Gadolinium Oxide (Gd2O3) 99.99% Pure from China
Ultra-pure gadolinium oxide for MRI contrast agents and phosphors. HTS 2846.90.20.40 covers this as a chemically defined rare-earth oxide of gadolinium, excluding cerium oxides per subheading.
Duty Rate — China → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include lot-specific ICP-MS analysis confirming >99.99% gadolinium oxide
• Declare exact chemical formula to avoid scrutiny as 'other mixtures'
• Comply with US FDA import alerts for medical precursor chemicals