HS 2933-53-00-00 – Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof
Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026
Heterocyclic compounds with nitrogen hetero-atom(s) only. › Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof › Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof
- MFN duty rate
- Free
- GST
- 5%
- Unit of measure
- KGM
Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof
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Preferential tariff rates
- UST/CUSMA (US): Free
- Costa Rica (CRT): Free
- CPTPP – United Kingdom (CPUKT): Free
- Korea: Free
- UK: Free
- LDCT: Free
- Iceland: Free
- GPT: Free
- Norway (NT): Free
- CETA: Free
- Commonwealth Caribbean Countries Tariff (CCCT): Free
- Panama (PAT): Free
- MXT/CUSMA (Mexico): Free
- Ukraine: Free
- Honduras (HNT): Free
- Colombia: Free
- Jordan (JT): Free
- Switzerland–Liechtenstein (SLT): Free
- Peru: Free
- Chile: Free
- Israel (CIAT): Free
- CPTPP: Free
Preference requires qualifying origin and origin proof or certification.
Frequently asked questions
What is the MFN duty on Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof (HS 2933-53-00-00)?
The T2026-2 MFN rate for tariff item 2933.53.00 is Free. Specific or compound rates require manual calculation. Classification and origin must be verified with CBSA.
What is the duty on HS 2933-53-00-00 from the US?
Qualifying US-origin goods with origin proof use UST/CUSMA at Free. This item is not on any US surtax schedule in force in TariffPlus surtax data (checked against CBSA). GST/HST and any applicable personal-import provincial tax are additional.
Which trade agreement rates apply to HS 2933-53-00-00?
UST/CUSMA (US): Free; Costa Rica (CRT): Free; CPTPP – United Kingdom (CPUKT): Free; Korea: Free; UK: Free; LDCT: Free; Iceland: Free; GPT: Free; Norway (NT): Free; CETA: Free; Commonwealth Caribbean Countries Tariff (CCCT): Free; Panama (PAT): Free; MXT/CUSMA (Mexico): Free; Ukraine: Free; Honduras (HNT): Free; Colombia: Free; Jordan (JT): Free; Switzerland–Liechtenstein (SLT): Free; Peru: Free; Chile: Free; Israel (CIAT): Free; CPTPP: Free. Preferential treatment requires qualifying origin and certification. Rates are informational; CBSA is authoritative.