Harmonized System

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Section XVI > Chapter 84 > Heading 8415 > 8415.90

Classification opinions

… comprised of an independent closed circuit in which a propylene glycol water solution circulates as a working …

Section XVI > Chapter 85 > Heading 8543 > 8543.70

Classification opinions

… 6. See also Opinion 8543.70/6. Adoption : 2024 … 8. Light therapy device designed for use at home and in beauty or …

Section VI > Chapter 29 > Heading 2933

Explanatory notes

… only  (+).               - Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the … - - Other               - Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the …

Section VI > Chapter 29 > Heading 2936

Explanatory notes

… It is soluble in water and fairly sensitive to light. (1)   Pyridoxine (INN) or adermin (pyridoxol) (3-hydroxy-4,5-bis(hydroxymethyl)-2-methyl- pyridine).        Pyridoxal …

Section VI > Chapter 29 > Heading 2931

Explanatory notes

… 2931.41 ‑ ‑ Dimethyl methylphosphonate 2931.42 ‑ ‑ Dimethyl propylphosphonate 2931.43 ‑ ‑ Diethyl ethylphosphonate … acid and (aminoiminomethyl)urea (1 : 1) 2931.46 ‑ ‑ 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide … 2931.51 ‑ ‑ Methylphosphonic dichloride 2931.52 ‑ ‑ Propylphosphonic dichloride 2931.53 ‑ ‑ O-(3-chloropropyl) …

Section VI > Chapter 29 > Heading 2905

Explanatory notes

… - - Methanol (methyl alcohol) 2905.12 - - Propan-1-ol (propyl alcohol) and propan-2-ol (isopropyl alcohol) 2905.13 - - Butan-1-ol ( n -butyl … 2 905.31 - - Ethylene glycol (ethanediol) 2905.32 - - Propylene glycol (propane-1,2-diol) 2905.39 - - Other …

Section VII > Chapter 39

Section VI > Chapter 29 > Heading 2930

Explanatory notes

… : Thiophen group (heading 29.34)* . (c) Of nitrogen : Pyrrole group (heading 29.33)* . (2) Containing two … group (heading 29.34)* . (c) Two nitrogen : Imidazole and pyrazole groups (heading 29.33)* . (3) Containing three or … RINGS (1)   Containing one hetero-atom : (a)  Of oxygen : Pyran group (heading 29.32)* . (b) Of sulphur : Thiin …

Section VI > Chapter 28 > Heading 2834

Explanatory notes

… (3)   Barium nitrite (Ba(NO 2 ) 2 ). Crystals used in pyrotechnics. (4)   Other nitrites . These include ammonium … 2 .6H 2 O). Colourless crystals, soluble in water. Used in pyrotechnics, in the preparation of refractory products … mass, soluble in water, alcohol and acetone : used in pyrotechnics, in the manufacture of explosives, matches, …

Section VI > Chapter 29 > Heading 2907

Explanatory notes

… (bisphenol A, diphenylolpropane)*. White flakes. (4)   Pyrocatechol ( o -dihydroxybenzene). Colourless, shining … (7)   2,5-Dimethylhydroquinone (2,5-dimethylquinol). (8)   Pyrogallol . Small scales or in a shining white crystalline …