RT null T1 Commonly Used Non-ODS Substitute Refrigerants T2 Frigorigènes de Substitution Courants T2 Refrigerantes Sustitutos de Uso Comun que no son SAOmun que no son SAO A1 United Nations Environment Programme, K1 ozone K1 ozone-depleting substance K1 refrigeration YR 2016 FD 2016 LK https://wedocs.unep.org/handle/20.500.11822/28353 UL https://wedocs.unep.org/handle/20.500.11822/28353 NO COMMONLY USED NON-ODS SUBSTITUTE REFRIGERANTS 1. Global Warming Potential, WMO Scientific Assessment Report 2014; Report of the Refrigeration, Air Conditioning and Heat Pumps Technical Options Committee 2014 Assessment 2. A1 = Lower toxicity, no flame propagation (non-flammable); B1 = Higher toxicity, no flame propagation (non-flammable); A2 = Lower toxicity, flammable; A2L = Lower toxicity, lower flammability; B2L = Higher toxicity, lower flammability. 3. 2901.10 applies only if the concentration of is higher than 95%, otherwise 2711.13 (“Butanes”) applies. DS UN Environment Document Repository RD Sep 22, 2026