Trimethyl phosphite
Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives. > Trimethyl phosphite > Trimethyl phosphite
Duty Rate (from China)
Products classified under Tariff item 2920.23.00.00
99% Pure Trimethyl Phosphite
High-purity trimethyl phosphite (99%) is a separate chemically defined organic compound, an ester of phosphorous acid, used in fine chemical synthesis for agrochemicals and polymers. It falls under tariff item 2920.23.00 as the specific phosphite ester, with no halogenation or other modifications.
2920.23.00Distilled Trimethyl Phosphite 98%
Vacuum-distilled trimethyl phosphite at 98% purity is a chemically defined phosphite ester used in pharmaceutical phosphonate synthesis. It is classifiable under tariff item 2920.23.00 as trimethyl phosphite, meeting chapter purity criteria for separate organic compounds.
2920.23.00Industrial Grade Trimethyl Phosphite
Industrial-grade trimethyl phosphite for large-scale production of flame retardants and plasticizers is a separate chemically defined organic compound. It falls under tariff item 2920.23.00 as the specific phosphite ester, regardless of industrial use, provided it meets chapter purity criteria.
2920.23.00Stabilized Trimethyl Phosphite
Trimethyl phosphite with added stabilizer for safe transport is classifiable under tariff item 2920.23.00, as chapter note 1(f) permits added stabilizers necessary for preservation or transport. The stabilizer does not render the product particularly suitable for a specific use, so it remains a separate chemically defined compound.
2920.23.00Technical Trimethyl Phosphite
Technical-grade trimethyl phosphite for pesticide manufacturing is a pure compound under tariff item 2920.23.00, excluding formulated products. It is a separate chemically defined organic compound, and its technical grade does not preclude classification as trimethyl phosphite.
2920.23.00Trimethyl Phosphite
Trimethyl phosphite, a colorless liquid organophosphorus compound with the formula P(OCH3)3, is a separate chemically defined organic compound. It serves as a key reagent in organic synthesis for producing pesticides and falls under tariff item 2920.23.00 as a phosphite ester.