… Colouring matter of vegetable or animal origin (including dyeing extracts but excluding animal black), whether or not chemically defined; preparations as … in Note 3 to this Chapter based on colouring matter of vegetable or animal origin. …
Explanatory notes
… 32.03 - Colouring matter of vegetable or animal origin (including dyeing extracts but excluding animal black), whether or not chemically defined; preparations as … Indigofera tinctoria ). It is generally in the form of dark blue powder, paste, cakes, lumps, etc. (2) Colouring …