Diethyl Ethylphosphonate 98% Technical Grade

Technical grade diethyl ethylphosphonate at 98% purity is used in industrial synthesis of organophosphorus compounds and as a flame retardant additive precursor. Classified under HTS 2931.43.00.00 as the specific non-halogenated organo-phosphorus derivative, even with minor impurities allowed per Chapter 29 notes. Supplied in industrial drums for chemical manufacturing.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+17.5%21.2%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪Germany3.7%+10.0%13.7%
🇯🇵Japan3.7%+10.0%13.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2909.60.20.00Higher: 40.5% vs 21.2%

If ester functionality misclassified ahead of phosphorus characteristic group

Chapter notes require classification by heading last in numerical order; organo-inorganic (2931) supersedes alcohol esters (2909).

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Import Tips & Compliance

Submit Certificate of Analysis (CoA) specifying minimum 98% purity to distinguish from mixtures classifiable elsewhere

Declare exact phosphonate content and confirm absence of halogen substitution via NMR or GC-MS data

Comply with TSCA import certification requirements for new chemical substances

Related Products under HTS 2931.43.00.00

Diethyl Ethylphosphonate

Diethyl ethylphosphonate (DEEP) is a non-halogenated organo-phosphorus compound used primarily as a chemical intermediate in organic synthesis and flame retardant production. It falls under HTS 2931.43.00.00 as it is specifically named as a separate chemically defined organo-inorganic compound containing phosphorus directly linked to carbon. This colorless liquid is essential in manufacturing pesticides and plasticizers.

DEEP Stabilized with 0.1% Antioxidant

Diethyl ethylphosphonate stabilized with 0.1% antioxidant for transport and storage stability, qualifying under Chapter 29 note (f) for added stabilizers. Specifically classified in HTS 2931.43.00.00 as the named organo-phosphorus compound with necessary preservation additive. Used in pesticide intermediate production.

Diethyl Ethylphosphonate in 10% Ethanol Solution

10% diethyl ethylphosphonate in ethanol solution for safe transport, qualifying under Chapter 29 note (e) as normal packaging method for safety. Classified under HTS 2931.43.00.00 as the specific compound dissolved in solvent not rendering it for specific use. Used in laboratory and fine chemical synthesis.

High Purity Diethyl Ethylphosphonate 99.5%+

Ultra-high purity diethyl ethylphosphonate (99.5%+) for pharmaceutical intermediate and specialty chemical synthesis. Falls under HTS 2931.43.00.00 as the specifically named non-halogenated organo-phosphorus compound per Chapter 29 definitions. Supplied in glass bottles for research applications.