Manufacturing

Manufacturing processes in which mercury is used

The Minamata Convention on Mercury prohibits the use of mercury in certain manufacturing processes, such as the production of chlorine, caustic soda, acetaldehyde, and polyurethane. It also requires Parties to reduce the use of mercury for other processes.

Overview

Insights

Resources

Intersessional Work

Featured

Factsheet

Infographic

2025 Fact Sheet on Manufacturing Processes in Which Mercury is Used

The infographic explores key facts about manufacturing processes in which mercury is used and outlines practices that could be implemented under the Minamata Convention on Mercury.

Mexico

News

12 million project launched to stop mercury use in Mexico’s chlor-alkali industry

Government officials, industry managers, technical experts and UN officers met in Monterrey to kick off a project to stop mercury-based chlor-alkali production and clean up contaminated factories.

MO4

Minamata Online

Implementation of the Minamata Convention: Article 5 – Manufacturing Processes Using Mercury

This session will outline how the Minamata Convention addresses the use of mercury in manufacturing processes (Article 5), including the amendment adopted at COP-5 in 2023.

Documents

MC-6/5 - Consideration of the feasibility of mercury-free alternatives for manufacturing vinyl chloride monomer

Decision

| 24.11.2025

| 352.90 KB

MC-5/4 - Amendments to annexes A and B and the feasibility of mercury-free alternatives for manufacturing processes listed in annex B

Decision

| 24.11.2023

| 449.77 KB

MC-5/6 - Information on the economic and technical feasibility of mercury-free catalysts in vinyl chloride monomer production

Decision

| 24.11.2023

| 403.46 KB

MC-5/3 - Study of the global supply, production, trade and use of mercury compounds

Decision

| 24.11.2023

| 406.95 KB

MC-4/3 - Review and amendment of annexes A and B to the Minamata Convention on Mercury

Decision

| 06.07.2022

| 282.37 KB

MC-3/1 - Review of annexes A and B

Decision

| 07.01.2020

| 263.40 KB

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