HSN Code for Chapter 28 - Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
2801
Fluorine, chlorine, bromine and iodine
2802
Sulphur, sublimed or precipitated; colloidal sulphur
2803
Carbon "carbon blacks and other forms of carbon", n.e.s.
2804
Hydrogen, rare gases and other non-metals
2805
Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury
2806
Hydrogen chloride "hydrochloric acid"; chlorosulphuric acid
2807
Sulphuric acid; oleum
2808
Nitric acid; sulphonitric acids
2809
Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined
2810
Oxides of boron; boric acids
2811
Inorganic acids and inorganic oxygen compounds of non-metals (excluding hydrogen chloride "hydrochloric acid", chlorosulphuric acid, sulphuric acid, oleum, nitric acid, sulphonitric acids, diphosphorus pentaoxide, phosphoric acid, polyphosphoric acids, oxides of boron and boric acids)
2812
Halides and halide oxides of non-metals
2813
Sulphides of non-metals; commercial phosphorus trisulphide
2814
Ammonia, anhydrous or in aqueous solution
2815
Sodium hydroxide "caustic soda", potassium hydroxide "caustic potash"; peroxides of sodium or potassium
2816
Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium
2817
Zinc oxide; zinc peroxide
2818
Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide
2819
Chromium oxides and hydroxides
2820
Manganese oxides
2821
Iron oxides and hydroxides; earth colours containing = 70% by weight of combined iron evaluated as Fe2O3
2822
Cobalt oxides and hydroxides; commercial cobalt oxides
2823
Titanium oxides
2824
Lead oxides; red lead and orange lead
2825
Hydrazine and hydroxylamine and their inorganic salts; inorganic bases, metal oxides, hydroxides and peroxides, n.e.s.
2826
Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts (excluding inorganic or organic compounds of mercury)
2827
Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides
2828
Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites
2829
Chlorates and perchlorates; bromates and perbromates; iodates and periodates
2830
Sulphides; polysulphides, whether or not chemically defined
2831
Dithionites and sulfoxylates
2832
Sulphites; thiosulphates
2833
Sulphates; alums; peroxosulphates "persulphates"
2834
Nitrites; nitrates
2835
Phosphinates "hypophosphites", phosphonates "phosphites" and phosphates; polyphosphates, whether or not chemically defined
2836
Carbonates; peroxocarbonates "percarbonates"; commercial ammonium carbonate containing ammonium carbamate
2837
Cyanides, cyanide oxides and complex cyanides
2838
Fulminates, cyanates and thiocyanates
2839
Silicates; commercial alkali metal silicates (excluding inorganic or organic compounds of mercury)
2840
Borates; peroxoborates "perborates"
2841
Salts of oxometallic or peroxometallic acids
2842
Salts of inorganic acids or peroxoacids, incl. aluminosilicates whether or not chemically defined (excluding of oxometallic or peroxometallic acids and azides, and inorganic or organic compounds of mercury)
2843
Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals
2844
Radioactive chemical elements and radioactive isotopes, incl. their fissile or fertile chemical elements and isotopes, and their compounds; mixtures and residues containing these products
2845
Non-radioactive isotopes; inorganic or organic compounds of such isotopes, whether or not chemically defined
2846
Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals
2847
Hydrogen peroxide, whether or not solidified with urea
2848
Phosphides, whether or not chemically defined (excluding ferrophosphorus, and inorganic or organic compounds of mercury whether or not chemically defined)
2849
Carbides, whether or not chemically defined
2850
Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined (excluding compounds which are also carbides of heading 2849, and inorganic or organic compounds of mercury whether or not chemically defined)
2851
Inorganic compounds, incl. distilled or conductivity water and water of similar purity, n.e.s.; liquid air, whether or not rare gases have been removed; compressed air; amalgams (other than amalgams of precious metals)
2852
Compounds, inorganic or organic, of mercury, whether or not chemically defined (excluding amalgams)
2853
Inorganic compounds, incl. distilled or conductivity water and water of similar purity, n.e.s.; liquid air, whether or not rare gases have been removed; compressed air; amalgams (excluding amalgams of precious metals)
