2811 11

hydrogen fluoride (hydrofluoric acid)

2811 12

hydrogen cyanide (hydrocyanic acid)

2811 19

Other inorganic acids (excluding, hydrogen fluoride "hydrofluoric acid" and hydrogen cyanide "hydrocyanic acid")

2811 21

carbon dioxide

2811 22

silicon dioxide

2813 90

sulphides of non-metals (excluding carbon disulphide); commercial phosphorus trisulphide

2815 11

sodium hydroxide (caustic soda) solid

2815 20

potassium hydroxide (caustic potash)

2815 30

peroxides of sodium or potassium

2827 10

ammonium chloride

2827 20

calcium chloride

2827 32

aluminium chloride

2827 39

Other chlorides (excluding ammonium, calcium, magnesium, aluminium, and nickel chloride)

2827 41

chloride oxides and chloride hydroxides of copper

2827 49