343Level 3

Tanning or dyeing extracts; tannins and their derivatives; colouring matter n.e.c.

CPC v2.1 group (Tanning or dyeing extracts; tannins and their derivatives; colouring matter n.e.c.) within 'Basic chemicals'. UN Central Product Classification grouping of related products at this level.

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3431Synthetic organic colouring matter and preparations based thereon; synthetic organic products of a kind used as fluorescent brightening agents or as luminophores; colour lakes and preparations based thereon

3432Tanning extracts of vegetable origin; tannins and their salts, ethers, esters and other derivatives; colouring matter of vegetable or animal origin, except animal black; preparations based on colouring matter of vegetable or animal origin

3433Synthetic organic tanning substances; inorganic tanning substances; tanning preparations; enzymatic preparations for pre-tanning

3434Colouring matter n.e.c.; inorganic products of a kind used as luminophores

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