Molecular structure of 3-[4-(Trifluoromethoxy)phenyl]acrylic acid (CAS NO.783-13-1) is:

Product Name: 3-[4-(Trifluoromethoxy)phenyl]acrylic acid
CAS Registry Number: 783-13-1
IUPAC Name: (E)-3-[4-(trifluoromethoxy)phenyl]prop-2-enoic acid
Molecular Weight: 232.15599 [g/mol]  
Molecular Formula: C₁₀H₇F₃O₃  
XLogP3: 3  
H-Bond Donor: 1  
H-Bond Acceptor: 6
Melting Point: 178 °C
Index of Refraction: 1.526 
Molar Refractivity: 50.84 cm³ 
Molar Volume: 165.4 cm³
Surface Tension: 38.5 dyne/cm 
Density: 1.403 g/cm³ 
Flash Point: 133.2 °C 
Enthalpy of Vaporization: 56.64 kJ/mol 
Boiling Point: 296.6 °C at 760 mmHg 
Vapour Pressure: 0.000641 mmHg at 25 °C 
Product Categories: Aromatic Cinnamic Acids, Esters and Derivatives
Canonical SMILES: C1=CC(=CC=C1C=CC(=O)O)OC(F)(F)F
Isomeric SMILES: C1=CC(=CC=C1/C=C/C(=O)O)OC(F)(F)F
InChI: InChI=1S/C10H7F3O3/c11-10(12,13)16-8-4-1-7(2-5-8)3-6-9(14)15/h1-6H,(H,14,15)/b6-3+ 
InChIKey: RNYVTJANWYBGPW-ZZXKWVIFSA-N

Safty information about 3-[4-(Trifluoromethoxy)phenyl]acrylic acid (CAS NO.783-13-1) is:
Hazard Codes: Xi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39-22 
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. 
S22:Do not breathe dust.
Hazard Note: Irritant

 3-[4-(Trifluoromethoxy)phenyl]acrylic acid , its cas register number is 783-13-1. It also can be called 4-(Trifluoromethoxy)cinnamic acid .