa.gov. Retrieved 2021-03-04.
  3. ^ "NCI Thesaurus". ncit.nci.nih.gov. Retrieved 2021-04-02.