# The Control of Explosives Precursors and Poisons Regulations 2023, Regulation 8: Amendments to Schedule 1A to the 1972 Act Extent: E+W+S (1) Schedule 1A to the 1972 Act (regulated substances and reportable substances) is amended as follows. (2) In the table in Part 1 (regulated explosives precursors)— (a) insert as the first three entries— “ Ammonium nitrate (CAS RN 6484-52-2) in concentration of 16% by weight of nitrogen in relation to ammonium nitrate or higher - Hexamine (CAS RN 100-97-0) - Hydrochloric acid (CAS RN 7647-01-0) 10% w/w ”; (b) after the entry for “Nitric acid” insert— “ Phosphoric acid (CAS RN 7664-38-2) 30% w/w ”. (3) In the table in Part 2 (regulated poisons)— (a) after the entry for “Aluminium phosphide” insert— “ Aluminium sulfide (CAS RN 1302-81-4) - ”; (b) in the entry for “Arsenic” omit “, other than those listed in Part 4 of this Schedule”; (c) after the entry for “Bromomethane” insert— “ Calcium phosphide (CAS RN 1305-99-3) - Calcium sulfide (CAS RN 20548-54-3) - ”; (d) after the entry for “Magnesium phosphide” insert— “ Magnesium sulfide (CAS RN 12032-36-9) - ”; (e) in the entry for “Mercury” for the text after “(CAS RN 7439-97-6)” substitute “; its compounds”; (f) after the entry for “Phosphorus” insert— “ Sodium sulfide (CAS RN 1313-82-2) - ”; (g) after the entry for “Thallium” insert— “ Zinc phosphide (CAS RN 1314-84-7) - 2,4-Dinitrophenol (CAS RN 51-28-5) and compounds including sodium dinitrophenolate (CAS RN 1011-73-0) - ”. (4) In Part 3 (reportable explosives precursors)— (a) omit the entries for “Hexamine” and “Ammonium nitrate”; (b) after the entry for “Magnesium powders” insert “Sulfur (CAS RN 7704-34-9)”. (5) In the table in Part 4 (reportable poisons)— (a) omit the entries for “Arsenic”, “Hydrochloric acid”, “Mercuric chloride”, “Phosphoric acid” and “Zinc phosphide”; (b) after the entry for “Metallic oxalates” insert— “ Metal phosphides - Metal sulfides and polysulfides - ” (c) after the entry for “Sodium hydroxide” insert— “ Sodium hypochlorite (CAS RN 7681-52-9) solutions above 6% available chlorine - ”. --- Source: https://www.legislation.gov.uk/uksi/2023/63/regulation/8 (the official version) Page: https://openlegislation.uk/control-of-explosives-precursors-and-poisons-regulations-2023/regulation-8 Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.