Dimethyl phosphite
Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives. > Phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives: > Dimethyl phosphite > Dimethyl phosphite
Duty Rate (from China)
Products classified under Tariff item 2920.21.00.00
Dimethyl Phosphite (DMP)
Dimethyl phosphite (DMP), a colorless liquid organophosphorus compound with the formula (CH3O)2P(O)H. It is a separate chemically defined organic compound classified under tariff item 2920.21.00 as a phosphite ester of an inorganic acid of a non-metal. It serves as a key intermediate in the production of pesticides, flame retardants, and other chemicals.
2920.21.00Dimethyl Phosphite in Aqueous Solution 50%
Dimethyl phosphite in aqueous solution at 50% concentration, prepared for safe transport. This solution falls under tariff item 2920.21.00 as a product of a separate chemically defined organic compound dissolved in water, per Chapter 29 Note 1(d). It is used in corrosion inhibitors and other industrial applications.
2920.21.00Dimethyl Phosphite Reagent Grade
Reagent-grade dimethyl phosphite meeting ACS specifications for laboratory use. As a separate chemically defined organic compound, it is classified under tariff item 2920.21.00 per Chapter 29 Note 1(a). It is ideal for research and development in phosphonate chemistry.
2920.21.00Dimethyl Phosphite with Stabilizer
Dimethyl phosphite stabilized with BHT (butylated hydroxytoluene) for transport stability. Chapter 29 Note 1(f) permits added stabilizers necessary for preservation or transport without changing classification. This product falls under tariff item 2920.21.00 and is used in herbicide production and other applications.
2920.21.00Distilled Dimethyl Phosphite 99%
High-purity distilled dimethyl phosphite with 99% assay, used as an intermediate in pesticide production. As a separate chemically defined organic compound with the formula (CH3O)2P(O)H, it is classified under tariff item 2920.21.00 per Chapter 29 Note 1(a).
2920.21.00High Assay Dimethyl Phosphite 99.5%
Ultra-high purity dimethyl phosphite at 99.5% for pharmaceutical intermediates. This separate chemically defined organic compound is classified under tariff item 2920.21.00 as a phosphite ester. Its high purity supports sensitive chemical reactions in pharmaceutical synthesis.
2920.21.00Industrial Grade Dimethyl Phosphite
Industrial-grade dimethyl phosphite with 97-98% purity, used in manufacturing water treatment agents and as a reducing agent. It is classified under tariff item 2920.21.00 as a pure phosphite ester, meeting the criteria for a separate chemically defined organic compound.
2920.21.00Purified Dimethyl Phosphite for Pesticides
Purified dimethyl phosphite for glyphosate synthesis, a key agrochemical intermediate. As a separate chemically defined organic compound, it is classified under tariff item 2920.21.00 per Chapter 29 Note 1(a). It is essential in the production of herbicides.
2920.21.00Stabilized Dimethyl Phosphite Bulk
Bulk stabilized dimethyl phosphite with an anti-caking agent for industrial handling. Chapter 29 Note 1(f) allows added anti-caking agents necessary for preservation or transport. This product is classified under tariff item 2920.21.00 and is applied in polymer additives.
2920.21.00Technical Dimethyl Phosphite for Flame Retardants
Technical-grade dimethyl phosphite designed for flame retardant production. As a pure phosphite ester, it is classified under tariff item 2920.21.00 per Chapter 29 Note 1(a). It reacts to form phosphorus-containing polymers used in flame retardants.