IUPAC Name: 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,
19,19,20,20,20-dotetracontafluoroicosane
CAS: 37589-57-4
Formula: C₂₀F₄₂
Molecular Weight: 1038.15
The Molecular Structure of  Perfluoroeicosane (CAS NO.37589-57-4):

Density: 1.764 g/cm³ 
Flash Point: 144.7 °C
Melting Point: 164-166 °C(lit.)
Index of Refraction: 1.273 
Molar Refractivity: 100.89 cm³ 
Molar Volume: 588.4 cm³ 
Polarizability: 39.99×10^-24cm³ 
Surface Tension: 13.5 dyne/cm 
Enthalpy of Vaporization: 54.33 kJ/mol 
Boiling Point: 323.8 °C at 760 mmHg 
Vapour Pressure: 0.000484 mmHg at 25°C 
Product Categories: alkyl;halogenated hydrocarbons;organic building blocks.

Safety Information about Perfluoroeicosane (CAS NO.37589-57-4):
Hazard Codes: 
Xi:
Risk Statements about Perfluoroeicosane (CAS NO.37589-57-4):
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements about Perfluoroeicosane (CAS NO.37589-57-4):
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39: Wear suitable gloves and eye/face protection.
WGK Germany: 3
Hazard Note: Irritant

Perfluoroeicosane with CAS number of 37589-57-4 is also known as Perfluoroeicosane ; 1,1,1,2,2,3,3,4,4,5,5,      6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,20-Dotetracontafluoroicosane
; Eicosane, dotetracontafluoro- ; Eicosane,dotetracontafluoro- ; Dotetracontafluoroicosane ; Perfluoroeicosane 97% ; Perfluoroeicosane97% ; 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,
17,18,18,19,19,20,20,20-Dotetracontafluoroicosane .