Hexahydrophthalic anhydride from Japan
Hexahydrophthalic anhydride is the cyclic anhydride of cyclohexane-1,2-dicarboxylic acid, a derivative specifically covered by HTS 2917.20.00.00. This cyclanic compound is widely used in epoxy resin curing agents and alkyd resin production. It qualifies as a chemically defined derivative of cyclanic polycarboxylic acids.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide structural formula and production process documentation to distinguish from aromatic phthalic anhydride (2917.36)
• Include safety data sheets noting irritant properties and ensure UN-approved packaging for international shipment
• Confirm not mixed with stabilizers exceeding Chapter 29 note (g) limits to maintain principal classification