Industrial Potassium Cyanide Briquettes

Compressed potassium cyanide briquettes for safe handling in mining operations, a chemically defined inorganic cyanide salt. Directly specified in HTS 2837.19.0110 as potassium cyanide regardless of form. Facilitates controlled dosing in hydrometallurgy.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+17.5%17.5%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

2836.99Lower: 13.7% vs 17.5%

If misidentified as carbonate complex

Carbonates in 2836; Chapter notes distinguish cyanide structures.

3811.90.00.00Higher: 41.5% vs 17.5%

If anti-knock prep with cyanide additives

Fuel additives in Chapter 38.

3105.30.00.00Higher: 25% vs 17.5%

If fertilizer grade diammonium phosphate-cyanide mixes

Chapter 31 note exclusions for fertilizer compounds.

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Import Tips & Compliance

• File EPA Form R for TRI reporting if threshold exceeded; common issue is missing facility contingency plans

• IMDG Code requires 'CYANIDE' emergency label; verify vessel compatibility

• Customs may require cyanide-specific bond; audit supplier purity certificates