| 292.49 | Algae used primarily in perfumery, in pharmacy or medicine or for insecticidal, fungicidal or similar purposes, fresh or dried, whether or not crushed | |
| 292.97 | Algae, fresh, dried or ground, whether or not edible | |
| 098.6 | Algae, single-cell, dead | |
| 575.94 | Alginates, in primary forms | |
| 575.94 | Alginic acid, its salts and esters, in primary forms | |
| 874.13 | Alidades | |
| 531.19 | Alizarin | |
| 524.32 | Alkali chloroaurates | |
| 523.83 | Alkali metal silicates, commercial | |
| 554.21 | Alkali naphthenates, water-soluble | |
| 598.14 | Alkali resinates | |
| 523.89 | Alkali thiomolybdates | |
| 874.46 | Alkalimeters | |
| 523.82 | Alkaline earths, cyanates of | |
| 541.49 | Alkaloid tannates, not put up as medicaments | |
| 541.46 | Alkaloids of rye ergot and their derivatives, and salts thereof, not put up as medicaments | |
| 542.32 | Alkaloids, vegetable, and their derivatives, and salts thereof, put up as medicaments, not containing hormones (or their derivatives) or antibiotics (or their derivatives), in measured doses or in forms or packings for retail sale | |
| 542.31 | Alkaloids, vegetable, and their derivatives, and salts thereof, put up as medicaments, not containing hormones (or their derivatives) or antibiotics (or their derivatives), not in measured doses or in forms or packings for retail sale | |
| 574.34 | Alkyds, oil-free, based on unsaturated acid, in primary forms | |
| 554.21 | Alkyl aminopolyglycol ethers of alkylene oxide condensates | |
| 554.21 | Alkylarylsulphonates, whether or not put up for retail sale | |
| 598.93 | Alkylated diphenylamines, mixed for use as antioxidizing agents for rubber or plastics | |
| 598.41 | Alkylbenzenes, mixed (excl. products of the distillation of high temperature coal tar and similar products) | |
| 554.22 | Alkylbenzenesulphonate mixed with sodium stearate, put up for retail sale | |
| 554.23 | Alkylbenzenesulphonate mixed with sodium stearrate, not put up for retail sale | |
| 554.21 | Alkylbetaine proteins, whether or not put up for retail sale | |
| 598.45 | Alkylnaphthalenes, mixed (excl. products of the distillation of high temperature coal tar and similar products) | |
| 554.21 | Alkylnaphthalenes, sulphonated, whether or not put up for retail sale | |
| 554.21 | Alkylol aminopolyglycol ethers of alkylene oxide condensates | |
| 554.21 | Alkylphenol-ethylene oxide condensation products, whether or not put up for retail sale | |
| 514.55 | N-alkylphenylenediamines | |
| 554.21 | Alkylphenylethersulphonates, whether or not put up for retail sale | |
| 554.21 | Alkylpolyalcoholsulphates | |
| 554.21 | Alkylpolyethersulphates, whether or not put up for retail sale | |
| 554.21 | Alkylsulphates, whether or not put up for retail sale | |
| 554.21 | Alkylsulphonates, whether or not put up for retail sale | |
| 532.31 | Alkylsulphonylchlorides ("syntans") | |
| 514.55 | N-alkyltolylenediamines and their salts | |
| 511.19 | Allene, not less than 90% pure | |
| 525.19 | Alloys containing fissile or radioactive elements or isotopes or any of their compounds (excl. those of headings 525.11, 525.13 and 525.17) | |