IUPAC Name: 1,4-Difluoro-2-methylbenzene
Synonyms of 2,5-Difluorotoluene (CAS NO.452-67-5): Benzene, 1,4-difluoro-2-methyl-
CAS NO: 452-67-5
Molecular Formula: C₇H₆F₂
Molecular Weight: 128.12
Molecular Structure:
EINECS: 207-205-6
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 0 Å²
Index of Refraction: 1.456
Molar Refractivity: 31.06 cm³
Molar Volume: 114.1 cm³
Surface Tension: 26.5 dyne/cm
Density: 1.122 g/cm³
Flash Point: 12.8 °C
Enthalpy of Vaporization: 34 kJ/mol
Boiling Point: 116.3 °C at 760 mmHg
Vapour Pressure: 21.8 mmHg at 25°C 
Melting Point: -35°C
Stability: Stable. Incompatible with strong oxidizing agents.
Appearance: colorless to light yellow liquid
Product Categories of 2,5-Difluorotoluene (CAS NO.452-67-5): Fluorin-contained toluene series;Aromatic Hydrocarbons (substituted) & Derivatives;Halogen toluene;Miscellaneous;Fluorinated benzene series 
SMILES: Fc1ccc(F)c(c1)C
InChI: InChI=1/C7H6F2/c1-5-4-6(8)2-3-7(5)9/h2-4H,1H3
InChIKey: YSNVKDGEALPJGC-UHFFFAOYAV
Std. InChI: InChI=1S/C7H6F2/c1-5-4-6(8)2-3-7(5)9/h2-4H,1H3
Std. InChIKey: YSNVKDGEALPJGC-UHFFFAOYSA-N

Safety Information about 2,5-Difluorotoluene (CAS NO.452-67-5):
Hazard Codes: F,F+
Risk Statements: 11
R11: Highly flammable.
Safety Statements: 16-29-33
S16: Keep away from sources of ignition. 
S29: Do not empty into drains. 
S33: Take precautionary measures against static discharges.
RIDADR: UN 1993 3/PG 2
WGK Germany: 3
Hazard Note: Flammable
HazardClass: 3
PackingGroup: II