Skip to main content
  • العربية
  • 中文
  • English
  • Français
  • Русский
  • Español

Main navigation

  • Search
  • About Us

    About Us

    • Mission
    • History
    • OPCW Basics
    • Member States
    • Conference of the States Parties
    • Executive Council
    • Technical Secretariat

      Technical Secretariat

      • Leadership

        Leadership

        • Director-General
        • Deputy Director-General
      • Divisions

        Divisions

        • Verification
        • Inspectorate
        • International Cooperation and Assistance
        • Secretariat for the Policy-Making Organs
        • External Relations
        • Office of Strategy and Policy
        • Office of Internal Oversight
        • Office of the Legal Adviser
        • Office of Confidentiality and Security
        • Health and Safety
        • Administration
    • Subsidiary Bodies

      Subsidiary Bodies

      • Advisory Body on Administrative and Financial Matters
      • Confidentiality Commission
      • Scientific Advisory Board
      • Advisory Board on Education and Outreach
    • Our Partners
    • Nobel Peace Prize
    • Visit the OPCW
  • Our Work

    Our Work

    • What is a Chemical Weapon?
    • Eliminating Chemical Weapons
    • Preventing Re-emergence
    • Supporting National Implementation
    • Promoting Chemistry for Peace
    • Ensuring Preparedness
    • Responding to the Use of Chemical Weapons
    • Supporting Victims
    • Achieving Universality
  • The Convention

    The Convention

    • Articles

      Articles

      • Preamble
      • Article I – General Obligations
      • Article II – Definitions and Criteria
      • Article III – Declarations
      • Article IV – Chemical Weapons
      • Article V – Chemical Weapons Production Facilities
      • Article VI – Activities Not Prohibited Under this Convention
      • Article VII – National Implementation Measures
      • Article VIII – The Organization
      • Article IX – Consultations, Cooperation and Fact‑Finding
      • Article X – Assistance and Protection Against Chemical Weapons
      • Article XI – Economic and Technological Development
      • Article XII – Measures to Redress a Situation and to Ensure Compliance, including Sanctions
      • Article XIII – Relation to Other International Agreements
      • Article XIV – Settlement of Disputes
      • Article XV – Amendments
      • Article XVI – Duration and Withdrawal
      • Article XVII – Status of the Annexes
      • Article XVIII – Signature
      • Article XIX – Ratification
      • Article XX – Accession
      • Article XXI – Entry Into Force
      • Article XXII – Reservations
      • Article XXIII – Depositary
      • Article XXIV – Authentic Texts
    • Annexes

      Annexes

      • Annex on Chemicals

        Annex on Chemicals

        • Annex on Chemicals
        • Schedule 1
        • Schedule 2
        • Schedule 3
      • Confidentiality Annex
      • Verification Annex

        Verification Annex

        • Part I – Definitions
        • Part II – General Rules of Verification
        • Part III – General Provisions for Verification Measures Pursuant to Articles IV, V and VI, Paragraph 3
        • Part IV(A) – Destruction of Chemical Weapons and Its Verification Pursuant to Article IV
        • Part IV(B) – Old Chemical Weapons and Abandoned Chemical Weapons
        • Part V – Destruction of Chemical Weapons Production Facilities and Its Verification Pursuant to Article V
        • Part VI – Regime for Schedule 1 Chemicals and Facilities Related to such Chemicals
        • Part VII – Regime for Schedule 2 Chemicals and Facilities Related to such Chemicals
        • Part VIII – Regime for Schedule 3 Chemicals and Facilities Related to such Chemicals
        • Part IX – Regime for other Chemical Production Facilities
        • Part X – Challenge Inspections Pursuant to Article IX
        • Part XI – Investigations in cases of Alleged Use of Chemical Weapons
    • Download the Convention
  • Media Centre

    Media Centre

    • News
    • OPCW by the Numbers
    • Speeches and Statements
    • Photos and B-Roll Video Footage
    • OPCW Logo
    • Featured Topics

      Featured Topics

      • Syria and the OPCW
      • Ukraine
      • The OPCW Artificial Intelligence Research Challenge
      • The Case of Alexei Navalny
      • CHEMEX GRULAC 2026
      • ChemTech Centre
    • Public Information Requests and Media Guidelines
  • Resources

    Resources

    • Documents

      Documents

      • Annual Reports
      • Conference of States Parties

        Conference of States Parties

        • CSP-30
        • CSP-29
        • More…
      • Executive Council

        Executive Council

        • EC-111
        • EC-110
        • More…
      • Technical Secretariat

        Technical Secretariat

        • 2026
        • 2025
        • More…
      • Subsidiary Bodies

        Subsidiary Bodies

        • Advisory Board on Education and Outreach
        • Advisory Body on Administrative and Financial Matters
        • Confidentiality Commission
        • Scientific Advisory Board
      • Preparatory Commission
    • Declarations

