Calcium Cyanide 70% Technical Solution Precursor from Japan
70% calcium cyanide technical grade is a concentrated form used as a precursor for on-site solution making in remote mining sites. It is squarely under HTS 2837.19.01.15 for calcium cyanide, as a chemically defined compound per subheading note, not a preparation. Purity ensures classification remains in Chapter 28.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Use refrigerated transport if hygroscopic; declare cyanide content precisely for CBP
• Avoid repackaging that creates 'retail' preparations