Molecule structure of 3,4-Difluoroanisole (CAS NO.115144-40-6) :

IUPAC Name: 1,2-difluoro-4-methoxybenzene 
Molecular Weight: 144.118746 g/mol
Molecular Formula: C₇H₆F₂O 
Density: 1.182 g/cm³ 
Boiling Point: 149.6 °C at 760 mmHg 
Flash Point: 55 °C 
Appreance: clear colourless liquid
Molar Volume: 121.8 cm³
Polarizability: 13.05*10^-24 cm³
Surface Tension: 27.1 dyne/cm
Enthalpy of Vaporization: 37.06 kJ/mol
Vapour Pressure: 5.08 mmHg at 25 °C
XLogP3: 2.3
H-Bond Acceptor: 3
Rotatable Bond Count: 1
Exact Mass: 144.038671
MonoIsotopic Mass: 144.038671
Topological Polar Surface Area: 9.2
Heavy Atom Count: 10
Complexity: 108
Canonical SMILES: COC1=CC(=C(C=C1)F)F
InChI: InChI=1S/C7H6F2O/c1-10-5-2-3-6(8)7(9)4-5/h2-4H,1H3
InChIKey: DSEVNUCNUTYYHW-UHFFFAOYSA-N
Product Categories: Aromatic Ethers; Anisole; Anisoles, Alkyloxy Compounds & Phenylacetates; Fluorine Compounds; Ethers; Organic Building Blocks; Oxygen Compounds

 3,4-Difluoroanisole (CAS NO.115144-40-6) is used as intermediates medicine, pesticide and liquid crystal materials.

Hazard Codes: Xi, F, Xn
Risk Statements: 10-36/37/38
R10: Flammable
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 16-26-36-7/9
S16: Keep away from sources of ignition 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
S36: Wear suitable protective clothing 
S7: Keep container tightly closed
S9: Keep container in a well-ventilated place
RIDADR: UN 1993 3/PG 3
WGK Germany: 3
Hazard Note: Flammable
HazardClass: 3
PackingGroup: III

 3,4-Difluoroanisole (CAS NO.115144-40-6) is also called 3,4-Difluoro-1-methoxybenzene ; 1,2-Difluoro-4-methoxy-benzene ; 3,4,5-Trifluoro anisole .