2914.50.30.00/4-Hydroxy-4-methyl-2-pentanone/Canada

4-Hydroxy-4-methyl-2-pentanone from Canada

This tertiary hydroxy aromatic ketone substitute is actually 4-hydroxy-4-methylpentan-2-one, but classified here when aromatic-modified. HTS 2914.50.30.00 covers such ketone-oxygen function aromatics used in polymer synthesis. Commonly employed as a photoinitiator precursor.

Duty Rate — Canada → United States

100%

Rate breakdown

9903.04.6094.5%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)

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Import Tips

• Confirm no peroxide formation via peroxide test strips before shipping

• Use HDPE containers with PTFE liners for ketone compatibility

• Declare flash point (62°C) on MSDS for DOT classification