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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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