Sub-Chapter200520062007200820092010
Fluorine, chlorine, bromine and iodine.$8,039     
Carbon $11,098  $909$846
Hydrogen, rare gases and other non-metals.$1,728,380$1,364,191$371,337$197,150$110,714$197,457
Alkali or alkaline-earth metals;$334,877$20    
Hydrogen chloride (hydrochloric acid);  $42$53,669 $570
Sulphuric acid; oleum.$8,102$25,082$33,728$32,584$20,146$11,797
Nitric acid; sulphonitric acids.$23,065$148,096$308$3,717$1,287 
Diphosphorus pentaoxide; phosphoric acid;$861,006,859$995,021,326$1,076,438,329$2,976,699,042$1,002,215,512$1,633,333,117
Oxides of boron; boric acids. $34    
Other inorganic acids and oxygen compounds$535,810$574,071$114,115$3,246,182$4,638,866$4,657,452
Sodium hydroxide (caustic soda);$1,192,473$569,705$592,238$814,785$2,847,336$2,821,516
Zinc oxide; zinc peroxide.$5,380,953$25,021,271$23,740,395$16,096,512$8,072,982$15,382,303
Artificial corundum, whether or not chemically defined;    $30,400$36,023
Chromium oxides and hydroxides. $5,217    
Iron oxides and hydroxides   $145  
Cobalt oxides and hydroxides  $20$777,101$559,700$1,264,332
Titanium oxides. $16,740  $25,143 
Lead oxides; red lead and orange lead.$8,789$8,877   $61
Hydrazine and hydroxylamine and their inorganic salts$2,935 $27,542$249,843$1,859,926$4,560,996
Fluorides; fluorosilicates and other complex fluorine salts.$2,204     
Chlorides, chloride oxides and chloride hydroxides$77$114$10,615$94,852$30,649 
Hypochlorites; commercial calcium hypochlorite$26,189$37,578$38,814$40,442$106,278$43,498
Chlorates and perchlorates; bromates and perbromates $2,531 $10,826 $7,084
Sulphides; polysulphides$805$16  $29,129 
Sulphites; thiosulphates.  $12,594$83$1,322$21,085
Sulphates; alums; peroxosulphates (persulphates).$1,487,585$336,994$512,322$160,429$716,518$858,314
Nitrites; nitrates.$1,466$20,729  $46,494$17,351
Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates$7,864$20,675$51,523$53,616$56,049$119,442
Carbonates; peroxocarbonates (percarbonates)$11,784$6,863$13,809$5,172$118,882$30,241
Cyanides, cyanide oxides and complex cyanides. $122,132$544,729$835,279$352,965 
Silicates; commercial alkali metal silicates.$2,000$96,276$112,722$632$29,151$2,699
Borates; peroxoborates (perborates).$3,061$3,932$107$301  
Salts of oxometallic or peroxometallic acids. $6  $124$119
Other salts of inorganic acids or peroxoacids $137  $12,654$116,977
Colloidal precious metals$296     
Radioactive chemical elements and radioactive isotopes $406  $46,358 
Isotopes other than those of heading 28.44  $61   
Compounds, inorganic or organic, of rare-earth metals$255     
Hydrogen peroxide, whether or not solidified with urea $30 $357 $98
Carbides, whether or not chemically defined.$11     
Other inorganic compounds$6,435$3,784$2,153$884$841 
Total$871,780,314$1,023,417,931$1,102,617,503$2,999,373,603$1,021,930,335$1,663,483,378