| 25 | | | HS Code for Salt; sulfur; land and stones; plaster, cal and cement |
| 2519 | | HS Code for Natural magnesium carbonate (magnesite); fused magnesia;
dead-burned (sintered) magnesia whether or not containing small quantities of other oxides added before sintering; other magnesium oxide whether or
not pure |
| | 25191000 | Natural magnesium carbonate (magnesite) |
| | 25199010 | Fused magnesia |
| | 25199020 | Sintered magnesia (dead burned magnesite) |
| | 25199030 | Alkali burned magnesium (light burned magnesium) |
| | 25199091 | Chemically pure magnesium oxide |
| | 25199099 | Non-pure magnesium oxide |
| 29 | | | HS Code for Organic chemicals |
| 2910 | | HS Code for Epoxides epoxyalcohols epoxyphenols and expoxyethers with a three-membered ring and their halogenated sulphonated nitrated or nitrosated derivatives |
| | 29101000 | Ethylene oxide |
| | 29102000 | Methyl ethylene oxide (propylene oxide) |
| | 29103000 | 1-chloro-2,3-epoxypropane (epichlorohydrin) |
| | 29104000 | Dieldrin (iso, inn) |
| | 29105000 | Endrin |
| | 29109000 | Three epoxides, epoxides (phenols, ethers) and their halogenated, sulfonated, nitrated, or nitrosated derivatives |
| 2912 | | HS Code for Aldehydes whether or not with other oxygen function; cyclic polymers ofaldehydes; paraformaldehyde |
| | 29122990 | Other ring aldehydes |
| 2921 | | HS Code for Amine function compounds |
| | 29213000 | Ring (alkene, alkene, terpene) monoamines or polyamines and derivatives, and salts thereof |
| 2932 | | HS Code for Heterocyclic compounds with oxygen hetero-atom (s) only |
| | 29321900 | Other structures are non-fused furan ring compounds (whether or not hydrogenated) |
| 2933 | | HS Code for Heterocyclic compounds with nitrogen hetero-atom(s) only |
| | 29331990 | Other structures are non-fused pyrazole ring compounds (whether or not hydrogenated) |
| | 29332900 | Other structures are non-fused imidazole ring compounds (whether or not hydrogenated) |
| | 29333990 | Other structures are non-fused pyridine ring compounds (whether or not hydrogenated) |
| | 29334900 | Other compounds containing quinolin or isoquinoline ring system (but without further fusing) |
| | 29335990 | Other compounds with pyrimidine ring or piperazine ring (whether or not hydrogenated) |
| | 29336990 | Other structures containing non-fused triazine ring compounds (whether or not hydrogenated) |
| 2934 | | HS Code for Nucleic acids and their salts;whether or not chemically defined; other heterocyclic compounds |
| | 29341000 | Structures containing non-fused thiazole rings (whether or not hydrogenated) |
| | 29342000 | Compounds containing a benzothiazole ring system (but without further fusing, whether or not hydrogenated) |
Harmonized Tariff Schedule of China inquiry: textile
