Phenyltrichlorosilane Stabilized with Hexamethyldisiloxane from Japan
Phenyltrichlorosilane with added hexamethyldisiloxane stabilizer for moisture protection during transport, classified under HTS 2931.90.0500 per Chapter 29 note (f). The stabilizer is necessary for preservation without creating specific-use formulation.
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
• Document stabilizer as <1% and solely for transport per Chapter 29 note (f) requirements
• Monitor hydrolysis during import; test upon arrival to confirm compound integrity
• Avoid anti-dusting agents that trigger note (g) specific-use exclusion