Calcium Nitrate Tetrahydrate from Japan
Calcium nitrate tetrahydrate (Ca(NO3)2·4H2O) is an inorganic nitrate salt under HTS 2834.29.51.00 for other nitrates. Widely used in agriculture as a water-soluble fertilizer and concrete set accelerator.
Duty Rate — Japan → United States
3.5%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Test for water content to confirm tetrahydrate form vs anhydrous for accurate molecular weight declarations
• Provide fertilizer registration numbers if applicable to facilitate agricultural entry
• Avoid bulk packaging contamination that could trigger mixture classification under 3824