Distilled Thioglycolic Acid from Canada
Vacuum-distilled thioglycolic acid with minimized impurities, certified for electronics-grade applications. Classified under HTS 2930.90.4910 as chemically defined organo-sulfur acid.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6095.8%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
• Specify distillation conditions (pressure, temperature) and impurity profile (<1ppm heavy metals)
• Use nitrogen-purged, HDPE bottles with PTFE liners for moisture-sensitive transport
• Validate against RoHS Directive limits for electronic chemical imports