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Hydroxylamine Sulfate

Hydroxylamine sulfate ((NH2OH)2·H2SO4) is a stable salt employed in organic synthesis and as an antioxidant. Falls under HTS 2825.10.00.00 as an inorganic salt of hydroxylamine per Chapter 28 definitions.

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.

2842.90Lower: 15.8% vs 41.2%

If complex salt with fulminates

Complex salts including certain hydroxylamine derivatives classify in 2842.

3824Lower: 17.5% vs 41.2%

If bulk industrial mixture

Technical grade with additives may be mixtures of Chapter 38.

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

• Require stability data; decomposes above 120°C, affecting transport conditions

• Document inorganic base salt status to distinguish from organic variants

• Check for REACH compliance if destined for EU transshipment