The Molecular formula of 3-Chloro-5-fluorobenzonitrile (327056-73-5):C₇H₃ClFN
The Molecular Weight of 3-Chloro-5-fluorobenzonitrile (327056-73-5):155.56
The Molecular Structure of 3-Chloro-5-fluorobenzonitrile (327056-73-5) is:
Density:1.33 g/cm³  
Melting point:54-59 ^°C(lit.)
Boiling point:195 ^°C at 760 mmHg
Flash point:71.7 ^°C
Index of Refraction:1.536
Molar Refractivity:36.26 cm³     
Molar Volume:116.1 cm³ 
Polarizability:14.37 10^-24cm³ 
Surface Tension:43 dyne/cm
Enthalpy of Vaporization:43.12 kJ/mol 
Vapour Pressure:0.43 mmHg at 25^°C 
Appearance:white to light yellow crystal powder
IUPAC Name: 3-Chloro-5-fluorobenzonitrile
Synonyms: Salor-int l301019-1ea ; 3-Chloro-5-fluorobenzonitrile ; Buttpark 45\01-07 ; 3-Chloro-5-fluorobenzonitrile,98%

RTECS#:CAS# 327056-73-5: None listed
LD50/LC50:RTECS:Not available. 
Carcinogenicity: 3-Chloro-5-fluorobenzonitrile - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.

Hazard Codes:Xn,T
Xn:HarmfulT:Toxic
Risk Statements
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
WGK Germany:3
Hazard Note:Toxic
 

It's stable under normal temperatures and pressures.It should avoid incompatible materials such as strong Oxidizing agents . Its hazardous decomposition products Hydrogen chloride , Hydrogen cyanide , Nitrogen oxides , Carbon monoxide , Carbon dioxide, Hydrogen fluoride gas.