|
| Sub-Chapter | 2006 | 2007 |
| Fluorine, chlorine, bromine and iodine. | $30,085 | $56,812 |
| Carbon | $270 | $27 |
| Hydrogen, rare gases and other non-metals. | $37,368 | $23,667 |
| Alkali or alkaline-earth metals; | $108 | $1,223 |
| Hydrogen chloride (hydrochloric acid); | $10,821 | $8,090 |
| Sulphuric acid; oleum. | $4,374 | $10,132 |
| Nitric acid; sulphonitric acids. | $1,435 | $287 |
| Diphosphorus pentaoxide; phosphoric acid; | $1,132 | $445 |
| Oxides of boron; boric acids. | $155 | $1,590 |
| Other inorganic acids and oxygen compounds | $9,124 | $5,942 |
| Ammonia, anhydrous or in aqueous solution. | $3,424 | $477 |
| Sodium hydroxide (caustic soda); | $13,778 | $25,480 |
| Hydroxide and peroxide of magnesium; | $168 | $32 |
| Zinc oxide; zinc peroxide. | $194 | |
| Chromium oxides and hydroxides. | $472 | |
| Iron oxides and hydroxides | $2,728 | $2,737 |
| Titanium oxides. | $7,026 | $4,942 |
| Lead oxides; red lead and orange lead. | $125 | $404 |
| Hydrazine and hydroxylamine and their inorganic salts | $5,704 | $5,537 |
| Fluorides; fluorosilicates and other complex fluorine salts. | $29 | |
| Chlorides, chloride oxides and chloride hydroxides | $5,176 | $199,715 |
| Hypochlorites; commercial calcium hypochlorite | $27,462 | $14,752 |
| Chlorates and perchlorates; bromates and perbromates | $33 | $195 |
| Sulphides; polysulphides | | $551 |
| Sulphites; thiosulphates. | | $219 |
| Sulphates; alums; peroxosulphates (persulphates). | $1,076 | $5,172 |
| Nitrites; nitrates. | $4,824 | $6,822 |
| Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | $3,365 | $6,236 |
| Carbonates; peroxocarbonates (percarbonates) | $2,605 | $23,240 |
| Cyanides, cyanide oxides and complex cyanides. | $151 | |
| Fulminates, cyanates and thiocyanates. | $16,908 | $10,141 |
| Silicates; commercial alkali metal silicates. | $4,840 | $11,381 |
| Borates; peroxoborates (perborates). | $2,624 | $5,567 |
| Salts of oxometallic or peroxometallic acids. | $248 | $319 |
| Other salts of inorganic acids or peroxoacids | $1,146 | $1,055 |
| Colloidal precious metals | $331 | |
| Radioactive chemical elements and radioactive isotopes | $215 | |
| Isotopes other than those of heading 28.44 | | $82 |
| Compounds, inorganic or organic, of rare-earth metals | $740 | |
| Hydrogen peroxide, whether or not solidified with urea | $2,450 | $811 |
| Carbides, whether or not chemically defined. | $2,096 | |
| Other inorganic compounds | $2,247 | $5,183 |
| Total | $207,057 | $439,265 |
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