Stabilized Diethyl Phosphite with MEHQ Inhibitor from Japan
Diethyl phosphite stabilized with 100ppm monomethyl ether hydroquinone (MEHQ) prevents auto-oxidation during storage. Classified under HTS 2920.22.00.00 per Chapter 29 note 2(f) as phosphite ester with necessary preservative.
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 concentration (<0.1%) in SDS to qualify under note 2(f); higher levels risk 3824 classification
• Avoid plastic IBCs; use stainless steel or HDPE with fluorination for phosphite compatibility
• Monitor shelf life declaration; expired stabilizer versions often denied entry