Thiodiglycol (bis(2-hydroxyethyl) sulfide) from China
Thiodiglycol, chemically bis(2-hydroxyethyl) sulfide, is an organo-sulfur compound with sulfur directly linked to carbon atoms, specifically named in HTS 2930.90.92.08. Used as a solvent and chemical intermediate, it qualifies under Chapter 29 for separate chemically defined organic compounds in heading 2930.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6096.3%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
• Obtain ATF import license as thiodiglycol is a List I chemical regulated under chemical diversion laws
• Provide detailed safety data sheets (SDS) and end-use statements to clear customs without delays
• Label containers properly to distinguish from mixtures; pure thiodiglycol stays in 2930, diluted forms may shift headings