Calcium Hydride Powder from Mexico
Calcium hydride (CaH2) is a grayish-white powder used as a desiccant and reducing agent in chemical synthesis and hydrogen generation. It falls under HTS 2850.00.0500 as a chemically defined hydride of calcium, distinct from carbides in heading 2849. This inorganic compound reacts with water to produce hydrogen gas.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain proper hazardous materials certification as calcium hydride is pyrophoric and generates flammable hydrogen upon moisture contact
• Provide detailed chemical purity analysis and safety data sheets (SDS) to avoid misclassification as a metal or waste product
• Ensure packaging complies with UN standards for reactive solids to prevent customs delays