Harmonized System
Section VI > Chapter 28 > Heading 2812 > 2812.1 > 2812.17
Thionyl chloride
Section VI > Chapter 28 > Heading 2813
Sulphides of non-metals; commercial phosphorus trisulphide.
Section VI > Chapter 28 > Heading 2813 > 2813.10
Carbon disulphide
Section VI > Chapter 28 > Heading 2814
Ammonia, anhydrous or in aqueous solution.
Section VI > Chapter 28 > Heading 2814 > 2814.10
Anhydrous ammonia
Section VI > Chapter 28 > Heading 2814 > 2814.20
Ammonia in aqueous solution
Section VI > Chapter 28 > Heading 2815
Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium.