FC-248 Tetraethylammonium-perfluoroctylsufonate
CAS No. 56773-42-3

Structure formula: (C2H5)4N(+)RfSO3(-)

Formula weight: 629

Appearance: yellowish or white powder

Content: 98%min

Surface tension: 22mN/m (0.1% water solution)

Melting point: 170-190℃

Type: Anion fluoro surfactant

 Application:

1. Used as chrome-fume suppressor for both decorative and functional chromium plating, (level of addition: 25mg~50mg/ liter )

2. Used as wetting agent, leveling agent and antistatic agent for photographic paper and film

3. Used as wetting agent for glass etching and opacification baths

4. Used as wetting agent for acid baths for metal surface treatment  e.g. anodizing baths, chromatizing baths.

5. Used as demould agent for plastic