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Magnesium Sulfate for Fireworks

High-purity magnesium sulfate for fireworks is used as an oxidizer component in pyrotechnic formulations. It is a chemically defined sulfate of magnesium, supplied in granular form for safe industrial handling. Under tariff item 2833.21.00, it is classified as a sulfate of magnesium, provided it is not mixed with other pyrotechnic ingredients.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

2833.29.00Same rate: Free

If the product is a sulfate of another metal

Other sulphates not specifically named are covered under this sibling item.

Not sure which classification is right?

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

Import Tips & Compliance

• Verify the product is pure magnesium sulfate without added fuels or binders; mixed pyrotechnic compositions fall under Chapter 36

• Obtain any necessary import permits from Natural Resources Canada for pyrotechnic-related materials

• Declare the end-use as industrial to ensure correct classification under this tariff item

Related Products under Tariff item 2833.21.00

Anhydrous Magnesium Sulfate

Anhydrous magnesium sulfate (MgSO4) is a dry, white powder used as a desiccant in laboratories and pharmaceutical manufacturing. It is a separate chemically defined compound of magnesium, meeting the criteria of Chapter 28 Note 1(a). It falls under tariff item 2833.21.00 as a sulfate of magnesium.

Epsom Salt Flakes for Spa Use

Epsom salt flakes for spa use are magnesium sulfate heptahydrate (MgSO4·7H2O) in flake form, designed to dissolve quickly in bath water. As a chemically defined inorganic salt of magnesium, it is classified under tariff item 2833.21.00. The absence of added perfumes or organic additives keeps it within Chapter 28.

Food Grade Magnesium Sulfate

Food grade magnesium sulfate is FCC-grade material used as a firming agent in canned vegetables and as a nutrient supplement. It is a chemically defined magnesium sulfate meeting food chemical codex standards, with no organic or organo-inorganic components. This places it under tariff item 2833.21.00 as a sulfate of magnesium.

Lab Grade Magnesium Sulfate Desiccant

Lab grade anhydrous magnesium sulfate desiccant is granular MgSO4 prepared by firing to remove water, used for drying organic solvents. As a chemically defined compound without organic stabilizers, it is classifiable under tariff item 2833.21.00. The granular form indicates the anhydrous state, which is still a sulfate of magnesium.

Magnesium Sulfate Heptahydrate (Epsom Salt)

Magnesium sulfate heptahydrate, commonly known as Epsom salt, is a chemically defined inorganic salt with the formula MgSO4·7H2O. It is used in bath salts, agriculture, and industrial applications. As a sulfate of magnesium, it falls under tariff item 2833.21.00, provided it is not mixed with organic additives.

Magnesium Sulfate in Bulk for Agriculture

Bulk kieserite (MgSO4·H2O) for agricultural soil correction is a naturally occurring or synthetic magnesium sulfate monohydrate. It is a chemically defined sulfate of magnesium, supplied in 50 kg bags for farm application. Under tariff item 2833.21.00, it is classified as a sulfate of magnesium before any fertilizer blending.