IUPAC Name: (4-Hydroxyphenyl) 2-methylprop-2-enoate 
Following is the structure of 2-Propenoic acid, 2-methyl-, 4-hydroxyphenyl ester (CAS NO.31480-93-0):
                                  
Empirical Formula: C₁₀H₁₀O₃
Molecular Weight: 178.1846 
EINECS: 250-652-7
Index of Refraction: 1.542
Molar Refractivity: 48.3 cm³
Molar Volume: 153.4 cm³
Density: 1.161 g/cm³
Flash Point: 140.5 °C
Surface Tension: 41.1 dyne/cm
Enthalpy of Vaporization: 58.44 kJ/mol
Boiling Point of 2-Propenoic acid, 2-methyl-, 4-hydroxyphenyl ester (CAS NO.31480-93-0): 320.4 °C at 760 mmHg
Vapour Pressure of 2-Propenoic acid, 2-methyl-, 4-hydroxyphenyl ester (CAS NO.31480-93-0): 0.00017 mmHg at 25 °C
Canonical SMILES: CC(=C)C(=O)OC1=CC=C(C=C1)O
InChI: InChI=1S/C10H10O3/c1-7(2)10(12)13-9-5-3-8(11)4-6-9/h3-6,11H,1H2,2H3
InChIKey: PJMXUSNWBKGQEZ-UHFFFAOYSA-N

 2-Propenoic acid, 2-methyl-, 4-hydroxyphenyl ester , its cas register number is 31480-93-0. It also can be called 4-Hydroxyphenyl methacrylate . Its classification code is TSCA Flag P [A commenced PMN (Premanufacture Notice) substance].