The Benzene Convention (C136) is an International Labour Organization standard adopted in 1971 which seeks to regulate exposure to benzene processes and products at work.

Benzene Convention, 1971
ILO Convention
Date of adoptionJune 23, 1971
Date in forceJuly 27, 1973
ClassificationToxic Substances and Agents
SubjectOccupational Safety and Health
PreviousWorkers' Representatives Convention, 1971
NextDock Work Convention, 1973

Article 11 of the convention prohibits pregnant women and nursing mothers from exposure to benzene or benzene products while at work.[1]



As of February 2024, the convention has been ratified by 38 countries (Luxembourg being the last to ratify in 2008).[2]



  1. ^ Landau, Eve C.; Beigbeder, Yves (2008-10-31). From ILO Standards to EU Law: The Case of Equality between Men and Women at Work. BRILL. p. 138. ISBN 978-90-474-4038-3.
  2. ^ "Ratifications of C136 - Benzene Convention, 1971 (No. 136)". International Labour Organization. Retrieved 2024-02-13.