Harmonized System
Section VI > Chapter 29 > Heading 2923
… Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether …
Explanatory notes
… 29.23 - Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether … to its inorganic parent ammonium hydroxide NH 4 OH. The residuary valence may , however, be filled by other anions (chloride, bromide, iodide, etc.) to give quaternary ammonium …Section VI > Chapter 29 > Heading 2920
… Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, …
Explanatory notes
… 29.20 - Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, …Section VI > Chapter 29 > Heading 2916
… Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, …
Explanatory notes
… 29.16 - Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, …Section VI > Chapter 29 > Heading 2904
… Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated. …
Explanatory notes
… 29.04 - Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated. 2904.10 - … nitroso groups - Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride : 2904.31 ‑ - Perfluorooctane sulphonic acid …Section VI > Chapter 28 > Heading 2837
… Cyanides, cyanide oxides and complex cyanides. …
Explanatory notes
… 28.37 ‑ Cyanides, cyanide oxides and complex cyanides. ‑ … sub‑Chapter, this heading covers cyanides, cyanide oxides (oxycyanides) and complex cyanides. (A) CYANIDES Cyanides are …Section VI > Chapter 28 > Heading 2832
Explanatory notes
… heading covers : (A) Metal sulphites ‑ salts of sulphurous acid (H 2 SO 3 ) (which exists only in aqueous solution and … ( heading 38.04 ), and the industrial products known as “hydrosulphites” stabilised by organic substances ( heading … sulphites. (1) Sodium sulphites . These include sodium hydrogen sulphite (NaHSO 3 ), disodium disulphite (Na 2 SO 3 …Section IV > Chapter 21 > Heading 2102
Explanatory notes
… The heading also covers other types of dried yeasts (e.g., Candida lipolytica or tropicalis , Candida maltosa ) developed from the yeasts not belonging to … yeasts which have been cultivated on substrates containing hydrocarbons (such as gas‑oils or n‑paraffins) or …Section VI > Chapter 38 > Heading 3823
… Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols. …