Section 06 Products of the chemical or allied 29 Organic chemicals 29 04 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated 29 04 10 - - - Sulphonic acid (Dodecylbenzene [DDBSA]) 29 04 10 20 - - - Sulphonic acid (Dodecylbenzene [DDBSA]) Commodity Code Description 29 04 10 20 000 - - - Sulphonic acid (Dodecylbenzene [DDBSA])