      Declarations

      • Declaration Requirements for Scheduled Chemicals
      • Determining Declarable Industrial Facilities
      • Preparing Declarations
      • Secure Information Exchange (SIX)
      • Electronic Declaration Information System (EDIS)
      • Handbook on Chemicals
      • Most Traded Scheduled Chemicals 2022
    • Industry Inspections

      Industry Inspections

      • What to Expect
      • Pre-Inspection Briefing
    • Capacity Building

      Capacity Building

      • National Implementation Programmes

        National Implementation Programmes

        • Implementation Capacity Assessment and Support
        • National Authorities Annual Meeting
        • National Authorities Regional Meetings
        • Training-of-Trainers for Customs
        • General Training Course
        • Declarations and Inspections (Article VI Obligations) Training Course
        • Chemical Industry and National Authorities Meeting
        • Influential Visitors Programme
        • National Authority Mentorship / Partnership Programme
        • Internship Programme for Legal Drafters and National Authorities
        • Stakeholders Forum on National Implementing Legislation
      • Assistance and Protection Programmes

        Assistance and Protection Programmes

        • Training Cycles
        • Table Top Exercises
        • Specialised Training Programmes
        • Training of Trainers Programme
        • Instructor Development and Exchange Programme
        • Article X Workshops
      • International Cooperation Programmes

        International Cooperation Programmes

        • Proficiency Test Training Courses
        • Africa Programme
        • Associate Programme
        • Chemical Safety and Security Management Programme
        • Chemical Safety and Security Management Tools Development Programme
        • Chemical Safety and Security Needs Assessment and Best Practices
        • Responsible Care® Workshops
        • Executive Programme on Integrated Chemicals Management
        • Analytical Skills Development Course
        • Laboratory Twinning Initiative
        • Equipment Exchange Programme
        • Customs Laboratory Training
        • Laboratory Assistance Programme
        • Basic Analytical Chemistry Course for Women
        • Research Project Support Programme
        • Fellowship Programme
        • Conference Support Programme
        • Women in Chemistry
        • Policy and Diplomacy for Scientists Workshop
        • Peaceful Uses of Chemistry Forum
        • Article XI Workshop
    • National Implementation

      National Implementation

      • National Implementation Framework
      • Model Implementing Legislation
      • Legislation Compendium
    • Assistance and Protection

      Assistance and Protection

      • Medical Aspects of Assistance and Protection Against Chemical Weapons
      • Practical Guide for Medical Management of Chemical Warfare Casualties
      • What to do in a Chemical Emergency
    • Science and Technology
    • Education and Outreach
    • OPCW Agreements
    • Catalyst
  • Work with Us

    Work with Us

    • Our Internal Vision
    • Diversity & Inclusion
    • Employment
    • Internships
    • Business Opportunities
  • Calendar

Organisation for the Prohibition of Chemical Weapons

Working together for a world
free of chemical weapons

As the implementing body for the Chemical Weapons Convention,
the OPCW, with its 193 Member States, oversees the global endeavour
to permanently and verifiably eliminate chemical weapons.

The Hague Ethical Guidelines
CHEMEX GRULAC 2026

Recent News

All News
  • Commemoration of the 1988 Halabja Chemical Weapons Attack Statement by OPCW Director-General, Fernando Arias 16 March 2026
  • OPCW releases landmark report on AI and the Chemical Weapons Convention OPCW releases landmark report on AI and the Chemical Weapons Convention New scientific assessment highlights how artificial intelligence could reshape chemistry, verification, and chemical security 11 March 2026
  • Japan contributes nearly €200,000 to strengthen OPCW activities  Japan contributes nearly €200,000 to strengthen OPCW activities The contribution will support the Organisation’s work in Syria and Ukraine 9 March 2026
  • Republic of Korea provides €83,000 to enhance OPCW activities  Republic of Korea provides €83,000 to enhance OPCW activities Voluntary contribution will support OPCW’s work in Syria and the 15th Workshop on the Peaceful Development and Use of Chemistry 9 March 2026
  • Philippines contributes €15,000 to strengthen OPCW activities in Syria Philippines contributes €15,000 to strengthen OPCW activities in Syria The contribution will reinforce the OPCW’s ongoing efforts to support Syria in fulfilling its obligations under the Chemical Weapons Convention 9 March 2026
  • OPCW strengthens chemical emergency preparedness in Latin America and the Caribbean  OPCW strengthens chemical emergency preparedness in Latin America and the Caribbean From hands-on training to regional exercises, the OPCW equips first responders with the skills and knowledge needed for effective chemical emergency response 5 February 2026
OPCW

OPCW by the Numbers

193 States committed to the Chemical Weapons Convention • 98% of the global population live under the protection of the Convention • 100% of the chemical weapons stockpiles declared by possessor States have been verifiably destroyed • More Numbers

Footer menu

  • Legal
  • Privacy
  • Contact

Copyright © 2026 Organisation for the Prohibition of Chemical Weapons