99% Pure Trimethyl Phosphite from Mexico
High-purity trimethyl phosphite (99%) used in fine chemical synthesis for agrochemicals and polymers. Falls under HTS 2920.23.00.00 as an ester of phosphorous acid without halogenation or other modifications.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide GC-MS analysis confirming trimethyl phosphite content to avoid reclassification as mixture
• Label with GHS pictograms for flammable liquid and toxic hazards; ensure DOT-compliant shipping papers
• Check EU REACH compliance if transshipping, as phosphites require registration