Diethyl sulfate CAS 64-67-5

CAS Number:64-67-5
Other Name :
Sulfuric acid diethyl ester;
DE
MF :C4H10O4S

Diethyl sulfate, with the CAS number 64-67-5, is an organosulfur compound characterized by its molecular formula (C2H5)2SO4. It appears as a colorless, oily liquid with a faint peppermint odor and is known for its toxic and combustible properties. Diethyl sulfate is classified as a Group 2A carcinogen by the International Agency for Research on Cancer (IARC), indicating that it is probably carcinogenic to humans.
Chemical Properties
Molecular Weight: 154.18 g/mol
Boiling Point: Approximately 104 °C (219 °F)
Melting Point: -25 °C
Appearance: Clear, colorless liquid that may turn brown upon exposure to air.
Uses
Diethyl sulfate is primarily used as an ethylating agent in the synthesis of various chemicals, including:
Dyes and pigments
Ethyl ethers and ethyl amines
Quaternary ammonium salts for surfactants and flocculants in water treatment.
Safety and Toxicity
Diethyl sulfate is highly toxic and can cause severe skin burns and eye damage. It is also harmful if swallowed or inhaled. Due to its genotoxic properties, it poses significant health risks, including potential reproductive and developmental effects. The Government of Canada has assessed diethyl sulfate as harmful to human health, emphasizing the need for careful handling and exposure management.
Regulatory Status
Diethyl sulfate is subject to various regulations due to its hazardous nature. It is not manufactured in Canada but is imported, and the government monitors its use to minimize exposure risks to the public.
In summary, diethyl sulfate is a potent chemical with significant industrial applications but poses serious health risks, necessitating stringent safety measures in its handling and use.