Thioglycolic Acid with Stabilizer from Germany
Thioglycolic acid containing added stabilizer for transport stability, explicitly allowed under Chapter 29 note (f). Remains classified as pure compound under HTS 2930.90.4910, not as mixture.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.04.6210.8%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
• Document stabilizer type/concentration (<0.5% typical) per Chapter 29 note (f) to maintain pure compound status
• Include stability test data showing 12+ months shelf life under UN storage conditions
• Monitor for oxidation products; reject lots with >2% dithiodiglycolic acid