201325 Oxides, hydroxides and peroxides/ hydrazine and hydroxylamine and their inorganic salts

20132525 Sodium hydroxide (caustic soda), solid 20132527 Sodium hydroxide in aqueous solution (soda lye or liquid soda) 20132530 Potassium hydroxide (caustic potash) 20132550 Peroxides of sodium or potassium 20132560 Hydroxide and peroxide of magnesium oxides/ hydroxides and peroxides of strontium or barium 20132570 Aluminium hydroxide 20132580 Hydrazine and hydroxylamine and their inorganic salts