Formulation: A liquid
Formal Name: 2,2,3,3,4,4-hexafluoro-4-(trifluoromethoxy)-butanoic acid
Formula Markup: C5HF9O3
Formula Weight: 280
Shelf life (days): 1460
CAS Number: 863090-89-5
Notes: Perfluoro-4-methoxybutanoic acid (PF5OHxA) is a perfluoroalkyl substance (PFAS).{66210} PF5OHxA has been found as a contaminant in wastewater.