TariffPlus – Canada & US Tariff Lookup

HS 2920-21-00-00 – Dimethyl phosphite

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

Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives. › Dimethyl phosphite › Dimethyl phosphite

MFN duty rate
Free
GST
5%
Unit of measure
KGM

Dimethyl phosphite

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Preferential tariff rates

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

Preference requires qualifying origin and origin proof or certification.

Frequently asked questions

What is the MFN duty on Dimethyl phosphite (HS 2920-21-00-00)?

The T2026-2 MFN rate for tariff item 2920.21.00 is Free. Specific or compound rates require manual calculation. Classification and origin must be verified with CBSA.

What is the duty on HS 2920-21-00-00 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 2920-21-00-00?

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