Harmonized System

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Section VI > Chapter 28 > Heading 2836

Section XVIII > Chapter 90 > Heading 9006

Section VI > Chapter 29 > Heading 2923

Explanatory notes

… ((CH 3 ) 4 NOH). (6)   Tetramethylammonium formate (HCOON(CH 3 ) 4 ), used in medicine . (7)   Betaine , a …

Section VI > Chapter 28 > Heading 2844

Section VI > Chapter 28 > Heading 2828

Explanatory notes

… (C) CHLORITES This group covers the salts of chlorous acid (HClO 2 ) : (1)   Sodium chlorite (NaClO 2 ). Anhydrous or …

Section VI > Chapter 28 > Heading 2806

Explanatory notes

… HYDROGEN CHLORIDE (HYDROCHLORIC ACID) Hydrogen chloride (HCl) is a colourless fuming gas with a suffocating odour, …

Section VI > Chapter 29 > Heading 2917

Section VI > Chapter 28 > Heading 2837

Explanatory notes

… are the metal salts of hydrogen cyanide (hydrocyanic acid) (HCN) (heading 28.11). These salts are very poisonous. (1)   …

Section VI > Chapter 29 > Heading 2931

Section VI > Chapter 29 > Heading 2922