High-Purity Calcium Cyanide for Laboratory Use from Japan
Laboratory-grade calcium cyanide is a high-purity form (99%+) used in analytical chemistry for qualitative and quantitative testing of cyanide reactions. It is explicitly classified under HTS 2837.19.01.15 as calcium cyanide, a simple inorganic cyanide fitting Chapter 28 Note 2 exclusions for organo-inorganic compounds. Supplied in small, sealed containers for research safety.
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
• Require end-user certificates for labs to meet chemical control laws; use child-resistant packaging per CPSC
• Avoid bulk imports misclassified as industrial grades