1,2,4,5-Tetrafluorobenzene

 1,2,4,5-Tetrafluorobenzene (327-54-8) is called for 2,3,5,6-Tetrafluorobenzene ; Benzene,1,2,4,5-tetrafluoro- ; p-Tetrafluorobenzene ; 1,2,4,5-Tetrafluorbenzol ; NSC10249 ; CID9474 ; T101 ; TL8002468 ,and so on. 1,2,4,5-Tetrafluorobenzene (327-54-8) is usually clear colorless liquid.

IUPAC Name: 1,2,4,5-Tetrafluorobenzene
CAS: 327-54-8
Molecular Formula: C₆H₂F₄
Molecular Weight: 150.07
Molecular structure:
EINECS: 206-319-3
Melting point:  4 °C(lit.)
Storage temp.:  Flammables area
BRN:  1909052
ACD/LogD (pH 5.5): 2.46 
ACD/LogD (pH 7.4): 2.46 
H bond acceptors: 0 
H bond donors: 0 
Freely Rotating Bonds: 0 
Index of Refraction: 1.408 
Molar Refractivity: 26.22 cm³ 
Molar Volume: 106.2 cm³ 
Polarizability: 10.39 10^-24cm³ 
Surface Tension: 24.2 dyne/cm 
Density: 1.412 g/cm³ 
Flash Point: 16.1 °C 
Enthalpy of Vaporization: 31.65 kJ/mol 
Boiling Point: 90.2 °C at 760 mmHg 
Vapour Pressure: 64.2 mmHg at 25°C

 1,2,4,5-Tetrafluorobenzene (327-54-8) is commonly used as organic reagent and pharmaceutical intermediate.

Hazard Codes:  F,Xi  
Risk Statements:  11-36/37/38 (11:  Highly Flammable 36/37/38:  Irritating to eyes, respiratory system and skin)
Safety Statements:  16-26-36/37/39-37/39-33-7/9 (16:  Keep away from sources of ignition - No smoking 26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 36/37/39:  Wear suitable protective clothing, gloves and eye/face protection 37/39:  Wear suitable gloves and eye/face protection 33:  Take precautionary measures against static discharges 7/9:  Keep container tightly closed and in a well-ventilated place)
RIDADR:  UN 1993 3/PG 2
WGK Germany:  3
Hazard Note:  Flammable/Irritant
HazardClass:  3
PackingGroup:  II