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Tartronic Acid from Japan

Tartronic acid (2-hydroxypropanedioic acid) contains both carboxylic acid and alcohol functions without additional oxygen groups, qualifying for 2918.19.90.00. Used in pharmaceutical intermediates and biochemical research.

Duty Rate — Japan → United States

15%

Rate breakdown

9903.04.6211%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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

Require manufacturer specifications confirming single compound status vs salt forms

Document research/pharma end-use to justify chapter 29 over chapter 38 classification

Check for CAS registry verification (80-51-3) in import documentation