List of Manufacturers & Suppliers Based on HS Codes in Singapore - Chapter 28

280429 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Hydrogen, rare gases and other non-metals. -- Other

280430 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Hydrogen, rare gases and other non-metals. - Nitrogen

280440 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Hydrogen, rare gases and other non-metals. - Oxygen

280700 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Sulphuric acid; oleum. Sulphuric acid; oleum.

280920 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined. - Phosphoric acid and polyphosphoric acids

281122 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Other inorganic acids and other inorganic oxygen compounds of non-metals. -- Silicon dioxide

281129 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Other inorganic acids and other inorganic oxygen compounds of non-metals. -- Other

281511 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium. -- Solid

281512 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium. -- In aqueous solution (soda lye or liquid soda)

281700 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Zinc oxide; zinc peroxide. Zinc oxide; zinc peroxide.

281820 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide. - Aluminium oxide, other than artificial corundum

282710 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides. - Ammonium chloride

282739 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides. -- Other

283210 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Sulphites; thiosulphates. - Sodium sulphites

283311 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Sulphates; alums; peroxosulphates (persulphates). -- Disodium sulphate

283321 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Sulphates; alums; peroxosulphates (persulphates). -- Of magnesium

283329 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Sulphates; alums; peroxosulphates (persulphates). -- Other

283340 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Sulphates; alums; peroxosulphates (persulphates). - Peroxosulphates (persulphates)

283524 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined. -- Of potassium

283531 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined. -- Sodium triphosphate (sodium tripolyphosphate)

283539 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined. -- Other

283620 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate. - Disodium carbonate

283630 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate. - Sodium hydrogencarbonate (sodium bicarbonate)

283650 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate. - Calcium carbonate

283699 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate. -- Other

284290 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides. - Other

285390 : Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Phosphides, whether or not chemically defined, excluding ferrophosphorus; other inorganic compounds (including distilled or conductivity water and water of similar purity); liquid air (whether or not rare gases have been removed); compressed air; amalgams, other than amalgams of precious metals. - Other