Molecular Structure of 2-Furanpropanoic acid (CAS NO.935-13-7):

IUPAC Name: 3-(furan-2-yl)propanoic acid 
Empirical Formula: C₇H₈O₃
Molecular Weight: 140.1366
H bond acceptors: 3
H bond donors: 1
Freely Rotating Bonds: 3
Polar Surface Area: 39.44 Å²
Index of Refraction: 1.502
Molar Refractivity: 34.29 cm³
Molar Volume: 116.1 cm³
Surface Tension: 44.1 dyne/cm
Density: 1.206 g/cm³
Flash Point: 103 °C
Enthalpy of Vaporization: 49.21 kJ/mol
Boiling Point: 229 °C at 760 mmHg
Vapour Pressure: 0.04 mmHg at 25°C
Melting Point: 56-59 °C
EINECS: 213-298-4
storage temp: Refrigerator (+4°C)
InChI
InChI=1/C7H8O3/c8-7(9)4-3-6-2-1-5-10-6/h1-2,5H,3-4H2,(H,8,9)
Smiles
c1(occc1)CCC(=O)O
Product Categories: Carboxylic Acids; Furans, Benzofurans & Dihydrobenzofurans; API intermediates; Carboxylic Acids; Furans, Benzofurans & Dihydrobenzofurans

Hazard Codes: Xi
Risk Statements: 36/37/38-41-37/38
R36/37/38:Irritating to eyes, respiratory system and skin. 
R41:Risk of serious damage to the eyes. 
R37/38:Irritating to respiratory system and skin.
Safety Statements: 37/39-26-39
S37/39:Wear suitable gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S39:Wear eye / face protection.
Hazard Note: Irritant
HazardClass: IRRITANT

  2-Furanpropanoic acid , with CAS number of 935-13-7, can be called Timtec-bb sbb005449 ; 3-(2-furyl)propanoic acid ; 3-(2-furyl)propionic acid ; 2-furanpropanoic acid ; 2-furanpropionic acid ; 3-furan-2-yl-propionic acid ; akos au36-m219 ; furan-2-propionic acid .It is a almost white to brown crystalline powder.