Perfluoropropionic acid

IUPAC Name: 2,2,3,3,3-pentafluoropropanoic acid
MF: C₃HF₅O₂
MW: 164.03
EINECS: 207-021-6
Flash Point: 10.3 °C
Sensitive: Hygroscopic
Index of Refraction: 1.292
Storage temp: Store at RT
Vapor density: -5.6 (vs air)
Density: 1.561 g/mL at 25 °C(lit.)
vapor pressure: -40 mm Hg ( 20 °C)
Refractive index: n20/D 1.284(lit.)
Enthalpy of Vaporization: 36.78 kJ/mol 
Vapour Pressure: 35.8 mmHg at 25°C 
Boiling Point of Pentafluoropropanoic acid (CAS NO.422-64-0): 93.5 °C at 760 mmHg  
Product Categories: Analytical Chemistry ; Ion-Pair Reagents for HPLC ; LC/MS Ion-Pair Reagents for Basic Samples
Synonyms: 2,2,3,3,3-Pentafluoropropanoic acid ; Pentafluoro-propionicaci ; Propanoic acid, pentafluoro- ; Propionic acid, pentafluoro- ; Ipc-pffa-3 ; 2,2,3,3,3-pentafluoropropionic acid ; Perfluoropropionic acid ; Perfluoropropanoic acid
Following is the molecular structure of Pentafluoropropanoic acid (CAS NO.422-64-0):

Reported in EPA TSCA Inventory.

Poison by intraperitoneal route. Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of F⁻.
Safety Information of Pentafluoropropanoic acid (CAS NO.422-64-0):
Hazard Codes: C
C: Corrosive
Risk Statements: 20-34
20: Harmful by inhalation 
34: Causes burns 
Safety Statements: 26-36/37/39-45
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39:  Wear suitable protective clothing, gloves and eye/face protection 
45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) 
RIDADR: UN 3265 8/PG 2
WGK Germany: 3
RTECS: UF6475000
F3: Hygroscopic.
Hazard Note: Corrosive
TSCA: T
HazardClass: 8
PackingGroup: III