| 2620.60 | | Containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metalsor for the manufacture of their chemical compounds: | | | | |
| 2620.60.10 | 00 | Of a kind used only for the extraction of arsenic or the manufacture of its chemical compounds | kg | 5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 25% |
| 2844 | | Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: | | | | |
| 2922.41.00 | 10 | Meeting requirements of Food Chemical Codex, Codex Alimentarius or United States Pharmacopeia | kg | | | |
| 3006.60.00 | 00 | Chemical contraceptive preparations based on hormones, on other products of heading 2937 or on spermicides | kg | Free | | 25% |
| 3101.00.00 | 00 | Animal or vegetable fertilizers, whether or not mixed together or chemically treated; fertilizers produced by the mixing or chemical treatment of animal or vegetable products | t | Free | | Free |
| 3102 | | Mineral or chemical fertilizers, nitrogenous: | | | | |
| 3103 | | Mineral or chemical fertilizers, phosphatic: | | | | |
| 3104 | | Mineral or chemical fertilizers, potassic: | | | | |
| 3105 | | Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg: | | | | |
| 3105.20.00 | 00 | Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium | t | Free | | Free |
| 3105.51.00 | 00 | Other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus: | | | | |
| 3105.60.00 | 00 | Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium | t | Free | | Free |
| 3707 | | Chemical preparations for photographic uses (other than varnishes, glues, adhesives and similar preparations); unmixed products for photographic uses, put up in measured portions or put up for retail sale in a form ready for use: | | | | |
| 3707.90.31 | 00 | Chemical preparations for photographic uses: | | | | |
| 3818.00.00 | | Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics | | Free | | 25% |
| 3824 | | Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included: | | | | |
| 3824.90.70 | 00 | Mixtures of dibromo neopentyl glycol; Polydibromophenylene oxide; Tetrabromobisphenol-A-carbonate oligomers; and Electroplating chemical and electroless plating solutions and other materials for printed circuit boards, plastics and metal finishings | kg | Free | | 25% |
| 3825 | | Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other wastes specified in note 6 to this chapter: | | | | |
| 3825.61.00 | 00 | Other wastes from the chemical or allied industries: | | | | |
| 3912 | | Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms: | | | | |
| 3913 | | Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms: | | | | |
| 3913.90.10 | 00 | Chemical derivatives of natural rubber | kg | Free | | 20% |
| 3920.71.00 | 00 | Of cellulose or its chemical derivatives: | | | | |
| 4702.00.00 | | Chemical woodpulp, dissolving grades | | Free | | Free |
