Triacetin (Glycerol Triacetate) from China
Triacetin is the triester of glycerol and acetic acid, classified under HTS 2918.99.5000 as a carboxylic acid ester with additional oxygen function (multiple ester groups). It is a chemically defined organic compound used as a plasticizer, solvent, and pharmaceutical excipient. This fits Chapter 29 note (A) for esters classified by the later-occurring compound.
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
• Provide Certificate of Analysis confirming purity >98% as chemically defined compound per Chapter 29 note (a)
• Label with CAS 102-76-1 and exact chemical name; avoid generic 'plasticizer' descriptions to prevent reclassification