Table of Quantities for Precursors under Section 24B Drug Misuse and Trafficking Act 1985
| Precursor | Quantity required to fall under section 24B |
| Acetic anhydride | 1.0L |
| 4-Amino butanoic acid (also known as Piperidinic acid) | 1.5kg |
| Anethole | 0.1L |
| Boron tribromide | 0.25L |
| Bromobenzene | 0.5L |
| Bromo safrole | 0.05L |
| 1-Chloro-1-phenyl-2-aminopropane | 0.25kg |
| Ethyl phenyl acetate | 0.5kg |
| Gamma hydroxybutanoic acid (including salts) (also known as Gamma hydroxybutyric acid) | 1.5L |
| Hydriodic acid | 1.0L |
| 4-Hydroxybutanal (also known as 4-Hydroxybutyraldehyde) | 1.5L |
| 4-Hydroxy-butanoic acid nitrile (also known as 4-Hydroxybutyronitrile) | 1.5L |
| 4-Hydroxy-pentanoic acid (also known as Gamma valerolactone) | 1.5L |
| 2-Hydroxytetrahydrofuran (also known as Tetrahydro-2-furanol) | 1.5L |
| Hypophosphite salts | 0.25kg |
| Hypophosphorous acid | 0.25L |
| 3,4-Methylenedioxyphenylpropan-2-one (also known as 3,4-Methylenedioxy-phenyl-2-propanone) | 0.05kg |
| N-Methylephedrine | 0.25kg |
| Methyl phenylacetate | 0.5kg |
| N-Methylpseudoephedrine | 0.25kg |
| Norpseudoephedrine | 0.25kg |
| Phenylacetamide | 0.5kg |
| Phenylacetic acid | 0.5kg |
| Phenylacetonitrile | 0.5L |
| Phenylacetyl chloride | 0.5L |
| 1-Phenyl-1-propanone (also known as Phenylethylketone, Propiophenone) | 0.25L |
| Phosphorus (red or white) | 0.1kg |
| Phosphorous acid (also known as Phosphonic acid) | 0.25L |
| Piperonal (also known as 3,4-Methylenedioxy-benzaldehyde or Heliotopine) | 0.1kg |
| Pyridine | 1.0L |
| 2-Pyrrolidone (also known as Gamma butyrolactam) | 1.5L |
| Safrole (also known as 5-(2-Propenyl)-1,3-Benzodioxide) | 0.1L |
| Sassafras oil | 0.1L |