O-2-(Dimethylamino)ethyl Hydrogen Methylphosphonite
This is a specific non-halogenated organo-phosphorus compound featuring a phosphonite group linked to a dimethylaminoethyl chain, classified under HTS 2931.49.00.08 as it matches the exact chemical structure described for phosphonites with dialkylamino substituents. It serves as a key intermediate in synthesizing phosphorus-based ligands for catalysis.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| šØš³China | 3.7% | ā | 3.7% |
| š²š½Mexico | 3.7% | ā | 3.7% |
| šØš¦Canada | 3.7% | ā | 3.7% |
| š©šŖGermany | 3.7% | ā | 3.7% |
| šÆšµJapan | 3.7% | ā | 3.7% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing halogen substituents
Halogenated organo-phosphorus derivatives shift to organo-phosphorus halides in 2931.00.3000.
If classified primarily as organo-sulfur rather than phosphorus dominant
Chapter notes prioritize later numerical headings, but sulfur-carbon linkage would place it in organo-sulfur compounds of 2930.
If containing additional heterocyclic nitrogen rings beyond amino group
Organic compounds with heterocyclic structures fall under 2942, superseding organo-inorganic classification.
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Import Tips & Compliance
ā¢ Provide detailed chemical analysis certificates (COA) confirming the exact phosphonite structure and alkyl chain lengths to avoid misclassification
ā¢ Ensure SDS includes safety data for phosphorus compounds; common pitfall is inadequate hazard labeling during transport
ā¢ Verify purity levels >95% as impurities may trigger reclassification under general organo-inorganic headings
Related Products under HTS 2931.49.00.08
Methyl [O-2-(Dipropylamino)ethyl] Methylphosphonite Ester
This O-alkyl ester of a dipropylaminoethyl hydrogen methylphosphonite falls squarely under HTS 2931.49.00.08 due to its defined dialkylamino and Cā¤10 alkyl structure. Primarily utilized in ligand synthesis for transition metal catalysts.
Isopropyl [O-2-(Methylpropylamino)ethyl] Hydrogen Isopropylphosphonite
Complex phosphonite with mixed isopropyl/methylpropyl amino substituents, classified in HTS 2931.49.00.08 for its non-halogenated organo-phosphorus aminoethyl structure. Applied in fine chemical synthesis and agrochemical intermediates.
O-2-(Diethylamino)ethyl Hydrogen Ethylphosphonite
A phosphonite ester derivative with diethylaminoethyl and ethyl groups, precisely fitting HTS 2931.49.00.08 for non-halogenated amino-substituted phosphonites. Used in asymmetric catalysis and pharmaceutical intermediate production.
Diethylaminoethyl Cyclohexylphosphonite
O-cyclohexyl ester variant (C6 cycloalkyl ā¤C10) of diethylaminoethyl hydrogen phosphonite, fitting HTS 2931.49.00.08 specifications for alkyl/cycloalkyl esters. Key reagent in Buchwald-Hartwig coupling catalyst preparation.