Distilled Trimethyl Phosphite 98%
Vacuum-distilled trimethyl phosphite at 98% purity for pharmaceutical phosphonate synthesis. HTS 2920.23.00.00 as chemically defined phosphite ester.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
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Import Tips & Compliance
• FDA prior notice if pharma intermediate; GMP cert for distilled grades
• Test for methanol content (<0.5%) to confirm ester integrity
• Declare CAS 121-45-9 explicitly on commercial invoice
Related Products under HTS 2920.23.00.00
Trimethyl Phosphite
Trimethyl phosphite is a colorless liquid organophosphorus compound with the formula P(OCH3)3, classified under HTS 2920.23.00.00 as a phosphite ester. It serves as a key reagent in organic synthesis for producing pesticides, flame retardants, and pharmaceutical intermediates.
99% Pure Trimethyl Phosphite
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.
Industrial Grade Trimethyl Phosphite
Industrial trimethyl phosphite for large-scale production of flame retardants and plasticizers. Classified in HTS 2920.23.00.00 as the specific phosphite ester meeting chapter purity criteria.
Stabilized Trimethyl Phosphite
Trimethyl phosphite with added stabilizer for safe transport, compliant with chapter note 2(f). Used in polymer additive synthesis under HTS 2920.23.00.00.
Technical Trimethyl Phosphite
Technical-grade trimethyl phosphite for pesticide manufacturing. Pure compound under HTS 2920.23.00.00, excluding formulated products.