Molecule structure of N-Acetoxy-4-fluorenylacetamide (CAS NO.55080-20-1):

IUPAC Name: [Acetyl(9H-fluoren-4-yl)amino] acetate 
Molecular Weight: 281.3059 g/mol
Molecular Formula: C₁₇H₁₅NO₃ 
Density: 1.279 g/cm³ 
Boiling Point: 445.1 °C at 760 mmHg 
Flash Point: 223 °C
Index of Refraction: 1.639
Molar Refractivity: 79.17 cm³
Molar Volume: 219.9 cm³
Polarizability: 31.38×10^-24 cm³
Surface Tension: 54.7 dyne/cm 
Enthalpy of Vaporization: 70.3 kJ/mol
Vapour Pressure: 4.06E-08 mmHg at 25 °C
XLogP3-AA: 3
H-Bond Acceptor: 3
Rotatable Bond Count: 3
Exact Mass: 281.105193
MonoIsotopic Mass: 281.105193
Topological Polar Surface Area: 46.6
Heavy Atom Count: 21
Complexity: 422
Canonical SMILES: CC(=O)N(C1=CC=CC2=C1C3=CC=CC=C3C2)OC(=O)C
InChI: InChI=1S/C17H15NO3/c1-11(19)18(21-12(2)20)16-9-5-7-14-10-13-6-3-4-8-15(13)17(14)16/h3-9H,10H2,1-2H3
InChIKey: PMEVOEINURJXEL-UHFFFAOYSA-N

Questionable carcinogen with experimental tumorigenic data. See also ESTERS. When heated to decomposition it emits toxic fumes of NO_x.

 N-Acetoxy-4-fluorenylacetamide (CAS NO.55080-20-1) is also named as Acetic acid, ester with N-(fluoren-4-yl)acetohydroxamic acid ; N-(Fluoren-4-yl)acetohydroxamic acetate ; Acetic acid, (N-acetyl-N-(4-fluorenyl)amino) ester . N-Acetoxy-4-fluorenylacetamide (CAS NO.55080-20-1) is toxic. It is flammable. It will produce toxic nitrogen oxide fumes by heat. So the storage environment should be ventilate, low-temperature and dry.