Monoacetin (Glycerol Monoacetate) from China
Monoacetin is the monoester of glycerol and acetic acid, with two free hydroxyl groups providing additional oxygen functions. Falls under HTS 2918.99.5000 as chemically defined ester. Used as humectant, solvent, and in nicotine delivery systems.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6096%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• CAS 102-76-1 documentation required; distinguish from di/triacetin isomers
• Vaping imports need FDA PMTA compliance; chemical identity affects tobacco classification