Sodium Nitrate Flux for Glass Production

Coarse sodium nitrate used as a fluxing agent in glass melting furnaces to lower melting points. HTS 3102.50.00.00 per chapter note allowing 'whether or not pure' sodium nitrate for non-retail fertilizer or chemical uses.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+25.0%25%
🇲🇽MexicoFreeFree
🇨🇦CanadaFreeFree
🇩🇪GermanyFreeFree
🇯🇵JapanFreeFree

Alternative Classifications

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

3824.99Lower: 15% vs 25%

If prepared with chemical admixtures for specific industrial use

Prepared chemical binders or fluxes may classify under 3824 if not pure fertilizer compounds.

3102.90.01.00Same rate: 25%

If mixed with other nitrogenous substances like ammonium salts

Mixtures of 3102 goods fall under 3102.90 per note (b), distinct from pure sodium nitrate.

2834.10Lower: 13.1% vs 25%

If pure chemical import without fertilizer intent

Nitrites/nitrates as reagents go to Chapter 28 if not meeting strict 3102 fertilizer descriptions.

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Import Tips & Compliance

Specify end-use in commercial invoice as industrial flux to support classification; ensure DOT compliance for oxidizer shipping; bulk only to avoid retail repackaging issues

Related Products under HTS 3102.50.00.00

Industrial Grade Sodium Nitrate

Pure sodium nitrate (NaNO3) crystals used primarily as an oxidizing agent in industrial applications such as glass manufacturing and pyrotechnics. Classified under HTS 3102.50.00.00 as it matches the chapter note description of sodium nitrate, whether or not pure, and is not packaged for retail sale under heading 3105.

Agricultural Sodium Nitrate Fertilizer

Granular sodium nitrate formulated for direct soil application to provide nitrogen and sodium nutrients to crops like beets and leafy greens. Falls under HTS 3102.50.00.00 per heading 3102 note (a)(i) for sodium nitrate used in fertilizers, not in retail packages of 3105.

Technical Grade Sodium Nitrate 99% Pure

High-purity (99%) sodium nitrate powder for use in explosives manufacturing and metal processing. HTS 3102.50.00.00 applies as 'sodium nitrate, whether or not pure' under chapter note 3102(a)(i), excluding only retail-packaged forms.

Chile Saltpeter Sodium Nitrate

Natural sodium nitrate extracted from caliche deposits, historically known as Chile saltpeter, used in fertilizers and food preservation. Classified in HTS 3102.50.00.00 as sodium nitrate per note (a)(i), provided not in 3105 retail forms.

Food Grade Sodium Nitrate E251

Pharmaceutical-grade sodium nitrate (E251) used as a curing agent in meat products to prevent botulism. Still under HTS 3102.50.00.00 as 'sodium nitrate, whether or not pure,' not excluded by chapter notes unless retail-packaged.

Bulk Sodium Nitrate for Pyrotechnics

Prilled sodium nitrate serving as primary oxidizer in fireworks and signal flare production. HTS 3102.50.00.00 classification holds for pure sodium nitrate in bulk industrial form, per chapter note (a)(i).