Organisation for the Prohibition of Chemical Weapons (OPCW)

Organisation pour l'interdiction des armes chimiques (OIAC)
Organización para la Prohibición de las Armas Quimicas (OPAQ)

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29 Apr 1997, The Hague (Netherlands), on entry into force of the Convention on the Prohibition of the Development, Production, Stockpiling and Use of Chemical Weapons and on Their Destruction (CWC). The Convention, also referred to as 'Chemical Weapons Convention', was adopted by Conference on Disarmament (CD) on 3 Sep 1992, Geneva (Switzerland), after approval by the General Assembly of the United Nations (UN); was opened for signature in Jan 1993, Paris (France); and entered into force on 29 Apr 1997. Prior to the Convention coming into force, administration was covered by Preparatory Commission for the Organization for the Prohibition of Chemical Weapons.


Oversee implementation of the Chemical Weapons Convention; provide a forum for consultation and cooperation among states party to the Convention and for international cooperation in the peaceful uses of chemistry; provide states party to the Convention with assistance and protection against the use or threat of use of chemical weapons.

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Chemical Weapons Convention is a comprehensive disarmament and non-proliferation treaty aiming to eliminate an entire class of weapons of mass destsruction, banning the development, production, stockpiling, acquisition, retention, transfer and use of chemical weapons, and including mechanisms for international verification of compliance. It also provides for destruction of chemical weapons and related production facilities in all States Parties to the Convention, under international supervision within a specific time-frame. Compliance is verified through a combination of detailed declaration requirements, routine inspections of declared chemical weapons and chemical industry facilities, plus short notice challenge inspections at any time, at any place under the jurisdiction or control of any party to the Convention.


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Arabic, Chinese, English, French, Russian, Spanish.


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Relations with Inter-Governmental Organizations

Relations with 6 inter-governmental organizations.
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Relations with Non-Governmental Organizations

Relations with 2 non-governmental organizations.
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Members in 193 countries
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Type I Classification

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Type II Classification

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Subjects *

  • Fundamental Sciences
    • Chemicals
  • Defence
    • Arms
  • Law
    • Agreements
    • Prohibition
  • International Relations
    • United Nations

UN Sustainable Development Goals **

GOAL 16: Peace and Justice Strong Institutions



Last News Received

14. Sep 2018
* Subject classification is derived from the organization names and aims.
** UN SDGs are linked to the subject classification.

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