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The Control of Explosives Precursors and Poisons Regulations 2023

Over the coming weeks, our sales teams will be asking customers to complete a customer statement as part of changes to The Control of Explosives Precursors and Poisons Regulations 2023 which come into force from 1 October 2023.

This will apply to the following products:

Regulated substances and concentration thresholds

Explosives precursors

  • Ammonium nitrate in concentration of 16% by weight of nitrogen in relation to ammonium nitrate or higher
  • Hexamine
  • Hydrochloric acid (CAS RN 7647-01-0): 10% w/w
  • Hydrogen peroxide:12% w/w
  • Nitromethane: 30% w/w
  • Nitric acid: 3% w/w
  • Phosphoric acid: 30% w/w
  • Sodium chlorate: 40% w/w
  • Potassium chlorate: 40% w/w
  • Sodium perchlorate: 40% w/w
  • Potassium perchlorate: 40% w/w
  • Sulfuric acid: 15% w/w


  • Aluminium phosphide
  • Aluminium sulfide
  • Arsenic, compounds of, the following—Calcium arsenites; Copper acetoarsenite; Copper arsenates; Copper arsenites; Lead arsenates
  • Barium salts (other than barium sulphate, barium carbonate and barium silicofluoride)
  • Bromomethane
  • Calcium Sulfide
  • Chloropicrin
  • Fluoroacetic acid, its salts and Fluoroacetamide
  • Hydrogen cyanide and metal cyanides (other than ferrocyanides and ferricyanides)
  • Lead acetates and compounds of lead with acids from fixed oils
  • Magnesium phosphide
  • Magnesium sulfide
  • Mercury and its compounds
  • Oxalic acid: 10% w/w
  • Phenols (phenol; phenolic isomers of the following: Cresols, Xylenols, Monoethylphenols); compounds of phenols with a metal, 60% w/w of phenols or, for compounds of phenols with a metal, the equivalent of 60% w/w of phenols
  • Phosphorus yellow
  • Sodium sulfide
  • Ttrychnine and its salts and its quaternary compounds
  • Thallium and its salts
  • Zinc and Calcium phosphide (CAS RN 1314-84-7)
  • 2,4 Dinitrophenol and compounds including Sodium dinitrophenolate

Reportable substances

Explosives precursors

  • Acetone

  • Potassium nitrate
  • Sodium nitrate
  • Calcium nitrate
  • Calcium ammonium nitrate
  • Aluminium powders
  • Magnesium powders
  • Sulfur
  • Magnesium nitrate hexahydrate


  • Aldicarb
  • Alpha-chloralose
  • Ammonia 10% w/w
  • Barium, salts of, the following: barium carbonate; barium silicofluoride
  • Carbofuran
  • Cycloheximide
  • Dinitrocresols (DNOC) their compounds with a metal or a base
  • Dinoseb its compounds with a metal or a base
  • Dinoterb
  • Drazoxolon; its salts
  • Endosulfan
  • Endothal its salts
  • Endrin
  • Fentin compounds of
  • Formaldehyde 5% w/w
  • Formic acid 25% w/w
  • Hydrofluoric acid alkali metal bifluorides; ammonium bifluoride alkali metal fluorides; ammonium fluoride sodium silicofluoride
  • Metallic oxalates
  • Metal phosphides
  • Metal sulfides and polysulfides
  • Methomyl
  • Nicotine its salts; its quaternary compounds
  • Nitrobenzene 0.1% w/w
  • Oxamyl
  • Paraquat salts of
  • Phenols (as defined in part 2 of this schedule) in substances containing no more than 60%, weight in weight, of phenols; compounds of phenols with a metal in substances containing no more than the equivalent of 60%, weight in weight, of phenols
  • Phosphorus compounds, the following: Azinphos-methyl, Chlorfenvinphos, Demephion, Demeton-S-methyl, Demeton-S-methyl sulphone, Dialifos, Dichlorvos, Dioxathion, Disulfoton, Fonofos, Mecarbam, Mephosfolan, Methidathion, Mevinphos, Omethoate, Oxydemeton-methyl, Parathion, Phenkapton, Phorate, Phosphamidon, Pirimiphos-ethyl, Quinalphos, Thiometon, Thionazin, Triazophos, Vamidothion
  • Potassium hydroxide 17% of total caustic alkalinity
  • Sodium hydroxide 12% of total caustic alkalinity
  • Sodium hypochlorite solutions above 6% available chlorine
  • Sodium nitrite
  • Thiofanox

Corrosive products and substances – Offensive Weapons Act 2019

  • Ammonium hydroxide (CAS RN 1336-21-6): 10% w/w
  • Formic acid (CAS RN 64-18-6): 10% w/w
  • Hydrochloric acid (CAS RN 7647-01-0): 10% w/w
  • Hydrofluoric acid (CAS RN 7664-39-3): 0% w/w
  • Nitric acid (CAS RN 7697-37-2): 3% w/w
  • Phosphoric acid (CAS RN 7664-38-2): 70% w/w
  • Sodium hydroxide (CAS RN 1310-73-2): 12% w/w
  • Sodium hypochlorite (CAS RN 7681-52-9): 10% w/w
  • Sulfuric acid (CAS RN 7664-93-9): 15% w/w

If you have any questions, please contact your Airedale Group sales representative or

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