Safety Reference
Danger
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 64-67-5
Diethyl D-tartrate
research reagent
Diethyl sulfate is an organosulfur compound that appears as a colorless, oily liquid with a faint peppermint odor. It is toxic, combustible, and likely carcinogenic, and is primarily used as an ethylating agent in chemical synthesis.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
The international HS code for Diethyl sulfate (CAS 64-67-5) is 2920.90.
2920.90
2920 90 10
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
diethyl sulfate
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CCOS(=O)(=O)OCC