National Toxicology Program

CASRN: 355-46-4

Formula: C6-H-F13-O3-S

Synonyms/Common Names:

• C6 SULFONATE
• PERFLUOROHEXANE-1-SULPHONIC ACID
• 1,1,2,2,3,3,4,4,5,5,6,6,6-TRIDECAFLUOROHEXANE-1-SULFONIC ACID

Known Uses:

Used as surfactants, to make fluoropolymers and as water and stain protective coatings for carpets, paper and textiles

Nomination Background

Planned Carcinogenicity/Toxicity

• 4-WEEK (Gavage) Selected (C20616)  
  • Rats: Sprague Dawley

Organ Systems Toxicity

• GD 6 to PND 21 Conventional Teratology (Gavage) Selected (R04005)  
  • Rats: Sprague Dawley