Calcium Hydride Powder
Calcium hydride (CaH2) acts as a desiccant and hydrogen source in chemical manufacturing. Falls under HTS 2850.00.5000 as an alkaline earth metal hydride. Gray powder that reacts vigorously with water.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as calcium oxide derivative
Calcium oxide including hydrides sometimes under 2825 per tariff structure.
If marketed as fertilizer component
Calcium compounds for fertilizers classified in Chapter 31.
If significant carbide impurity present
Chapter exclusion moves carbide-containing products to 2849.
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Import Tips & Compliance
• UN 1404 classification requires steel drums with desiccant packs
• Provide hydrogen evolution test data for customs safety review
• Confirm compliance with OSHA pyrophoric material standards
Related Products under HTS 2850.00.50.00
Sodium Hydride Powder
Sodium hydride (NaH) is a strong base and reducing agent used in organic synthesis for deprotonation reactions. It falls under HTS 2850.00.5000 as a chemically defined hydride, distinct from carbides in heading 2849. Typically supplied as a fine gray powder stored under inert atmosphere.
Lithium Aluminum Hydride Granules
Lithium aluminum hydride (LiAlH4) serves as a powerful reducing agent in organic chemistry for carbonyl reductions. Classified under HTS 2850.00.5000 as a complex metal hydride. Supplied as white granules requiring anhydrous storage conditions.
Sodium Borohydride Crystals
Sodium borohydride (NaBH4) selectively reduces aldehydes and ketones in organic synthesis. Classified as a borohydride under HTS 2850.00.5000. White crystalline solid soluble in water and alcohol.
Potassium Hydride Dispersion
Potassium hydride dispersed in mineral oil prevents direct air/moisture contact. Used as strong base in specialized organic reactions. HTS 2850.00.5000 covers this chemically defined hydride.
Magnesium Hydride Powder
Magnesium hydride (MgH2) stores hydrogen for fuel cell and battery applications. Classified under HTS 2850.00.5000 as metal hydride. Fine white powder with high hydrogen capacity.
Lithium Borohydride Solution
Lithium borohydride (LiBH4) in ether solution for hydrogen storage research. HTS 2850.00.5000 classification for chemically defined borohydride. High hydrogen density material.