High-Purity Magnesium Hydroxide
99.9% pure magnesium hydroxide crystals for laboratory and electronic applications. Chemically defined compound under HTS 2816.10.00.00, meeting Chapter 28 note requirements for inorganic hydroxides. Supplied in small quantities for research.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 3.1% | +25.0% | 28.1% |
| 🇲🇽Mexico | 3.1% | — | 3.1% |
| 🇨🇦Canada | 3.1% | — | 3.1% |
| 🇩🇪Germany | 3.1% | — | 3.1% |
| 🇯🇵Japan | 3.1% | — | 3.1% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If put up in laboratory reagent packaging
Lab reagents of Chapter 28 chemicals specifically go to 3822.
If peroxygen compound with >10% available oxygen
Higher-activity peroxides may align with 2847 definitions.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Certificate of analysis essential; trace metal specs prevent reagent misclassification
• Small packages may trigger 3822 if lab-dispensed
• Declare exact CAS number 1309-42-8 for verification
Related Products under HTS 2816.10.00.00
Magnesium Hydroxide Powder
Pharmaceutical-grade magnesium hydroxide powder used as an antacid to neutralize stomach acid. It falls under HTS 2816.10.00.00 as a chemically defined hydroxide of magnesium, distinct from mixed compounds or formulations in other chapters. Typically supplied in bulk for compounding into tablets or suspensions.
Magnesium Peroxide Granules
Granular magnesium peroxide for controlled oxygen release in bioremediation projects. HTS 2816.10.00.00 applies to this pure peroxide form, unworked beyond granulation. Used in environmental cleanup applications.
Food-Grade Magnesium Hydroxide
FCC-grade magnesium hydroxide approved as food additive for acidity regulation. Remains under HTS 2816.10.00.00 as pure inorganic hydroxide, not a processed food ingredient. Used in supplements and fortification.
Magnesium Hydroxide Suspension
Aqueous suspension of magnesium hydroxide for use in water treatment to remove heavy metals and adjust pH. Classified under HTS 2816.10.00.00 as it is a chemically defined hydroxide of magnesium, not a formulated preparation. Ships in drums for industrial applications.
Technical Grade Magnesium Peroxide
Technical-grade MgO2 powder used as an oxygen release agent in aquaculture and soil remediation. It qualifies for HTS 2816.10.00.00 specifically as a peroxide of magnesium, separate from other peroxides like hydrogen peroxide. High purity ensures classification in Chapter 28.
Pharmaceutical Magnesium Hydroxide USP
USP-grade magnesium hydroxide compliant with pharmacopeia standards for antacid formulations. Falls squarely under HTS 2816.10.00.00 as a pure, chemically defined inorganic hydroxide. Bulk powder for tablet manufacturing.