Caroline Braibant, International Antimony Association (I2A) presented the “hazards” of antimony and stewardship measures engaged to enable safe use of antimony trioxide (ATO). The known hazards are lung toxicity, lung cancer, delayed ossification and maternal toxicity. GHS classifications are H351 potential carcinogen class 2 and H373 STOT RE lung (voluntary listing, STOT = specific target organ toxicity). Sales of antimony products in 2018 were worth 300 million € in the European Economic Area. Antimony is the most used synergist with halogenated flame retardants. The 31 members and associate members of have engaged actions to reduce “risk”, based on exposure assessment, risk characterisation, risk determination and risk management measures.