HS 3105-40-00-00 – Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate)

Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026

Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this Chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg. › Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate) › Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate)

MFN duty rate

Free

GST

5%

Unit of measure

KGM

Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate)

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Preferential tariff rates

• Korea: Free
• Costa Rica (CRT): Free
• UST/CUSMA (US): Free
• MXT/CUSMA (Mexico): Free
• Jordan (JT): Free
• Iceland: Free
• Honduras (HNT): Free
• Panama (PAT): Free
• Peru: Free
• Commonwealth Caribbean Countries Tariff (CCCT): Free
• CPTPP – United Kingdom (CPUKT): Free
• LDCT: Free
• CPTPP: Free
• Colombia: Free
• Ukraine: Free
• Switzerland–Liechtenstein (SLT): Free
• GPT: Free
• Norway (NT): Free
• CETA: Free
• Chile: Free
• Israel (CIAT): Free
• UK: Free

Preference requires qualifying origin and origin proof or certification.

Frequently asked questions

What is the MFN duty on Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate) (HS 3105-40-00-00)?

The T2026-2 MFN rate for tariff item 3105.40.00 is Free. Specific or compound rates require manual calculation. Classification and origin must be verified with CBSA.

What is the duty on HS 3105-40-00-00 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 3105-40-00-00?

Korea: Free; Costa Rica (CRT): Free; UST/CUSMA (US): Free; MXT/CUSMA (Mexico): Free; Jordan (JT): Free; Iceland: Free; Honduras (HNT): Free; Panama (PAT): Free; Peru: Free; Commonwealth Caribbean Countries Tariff (CCCT): Free; CPTPP – United Kingdom (CPUKT): Free; LDCT: Free; CPTPP: Free; Colombia: Free; Ukraine: Free; Switzerland–Liechtenstein (SLT): Free; GPT: Free; Norway (NT): Free; CETA: Free; Chile: Free; Israel (CIAT): Free; UK: Free. Preferential treatment requires qualifying origin and certification. Rates are informational; CBSA is authoritative.