| 2911.00 | 000 | Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives. | 
| 2911.00 |  | V.- ALDEHYDE-FUNCTION COMPOUNDS | 
| 29.12 |  | Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde. | 
| 29.12 |  | Acyclic aldehydes without other oxygen function : | 
| 2912.11 | 000 | Methanal (formaldehyde) | 
| 2912.12 | 000 | Ethanal (acetaldehyde) | 
| 2912.19 |  | Cyclic aldehydes without other oxygen function : | 
| 2912.21 | 000 | Benzaldehyde | 
| 2912.29 |  | Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function : | 
| 2912.41 | 000 | Vanillin (4-hydroxy-3-methoxybenzaldehyde) | 
| 2912.42 | 000 | Ethylvanillin (3-ethoxy-4-hydroxybenzaldehyde) | 
| 2912.49 | 100 | 1 Aldehyde-alcohols | 
| 2912.50 | 000 | Cyclic polymers of aldehydes | 
| 2912.60 | 000 | Paraformaldehyde | 
| 2913.00 | 000 | Halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 29.12. | 
| 29.14 |  | Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives. | 
| 29.14 |  | Acyclic ketones without other oxygen function : | 
| 2914.12 | 000 | Butanone (methyl ethyl ketone) | 
| 2914.13 | 000 | 4-Methylpentan-2-one (methyl isobutyl ketone) | 
| 2914.19 |  | Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function : | 
| 2914.22 | 000 | Cyclohexanone and methylcyclohexanones | 
| 2914.23 | 000 | Ionones and methylionones | 
| 2914.29 | 011 | (1) Of a melting point less than 175 ? |