Chapter 32 — Tanning or dyeing extracts; tannins and their derivatives; dyes, pigments and other colouring matter; paints and varnishes; putty and other mastics; inks

Heading 3204 — Synthetic organic colouring matter, whether or not chemically defined; preparations as specified in Note 3 to this Chapter based on synthetic organic colouring matter; synthetic organic products of a kind used as fluorescent brightening agents or as luminophores, whether or not chemically defined.

National subdivision 3204.1 — Synthetic organic colouring matter and preparations based thereon as specified in Note 3 to this Chapter:

Subheading 3204.12 — Acid dyes, whether or not premetallised, and preparations based thereon; mordant dyes and preparations based thereon