List of Schedule 3 substances (CWC)

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Schedule 3 substances, in the sense of the Chemical Weapons Convention, are either

toxic enough to be used as chemical weapons, or
precursors of other listed substances.

However, these chemicals also have legitimate industrial uses. Their production is subject to declaration to the OPCW as per Part VIII of the "Verification Annex", and their export to countries which are not party to the Convention is subject to certain restrictions.

Contents

1 Guidelines for Schedule 3
2 Toxic chemicals
3 Precursors
4 See also

Guidelines for Schedule 3

The following criteria shall be taken into account in considering whether a toxic chemical or precursor, not listed in other Schedules, should be included in Schedule 3:

It has been produced, stockpiled or used as a chemical weapon;
It poses otherwise a risk to the object and purpose of this Convention because it possesses such lethal or incapacitating toxicity as well as other properties that might enable it to be used as a chemical weapon;
It poses a risk to the object and purpose of this Convention by virtue of its importance in the production of one or more chemicals listed in Schedule 1 or Schedule 2, part B;
It may be produced in large commercial quantities for purposes not prohibited under this Convention.