Fluorotelomers means the products of telomerization, which is the reaction of a telogen (such as pentafluoroethyl iodide) with an ethylenic compound (such as tetrafluoroethylene) to form low molecular weight polymeric compounds, which contain an array of saturated carbon atoms covalently bonded to each other (C-C bonds) and to fluorine atoms (C-F bonds). This array is predominantly a straight chain, and depending on the telogen used produces a compound having an even number of carbon atoms. However, the carbon chain length of the fluorotelomer varies widely. The perfluoroalkyl groups formed by this process are usually, but do not have to be, connected to the polymer through a functionalized ethylene group as indicated by the following structural diagram: (Rf-CH2CH2-Anything).


40 CFR § 723.250

Scoping language

Purpose and scope.
(1) This section grants an exemption from certain of the premanufacture notice requirements of section 5(a)(1)(A) of the Toxic Substances Control Act (15 U.S.C. 2604(a)(1)(A)) for the manufacture of certain polymers. This section does not apply to microorganisms subject to part 725 of this chapter.
(2) To manufacture a new chemical substance under the terms of this section, a manufacturer must:
(i) Determine that the substance meets the definition of polymer in paragraph (b) of this section.
(ii) Determine that the substance is not specifically excluded by paragraph (d) of this section.
(iii) Ensure that the substance meets the exemption criteria of paragraph (e) of this section.
(iv) Submit a report as required under paragraph (f) of this section.
(v) Comply with the recordkeeping requirements of paragraph (j) of this section.

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