Guidance

List of chemicals

Updated 8 August 2024

This is a list of chemicals defined in the Poisons Act.

Regulated explosives precursors

Substance CAS RN number
ammonium nitrate: 16% N (CAS RN 6484-52-2)
hexamine (CAS RN 100-97-0)
hydrochloric acid: 10% w/w (CAS RN 7647-01-0)
hydrogen peroxide: 12% w/w (CASÌýRN 7722-84-1)
nitromethane: 30% w/w (CASÌýRN 75-52-5)
nitric acid: 3% w/w (CASÌýRN 7697-37-2)
phosphoric acid: 30% w/w (CAS RN 7664-38-2)
potassium chlorate: 40% w/w (CASÌýRN 3811-04-9)
potassium perchlorate: 40% w/w (CASÌýRN 7778-74-7)
sodium chlorate: 40% w/w (CASÌýRN 7775-09-9)
sodium perchlorate: 40% w/w (CASÌýRN 7601-89-0)
sulfuric acid: 15% w/w (CASÌýRN 7664-93-9)

When the concentration of these explosives precursors is lower, they are reportable explosives precursors.

Regulated poisons

Substance CAS RN Number
aluminium phosphide (CASÌýRN 20859-73-8)
aluminium sulfide (CAS RN 1302-81-4)
arsenic and its compounds (arsenic: CASÌýRN 7440-38-2)
barium and its salts (other than barium sulphate, barium carbonate and barium silicofluoride) (barium: CASÌýRN 7440-39-3)
bromomethane (CASÌýRN 74-83-9)
calcium phosphide (CAS RN 1305-99-3)
calcium sulfide (CAS RN 20548-54-3)
chloropicrin (CASÌýRN 76-06-2)
fluoroacetic acid, its salts and fluoroacetamide (fluoroacetic acid: CASÌýRN 144-49-0)
hydrogen cyanide and metal cyanides (other than ferrocyanides and ferricyanides) (hydrogen cyanide: CASÌýRN 74-90-8)
lead acetates and compounds of lead with acids from fixed oils (lead acetate: CASÌýRN 15347-57-6)
magnesium phosphide (CASÌýRN 12057-74-8)
magnesium sulfide (CAS RN 12032-36-9)
mercury and its compounds (mercury: CASÌýRN 7439-97-6)
oxalic acid: 10% w/w (CASÌýRN 144-62-7)
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 (phenol: CAS RN 108-95-2)
phosphorus yellow (CASÌýRN 7723-14-0)
sodium sulfide (CAS RN 1313-82-2)
strychnine and its salts and its quaternary compounds (strychnine: CASÌýRN 57-24-9)
thallium and its salts (thallium: CASÌýRN 7440-28-0)
zinc phosphide (CAS RN 1314-84-7)
2,4-dinitrophenol and compounds including sodium dinitrophenolate (2,4-dinitrophenol: CAS RN 51-28-5) (sodium dinitrophenolate: CAS RN 1011-73-0)

When the concentration of these poisons is lower, they are reportable poisons.

Reportable explosives precursors

Substance CAS RN number
acetone (CASÌýRN 67-64-1)
aluminium powders (CASÌýRN 7429-90-5)
calcium nitrate (CASÌýRN 10124-37-5)
calcium ammonium nitrate (CASÌýRN 15245-12-2)
magnesium nitrate hexahydrate (CASÌýRN 13446-18-9)
magnesium powders (CASÌýRN 7439-95-4)
potassium nitrate (CASÌýRN 7757-79-1)
sodium nitrate (CASÌýRN 7631-99-4)
sulfur (CAS RN 7704-34-9)

Reportable poisons

Substance CAS RN Number
aldicarb (CASÌýRN 116-06-3)
alpha-chloralose (CASÌýRN 15879-93-3)
ammonia 10% w/w (CASÌýRN 7664-41-7 andÌýCASÌýRN 1336-21-6)
barium, salts of, the following: barium carbonate; barium silicofluoride Ìý
carbofuran (CASÌýRN 1563-66-2)
cycloheximide (CASÌýRN 66-81-9)
dinitrocresols (DNOC), their compounds with a metal or a base (dinitrocresol: CASÌýRN 534-52-1)
dinoseb its compounds with a metal or a base (CASÌýRN 88-85-7)
dinoterb (CASÌýRN 1420-07-1)
drazoxolon; its salts (drazoxolon CAS RN 5707-69-7)
endosulfan (CASÌýRN 115-29-7)
endothal, its salts (endothal: CASÌýRN 145-73-3)
endrin (CASÌýRN 72-20-8)
fentin, compounds of (fentin: CASÌýRN 668-34-8)
formaldehyde 5% w/w (CASÌýRN 50-00-0)
formic acid 25% w/w (CASÌýRN 64-18-6)
hydrofluoric acid alkali metal bifluorides; ammonium bifluoride alkali metal fluorides; ammonium fluoride; sodium silicofluoride (hydrofluoric acid: CASÌýRN 7664-39-3) (ammonium bifluoride: CASÌýRN 1341-49-7) (ammonium fluoride: CASÌýRN 12125-01-8) (sodium silicofluoride: CASÌýRN 16893-85-9)
metallic oxalates Ìý
metal phosphides Ìý
metal sulfides and polysulfides Ìý
methomyl (CASÌýRN 16752-77-5)
nicotine, its salts; its quarternary compounds (nicotine: CASÌýRN 54-11-5)
nitrobenzene 0.1% w/w (CASÌýRN 98-95-3)
oxamyl (CASÌýRN 23135-22-0)
paraquat, salts of (paraquat: CASÌýRN 4685-14-7)
phenols 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 Ìý
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 Ìý
potassium hydroxide 17% of total caustic alkalinity (CASÌýRN 1310-58-3)
sodium hydroxide 12% of total caustic alkalinity (CASÌýRN 1310-73-2)
sodium nitrite (CAS RN 7632-00-0)
sodium hypochlorite solutions, above 6% available chlorine (CAS RN 7681-52-9)
thiofanox (CASÌýRN 39196-18-4)

Products of particular interest are those in which a reportable chemical is either:

  • present on its own or the main ingredient
  • present in a simple mixture, typically less than 5 ingredients

Products containing less than 1% of any of the reportable chemicals, or fertilizers that are not labelled for nitrogen (N) content are, in general, of no concern.

»Ê¹ÚÌåÓýapp spelling of the chemicals is taken from the International Union of Pure and Applied Chemistry (IUPAC) nomenclature.