Chapter 28

Halogens: Fluorine, Chlorine, Bromine, Iodine

HS code 2801 covers chemical halogens including fluorine, chlorine, bromine, and iodine, used in water purification, medicine, and industrial chemical processes

Sublimed, Precipitated and Colloidal Sulphur

HS code 2802 covers refined sulphur forms including sublimed, precipitated, and colloidal varieties typically used in pharmaceutical, chemical, and vulcanizatio

Carbon Black and Other Forms of Carbon

HS code 2803 is the primary classification for carbon black and furnace black used as reinforcing agents in rubber manufacturing and as pigments in inks and coa

Hydrogen, Rare Gases and Other Non-Metals

HS code 2804 covers elementary non-metals including industrial gases like hydrogen and argon, and solid elements such as high-purity silicon used in electronics

Alkali Metals, Rare-Earth Metals and Mercury

HS code 2805 covers alkali and alkaline-earth metals, rare-earth metals including scandium and yttrium, and elementary mercury used in industrial and laboratory

Hydrogen Chloride and Chlorosulphuric Acid

HS code 2806 covers hydrogen chloride (hydrochloric acid) and chlorosulphuric acid, which are critical industrial chemicals used for cleaning, etching, and orga

Sulphuric Acid and Oleum

HS code 2807 is the global standard for sulphuric acid and oleum, utilized extensively in chemical manufacturing, lead-acid batteries, and metal leaching.

Nitric and Sulphonitric Acids

HS code 2808 covers nitric acid and sulphonitric acids, essential corrosive chemicals used for fertiliser manufacturing, metal refining, and explosives producti

Phosphoric Acid and Phosphorus Oxides

HS code 2809 covers phosphoric acids and diphosphorus pentaoxide, primarily used in the manufacturing of phosphate fertilizers and as a food-grade acidity regul

Oxides of Boron and Boric Acids

HS code 2810 covers boric acids and boron oxides, essential for manufacturing heat-resistant glass, enamels, and chemical flame retardants.

Other Inorganic Acids and Oxygen Compounds

HS code 2811 covers other inorganic acids and oxygen compounds of non-metals, including carbon dioxide, nitrous oxide, and silicon dioxide (silica gel).

Halides and Halide Oxides of Non-Metals

HS code 2812 covers halides and halide oxides of non-metals, such as phosphorus trichloride and thionyl chloride, commonly used in organic synthesis.

Non-metal Sulphides and Phosphorus Trisulphide

HS code 2813 covers sulphides of non-metals including carbon disulphide and phosphorus trisulphide, essential for match manufacturing and chemical synthesis.

Ammonia (Anhydrous or Aqueous)

HS code 2814 is for anhydrous or aqueous ammonia, used globally for industrial refrigeration, fertiliser production, and professional cleaning applications.

Sodium and Potassium Hydroxides

HS code 2815 covers sodium hydroxide (caustic soda) and potassium hydroxide, vital alkaline chemicals used in paper, soap, and textile processing industries.

Magnesium, Strontium, and Barium Oxides

HS code 2816 covers magnesium hydroxide, magnesium peroxide, and oxides/peroxides of strontium or barium for pharmaceutical and industrial applications.

Zinc Oxide and Peroxide

HS code 2817 covers zinc oxide and zinc peroxide pigments and industrial chemicals used in rubber, skincare, and ceramic glazes worldwide.

Aluminium Oxide and Hydroxide

HS code 2818 is for aluminium oxide and aluminium hydroxide, serving as the primary raw materials for aluminium smelting and industrial abrasive manufacturing.

Chromium Oxides and Hydroxides

HS code 2819 covers chromium trioxide and chromium oxides used primarily for industrial electroplating and the production of green inorganic pigments.

Manganese Oxides

HS code 2820 is for manganese dioxide and other manganese oxides used for battery cathode manufacturing and as oxidising agents in chemical labs.

Iron Oxides, Hydroxides, and Earth Colours

HS code 2821 covers synthetic iron oxides and hydroxides, plus earth colours with over 70% iron content, used as pigments for construction and paints.

Cobalt Oxides and Hydroxides

HS code 2822 tracks cobalt oxides and hydroxides used in rechargeable battery cathodes, ceramic enamels, and industrial chemical catalysts.

Titanium Oxides

HS code 2823 covers titanium oxides, primarily used as a high-performance white pigment and opacifier in the paint, plastic, and paper industries.

Lead Oxides, Red Lead, and Orange Lead

HS code 2824 covers lead monoxide (litharge), red lead, and orange lead for battery manufacturing, glass production, and anti-corrosive coatings.

