Diethyl Phosphite with 50ppm BHT Stabilizer
Diethyl phosphite containing 50ppm butylated hydroxytoluene (BHT) as oxidation inhibitor for extended shelf life. HTS 2920.22.00.00 per note 2(f) for necessary stabilizers.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If BHT >500ppm or multiple stabilizers present
Mixture of unrelated compounds exceeds Chapter 29 additive tolerances.
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Import Tips & Compliance
• Quantify BHT via GC to <100ppm limit; analytical report mandatory
• BHT-phosphite interaction monitored; separation peaks confirm physical mixture status
• Shelf life testing required for stabilizer efficacy claims
Related Products under HTS 2920.22.00.00
Diethyl Phosphite
Diethyl phosphite is a colorless liquid organophosphorus compound with the formula (C2H5O)2P(O)H, classified under HTS 2920.22.00.00 as a phosphite ester of an inorganic acid of nonmetal (phosphorous acid). It serves as a key reagent in organic synthesis for producing phosphonate derivatives and flame retardants.
Diethyl Phosphite 98% Technical Grade
Technical grade diethyl phosphite at 98% purity is used in industrial synthesis of herbicides like glyphosate intermediates. It falls under HTS 2920.22.00.00 as a phosphite ester meeting Chapter 29 requirements for chemically defined organic compounds.
Stabilized Diethyl Phosphite with MEHQ Inhibitor
Diethyl phosphite stabilized with 100ppm monomethyl ether hydroquinone (MEHQ) prevents auto-oxidation during storage. Classified under HTS 2920.22.00.00 per Chapter 29 note 2(f) as phosphite ester with necessary preservative.
Diethyl Phosphite for Glyphosate Synthesis
High-purity diethyl phosphite specifically for manufacturing glyphosate herbicide via phosphonate reaction pathway. HTS 2920.22.00.00 classification as chemically defined phosphite ester used in agrochemical production.
Distilled Diethyl Phosphite 99.5% Purity
Vacuum-distilled diethyl phosphite achieving 99.5% purity for pharmaceutical phosphonate intermediate synthesis. Falls under HTS 2920.22.00.00 as high-purity phosphite ester per Chapter 29 chemical definition.
Diethyl Phosphite Flame Retardant Intermediate
Diethyl phosphite used to synthesize phosphorus-based flame retardants for textiles and plastics. Classified HTS 2920.22.00.00 as phosphite ester essential for organophosphorus polymer additives.