Section 06 Products of the chemical or allied 32 Tanning or dyeing extracts; tannin and their derivatives; dyes pigments and other colouring matter; paints and varnishes; putty and other mastic; inks 32 04 Synthetic organic colouring matter and preparations and products 32 04 31 Linear alkylbenzene sulphonic acids and their salts : Commodity Code Description 32 04 31 00 Linear alkylbenzene sulphonic acids and their salts :