Harmonized System
Section VI > Chapter 28 > Heading 2810
… Oxides of boron; boric acids. …
Explanatory notes
… 28.10 ‑ Oxides of boron; boric acids. (A) OXIDES OF BORON Diboron …Section VI > Chapter 28 > Heading 2812
… Halides and halide oxides of non-metals. …
Explanatory notes
… such as : (1) A halogen with a non‑metal other than oxygen or hydrogen (halogen compounds ). (2) The same … compounds as under (1) above, combined with oxygen ( halide oxides ). or (3) Sulphur with a non‑metal other than oxygen … ‑ ‑ Carbonyl dichloride (phosgene) 2812.12 ‑ ‑ Phosphorus oxychloride 2812.13 ‑ ‑ Phosphorus trichloride 2812.14 ‑ ‑ …Section VI > Chapter 29 > Heading 2932
… Heterocyclic compounds with oxygen hetero-atom(s) only. …
Explanatory notes
… 29.32 - Heterocyclic compounds with oxygen hetero-atom(s) only (+). - Compounds … - Other : 2932.91 - - Isosafrole 2932.92 - - 1-(1,3-Benzodioxol-5-yl)propan-2-one 2932.93 - - Piperonal 2932.94 …Section VI > Chapter 28 > Heading 2837
… Cyanides, cyanide oxides and complex cyanides. …
Explanatory notes
… 28.37 ‑ Cyanides, cyanide oxides and complex cyanides. ‑ Cyanides and … sub‑Chapter, this heading covers cyanides, cyanide oxides (oxycyanides) and complex cyanides. (A) CYANIDES Cyanides are … almonds. When brought to the melting‑point it absorbs oxygen; may also give hydrates. Is presented in sealed …Section VI > Chapter 28 > Heading 2824
… Lead oxides; red lead and orange lead. …
Explanatory notes
… 28.24 ‑ Lead oxides; red lead and orange lead. 2824.10 ‑ Lead monoxide … massicot) (PbO). Lead or cerussite (lead hydrocarbonate) oxidised by heating in air produces first unmelted lead … capable of igniting organic matter on contact. It is an oxidising agent used in pyrotechnics; also for manufacturing …Section VI > Chapter 29 > Heading 2928
… Organic derivatives of hydrazine or of hydroxylamine. …
Explanatory notes
… 29.28 - Organic derivatives of hydrazine or of hydroxylamine. This heading does not cover hydrazine or … Nitrosophenols, which are tautomeric forms of quinone oximes, and nitrosoamines, which are tautomeric forms of …Section VI > Chapter 28 > Heading 2836
… Carbonates; peroxocarbonates (percarbonates); commercial ammonium …
Explanatory notes
… (percarbonates), i.e., carbonates containing an excess of oxygen, such as (Na 2 CO 4 ) (peroxomonocarbonates) or (Na 2 … these result from the action of carbon dioxide on metal peroxides. (A) CARBONATES (1) Ammonium … carbonate. Greyish crystals, insoluble in water, readily oxidised by air, especially when damp. Used in the …Section VI > Chapter 28 > Heading 2847
… Hydrogen peroxide, whether or not solidified with urea. …
Explanatory notes
… 28.47 ‑ Hydrogen peroxide, whether or not solidified with urea. Hydrogen peroxide (H 2 O 2 ) is obtained by electrolytic oxidation of sulphuric acid followed by distillation, or by …Section VI > Chapter 28 > Heading 2811
… Other inorganic acids and other inorganic oxygen compounds of non-metals. …
Explanatory notes
… 28.11 ‑ Other inorganic acids and other inorganic oxygen compounds of non-metals. ‑ Other … This heading covers mineral acids and anhydrides and other oxides of non‑metals. The most important are listed below … CHLORINE The most important of these compounds are powerful oxidising and chlorinating agents, used in bleaching and in …Section VI > Chapter 29 > Heading 2924
… Carboxyamide-function compounds; amide-function compounds of …