Harmonized System
Section XVI > Chapter 85 > Heading 8542
… Electronic integrated circuits. …
Explanatory notes
… 85.42 - Electronic integrated circuits. - Electronic … or “active”). However, electronic circuits containing only passive elements are excluded from this heading. Unlike … to all intents and purposes indivisibly, whether or not on one or more insulating substrates, with or without …Section VI > Chapter 29 > Heading 2921
… Amine-function compounds. …
Explanatory notes
… cover compounds containing nitro or nitroso groups as the only nitrogen function. 29.21 - Amine-function compounds … (i.e., a function derived from ammonia by replacing one, two or three hydrogen atoms by one, two or three alkyl … radicals R (methyl, ethyl, phenyl, etc.), respectively). If only one hydrogen atom in the ammonia has been replaced, the …Section VI > Chapter 29 > Heading 2926
… Nitrile-function compounds. …
Explanatory notes
… 29.26 - Nitrile-function compounds. 2926.10 - Acrylonitrile 2926.20 - … (dicyandiamide) 2926.30 - Fenproporex (INN) and its salts; methadone (INN) intermediate …Section VI > Chapter 28 > Heading 2831
… Dithionites and sulphoxylates. …
Explanatory notes
… 28.31 ‑ Dithionites and sulphoxylates. 2831.10 ‑ Of sodium 2831.90 ‑ Other Dithionites (hydrosulphites) are the salts of dithionous (“hydrosulphurous”) acid (H 2 S 2 O 4 ) which has … state. They are obtained by reducing (with zinc powder) solutions of hydrogen sulphites saturated with sulphur …Section V > Chapter 25 > Heading 2502
… Unroasted iron pyrites. …
Explanatory notes
… 25.02 ‑ Unroasted iron pyrites. This heading relates to all unroasted iron … usually greyish. Unroasted pyrites are mainly used for the extraction of sulphur, although certain cupreous pyrites may … ( heading 26.03 ). (b) Marcasite (semi‑precious stone) ( heading 71.03 ). …Section V > Chapter 27
… Mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes …
Explanatory notes
… Mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes Notes. 1.‑ This … and oils obtained from bituminous minerals” include not only petroleum oils and oils obtained from bituminous minerals but also similar oils, as well as those consisting mainly of mixed unsaturated hydrocarbons, …Legal note
… or 30.04; or (c) Mixed unsaturated hydrocarbons of heading 33.01, 33.02 or 38.05. 2.‑ References in … and oils obtained from bituminous minerals” include not only petroleum oils and oils obtained from bituminous minerals but also similar oils, as well as those consisting mainly of mixed unsaturated hydrocarbons, …Classification opinions
… and mixtures of isomers of saturated acyclic hydrocarbons : (i) Separate isomers less than 95 % pure (*). (ii) Mixtures of isomers containing less than 95 % (*) of a single isomer. See also … reference to volume for gaseous products and to weight for non-gaseous products … 2. Separate isomers and mixtures of …Section XVIII > Chapter 90 > Heading 9027
… apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring …
Explanatory notes
… for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus … for determining the refractive index of liquids or solids (one of the most important constants in determining the …Section VI > Chapter 29 > Heading 2922
… Oxygen-function amino-compounds. …
Explanatory notes
… 29.22 - Oxygen-function amino-compounds (+). - Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts … of carbon. These compounds contain as oxygen functions only alcohols, their ethers or esters, or a combination of …Section VI > Chapter 29 > Heading 2903
… Halogenated derivatives of hydrocarbons. …
Explanatory notes
… 29.03 - Halogenated derivatives of hydrocarbons. - Saturated chlorinated derivatives of … (Halon-2402) 2903.77 - - Other, perhalogenated only with fluorine and chlorine 2903.78 - - Other … substitution in the structural formula of a hydrocarbon of one or more halogen atoms (fluorine, chlorine, bromine, …Section VII > Chapter 39 > Heading 3910
… Silicones in primary forms. …