HS 29181 – Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives:
Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026
Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives:
- 2918-11-00-10 – Lactic acid
- 2918-11-00-30 – Esters
- 2918-17-00-00 – 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)
- 2918-14-00-00 – Citric acid
- 2918-16-00-90 – Other
- 2918-18-00-00 – Chlorobenzilate (ISO)
- 2918-16-00-30 – Esters of gluconic acid
- 2918-12-00-00 – Tartaric acid
- 2918-19-00-00 – Other
- 2918-15-00-40 – Esters of citric acid
- 2918-13-00-00 – Salts and esters of tartaric acid
- 2918-15-00-90 – Other
- 2918-11-00-20 – Salts
Frequently asked questions
Does HS 29181 have one duty rate?
Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: is an intermediate classification, not a complete eight-digit tariff item. 13 child tariff lines are available. Select the specific child item before determining the duty rate; CBSA classification is authoritative.
Can CUSMA or other preferences apply under HS 29181?
Preference depends on the exact eight-digit tariff item, qualifying country of origin and origin proof or certification. Consult the linked child tariff lines for T2026-2 MFN and preferential rates. Surtaxes and GST/HST/PST must also be checked for the specific item and origin.