Theophylline Ethanolamine from Mexico
Theophylline ethanolamine salt improves alkaloid solubility for pediatric formulations. Under HTS 2939.59.00.00 as ethanolamine derivative salt of theophylline. Used in liquid medications.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Ethanolamine volatility specs; avoid Chapter 29 alcoholate confusion; pH stability data