New

Ask Wove anything about tariffs.

Try Tariff Assistant

Unsymmetrical Dimethylhydrazine

UDMH (1,1-dimethylhydrazine) used in hypergolic rocket fuels. Classified under HTS 2825.10.00.00 if meeting inorganic chemical definition, though typically organic.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+37.5%41.2%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2928.00.25.00Higher: 137.5% vs 41.2%

If standard organic hydrazine

Most common classification for dialkylhydrazines in Chapter 29.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Strict ITAR licensing for defense applications

• UN 1167 toxic flammable liquid requirements

• Purity >99.5% required for fuel grade classification