The Molecular Structure of Perfluorotetradecanoic acid (CAS NO.376-06-7):

IUPAC Name: 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,14-Heptacosafluorotetradecanoic acid 
Molecular Formula: C₁₄HF₂₇O₂
Molecular Weight: 714.11g/mol
EINECS: 206-803-4
Melting Point: 130-135 °C(lit.)
Freely Rotating Bonds: 12
Polar Surface Area: 26.3 Å²
Index of Refraction: 1.288
Molar Refractivity: 72.44 cm³
Molar Volume: 401.9 cm³
Polarizability: 28.72 ×10^-24cm³
Surface Tension: 15.9 dyne/cm
Density: 1.776 g/cm³
Flash Point: 120.5 °C
Enthalpy of Vaporization: 56.59 kJ/mol
Boiling Point: 275.7 °C at 760 mmHg
Vapour Pressure: 0.00137 mmHg at 25°C
InChI
InChI=1/C14HF27O2/c15-2(16,1(42)43)3(17,18)4(19,20)5(21,22)6(23,24)7(25,26)8(27,28)9(29,30)10(31,32)11(33,34)12(35,36)13(37,38)14(39,40)41/h(H,42,43) 
Smiles
O=C(O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F
Product Categories: C13 to C42+ ; Carbonyl compounds ; Carboxylic acids
Other names:

Hazard Codes: C 
Risk Statements: 34
R34: Causes burns.
Safety Statements: 26-36/37/39-45 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: 3261
WGK Germany: 3
HazardClass: 8
PackingGroup: II

The extinguishing agent of Perfluorotetradecanoic acid (CAS NO.376-06-7) are dry powder, foam, sand, carbon dioxide, water mist.