O-Ethyl Methyl Phosphonofluoridate (EMPF)
A halogenated organo-phosphorus compound with an ethyl group and methyl substituent on the phosphorus atom bonded to fluoride. It falls under HTS 2931.59.0010 as an O-alkyl (C2) alkyl (methyl) phosphonofluoridate, matching the chemical structure defined in the heading for other halogenated organo-phosphorous derivatives. These are separate chemically defined organic compounds per Chapter 29 note (a).
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing arsenic instead of phosphorus
Organo-arsenic compounds fall under other organo-inorganic compounds excluding phosphorous derivatives.
If sold as a mixture with sulfur compounds
Organo-sulfur compounds take precedence per Chapter 29 note on classification in last numerical heading.
If imported as a dilute aqueous solution for safety transport
Chapter 28 covers other inorganic compounds including diluted organo-halides not qualifying under Chapter 29 note (d).
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Import Tips & Compliance
• Require end-user certificates and verify compliance with Chemical Weapons Convention (CWC) schedules; ensure SDS documentation specifies exact chemical purity
• Common pitfall: misclassification as pesticide intermediate without fluoride confirmation
• Consult CBP for Schedule 1 chemical import permits
Related Products under HTS 2931.59.00.10
O-Isopropyl Methylphosphonofluoridate (IMPF)
This compound features an isopropyl O-alkyl group (≤C10) and methyl alkyl on phosphorus with a fluoride, classified under HTS 2931.59.0010 for O-alkyl alkyl phosphonofluoridates. As a chemically defined organo-inorganic phosphorus derivative with halogen, it fits Chapter 29's scope for separate organic compounds.
O-n-Propyl Ethylphosphonofluoridate
A specific phosphonofluoridate with n-propyl (C3) O-alkyl and ethyl alkyl groups, directly matching HTS 2931.59.0010's description for halogenated organo-phosphorous derivatives. It qualifies as a separate chemically defined compound under Chapter 29, excluding mixtures or non-pure forms.
O-Cyclohexyl Methylphosphonofluoridate
Features a cyclohexyl cycloalkyl (C6 ≤C10) O-group, methyl alkyl, and fluoride on phosphorus, fitting HTS 2931.59.0010 for O-alkyl (including cycloalkyl) alkyl phosphonofluoridates. This pure, chemically defined compound adheres to Chapter 29 notes excluding solvents or additives.
O-Methyl n-Propylphosphonofluoridate
This derivative has methyl O-alkyl (C1 ≤C10), n-propyl alkyl, and fluoridate group, precisely under HTS 2931.59.0010 as other halogenated organo-phosphorous compounds. It meets Chapter 29's criteria for separate organic compounds without disqualifying mixtures.