Distilled Triethyl Phosphite BP Grade
BP-grade distilled triethyl phosphite for biochemical applications, classified as pure phosphite ester under HTS 2920.24.00.00. Free of secondary phosphites via fractional distillation.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If nitrosated or nitrogen-function derivative
Nitrogen-function compounds shift to 2929, excluding nitro/nitroso from certain definitions.
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Import Tips & Compliance
• Provide BP compliance certificate; glass-lined containers recommended; monitor for hydrolysis in humid storage
Related Products under HTS 2920.24.00.00
Triethyl Phosphite
Triethyl phosphite is a colorless liquid organophosphorus compound with the formula P(OCH2CH3)3, classified under HTS 2920.24.00.00 as a phosphite ester of an inorganic acid of nonmetal (phosphorous acid). It is a key reagent in organic synthesis for producing phosphonate ligands and flame retardants.
Triethyl Phosphite 98% Technical Grade
Technical grade triethyl phosphite at 98% purity is used in industrial synthesis of herbicides and stabilizers, falling under HTS 2920.24.00.00 as a chemically defined phosphite ester. Minor impurities do not alter its principal classification per chapter note (a).
Triethyl Phosphite Stabilized with BHT
Triethyl phosphite stabilized with butylated hydroxytoluene (BHT) for safe transport and storage, classified under HTS 2920.24.00.00 per chapter note (f) allowing stabilizers necessary for preservation. Used primarily in flame retardant production.
High Purity Triethyl Phosphite 99.5%
Ultra-high purity triethyl phosphite (99.5%) for pharmaceutical intermediate synthesis, directly under HTS 2920.24.00.00 as a separate chemically defined phosphite ester. Meets strict distillation specs for sensitive reactions.
Triethyl Phosphite in Ethanol Solution 50%
50% triethyl phosphite dissolved in ethanol for safe handling, classified under HTS 2920.24.00.00 per chapter note (b) for esters and note (e) for transport solutions not suited for specific use. Used in catalyst preparation.
Triethyl Phosphite with Anti-Dusting Agent
Triethyl phosphite with added anti-dusting agent for bulk handling safety, under HTS 2920.24.00.00 per chapter note (g) allowing identification/safety additives not rendering specific use. Common in polymer additive production.