Hydrazine, Hydroxylamine, and Other Metal Oxides

HS code 2825 includes hydrazine, hydroxylamine, and metal oxides like copper, tin, or molybdenum oxides used as catalysts and industrial intermediates.

Fluorides and Complex Fluorine Salts

HS code 2826 covers fluorides, fluorosilicates, and fluoroaluminates, including synthetic cryolite, used in aluminium smelting and electronics manufacturing.

Chlorides, Bromides and Iodides

HS code 2827 covers inorganic chlorides, chloride oxides, bromides, and iodides used primarily in metal finishing, pharmaceutical manufacturing, and chemical sy

Hypochlorites and Chlorites

HS code 2828 covers hypochlorites and chlorites including commercial calcium hypochlorite used as industrial bleaching agents and swimming pool sanitisers.

Chlorates, Perchlorates and Iodates

HS code 2829 is for chlorates, perchlorates, bromates, and iodates primarily utilised as oxidisers in explosives, matches, and chemical laboratory reagents.

Sulphides and Polysulphides

HS code 2830 covers inorganic sulphides and polysulphides used in leather tanning, mineral ore processing, and as chemical reagents in dye manufacturing.

Dithionites and Sulphoxylates

HS code 2831 is for dithionites and sulphoxylates, primarily used as powerful reducing agents in textile dyeing, paper bleaching, and chemical processing.

Sulphites and Thiosulphates

HS code 2832 covers sulphites and thiosulphates used as oxygen scavengers in water treatment, food preservatives, and photographic fixing agents.

Sulphates, Alums and Persulphates

HS code 2833 covers inorganic sulphates, alums, and peroxosulphates used in water treatment, construction materials, and as chemical catalysts.

Nitrites and Nitrates

HS code 2834 involves nitrites and nitrates used as industrial oxidisers, meat preservatives, and in the manufacturing of pyrotechnics and explosives.

Phosphates and Polyphosphates

HS code 2835 covers phosphinates, phosphonates, phosphates, and polyphosphates used in detergents, food processing, and industrial metal treatment.

Carbonates and Peroxocarbonates

HS code 2836 covers inorganic carbonates and peroxocarbonates, including soda ash and sodium bicarbonate used in glass, detergents, and food production.

Cyanides and Complex Cyanides

HS code 2837 covers cyanides, cyanide oxides, and complex cyanides used in metallurgy and chemical synthesis, requiring strict safety and environmental controls

Silicates and Alkali Metal Silicates

HS code 2839 covers silicates and commercial alkali metal silicates, including liquid water glass used in soaps, cements, and fireproofing treatments.

Borates and Peroxoborates

HS code 2840 is for borates and peroxoborates, specifically focusing on refined chemicals like disodium tetraborate used in glass and detergent manufacturing.

Oxometallic and Peroxometallic Salts

HS code 2841 covers salts of oxometallic or peroxometallic acids, such as chromates and dichromates, used as pigments and powerful industrial oxidising agents.

Other Inorganic Acid Salts

HS code 2842 is a residual heading for inorganic acid salts and aluminosilicates used in industrial catalysis and specialised water treatment applications.

Precious Metal Compounds and Amalgams

HS code 2843 covers colloidal precious metals, their inorganic and organic compounds, and amalgams, used primarily in electronics and chemical catalysis.

Radioactive Elements and Isotopes

HS code 2844 covers radioactive chemical elements, isotopes, and their compounds, including fissile fuels for nuclear reactors and medical isotopes.

Non-Radioactive Stable Isotopes

HS code 2845 covers isotopes other than those of 2844, including heavy water and other stable isotopes used in research and nuclear moderation.

Rare-Earth Metal Compounds

HS code 2846 is for compounds of rare-earth metals, yttrium, and scandium, essential for manufacturing high-strength magnets and modern electronic components.

Hydrogen Peroxide

HS code 2847 covers hydrogen peroxide in liquid or urea-solidified form, serving as a critical agent for bleaching, water treatment, and disinfection.

Carbides for Industrial Applications

HS code 2849 covers inorganic carbides used in industrial manufacturing, metallurgy, and abrasive production, excluding organic compounds and some precious meta

Hydrides, Nitrides and Borides

HS code 2850 covers inorganic hydrides, nitrides, azides, silicides, and borides used in high-tech manufacturing, ceramics, and electronics sectors worldwide.

Mercury Compounds

HS code 2852 is for all mercury compounds, both organic and inorganic, excluding amalgams, subject to strict environmental and safety regulations globally.

Phosphides and Distilled Water

HS code 2853 includes phosphides, distilled water, liquid or compressed air, and non-precious metal amalgams for industrial and laboratory use cases.