Anhydrous Strontium Hydroxide from Mexico
Anhydrous strontium hydroxide (Sr(OH)2) is a highly reactive base used in organic synthesis and sugar refining. It qualifies for HTS 2816.40.10.00 as a pure hydroxide of strontium under Chapter 28's inorganic compounds.
Duty Rate — Mexico → United States
4.2%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Use COA to prove anhydrous state vs. octahydrate; mislabeling can lead to duty adjustments
• Comply with REACH-like TSCA pre-notice if >10,000 lbs/year imported
• Package in moisture-proof containers to prevent hydration during transit