Services: Electrical testing and certification, environmental or chemical testing

language
- English
- 中文

400-9269-886

NEWS CENTER

Industry News

Company News

Knowledge

PFHxS substances officially included in the EU POPs regulation and control

Time：

2023-08-08

The European Commission published a revised regulation (EU) 2023/1608 of the EU POPs Regulation (EU) 2019/1021 in its official gazette, officially listing PFHxS, its salts, and related substances on the list of prohibited substances in the EU POPs regulation. This regulation will come into effect on the 20th day after its publication in the official gazette. At this point, the list of prohibited substances in Annex I of the EU POPs regulation has officially increased from 28 to 29.

On August 8, 2023, the European Commission published a revised regulation (EU) 2023/1608 of the EU POPs Regulation (EU) 2019/1021 in its official gazette, officially listing PFHxS, its salts, and related substances on the list of prohibited substances in the EU POPs regulation. This regulation will come into effect on the 20th day after its publication in the official gazette. At this point, the list of prohibited substances in Annex I of the EU POPs regulation has officially increased from 28 to 29.

Substance name

Perfluorohexane sulfonic acid (PFHxS) and its salts and related substances
Perfluorohexane sulfonic acid (PFHxS) and its salts and PFHxs related substances refer to the following:
(1) Perfluorohexane sulfonic acid, including any branched isomers thereof;
(2) Its salts;
(3) PFHxS related substances: For the purpose of the Convention, any substance containing C6F13S chemical components as one of its structural elements that can be degraded into PFHxS.

CAS number

355-46-4 and others

Special exemptions for intermediate use or other regulations

1. For the purpose of this entry, point (b) of Article 4 (1) applies to the concentration of PFHxS or any of its salts in a substance, mixture or article ≤ 0.025 mg/kg (0.0000025%).
For the purpose of this article, point (b) of Article 4 (1) shall apply to the concentration of all PFHxS related substances in a substance, mixture or article, with a total concentration ≤ 1 mg/kg (0.0001%).
3. For the purpose of this entry, point (b) of Article 4 (1) shall apply to the concentration of PFHxS and its salts and PFHxS related substances ≤ 0.1 mg/kg (0.00001%) used in concentrated fire foam mixtures or used in the production of other fire foam mixtures. The Committee shall review and evaluate this exemption again before August 28, 2026.
Common uses of PFHxS, its salts, and related substances
(1) Water based film forming foam (AFFF) for fire protection;
(2) Metal electroplating;
(3) Textiles, leather, and interior decoration;
(4) Polishing and cleaning agents;
(5) Coating, impregnation/protection (used for moisture-proof, mold proof, etc.);
(6) The field of electronics and semiconductor manufacturing.

In addition, other potential use categories may include insecticides, flame retardants, paper and packaging, petroleum industry, and hydraulic oils. PFHxS, its salts, and PFHxS related compounds have been used in certain consumer products based on PFAS.