IUPAC Name: 2,4-Dichloro-1-(chloromethyl)benzene 
Following is the structure of 2,4-Dichlorobenzyl chloride (CAS NO.94-99-5):
                             
Molecular Formula: C₇H₅Cl₃
Molecular Weight: 195.47
EINECS: 202-381-0
Melting point: -2.6 °C(lit.)
Index of Refraction: 1.563
Molar Refractivity: 45.8 cm³
Molar Volume: 141 cm³
Density: 1.386 g/cm³
Flash Point: 158 °C
Polarizability: 18.15 10^-24cm³
Surface Tension: 39.8 dyne/cm
Enthalpy of Vaporization: 46.58 kJ/mol
Boiling Point: 248.3 °C at 760 mmHg
Vapour Pressure: 0.0386 mmHg at 25°C 
Appearance: clear colorless to very light yellow oily liquid
Product Categories of 2,4-Dichlorobenzyl chloride (CAS NO.94-99-5): Aromatic Halides (substituted); Econazole Nitrate
Canonical SMILES: C1=CC(=C(C=C1Cl)Cl)CCl
InChI: InChI=1S/C7H5Cl3/c8-4-5-1-2-6(9)3-7(5)10/h1-3H,4H2
InChIKey: IRSVDHPYXFLLDS-UHFFFAOYSA-N

 2,4-Dichlorobenzyl chloride (CAS NO.94-99-5) is the intermediate of diclobutrazol which is a fungicide. And also it is the intermediates of MICONAZOLE.

Using azo-bis-ISOBUTYRONITRILE as a catalyst. With 2,4 - dichloro TOLUENE as raw materials for chloride at an appropriate temperature.During the process, you should control the CHLORINE level. And then we can get the production of 2,4-Dichlorobenzyl chloride.

 2,4-Dichlorobenzyl chloride (CAS NO.94-99-5) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. And the toxicological properties have not been fully investigated.

Hazard Codes: C,N
Risk Statements: 34-37-50/53-22 
R34:Causes burns. 
R37:Irritating to respiratory system 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R22:Harmful if swallowed.
Safety Statements: 26-36/37/39-45-61-60 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets. 
S60:This material and its container must be disposed of as hazardous waste.
RIDADR: UN 3265 8/PG 2
WGK Germany: 3
F: 19
Hazard Note: Corrosive
HazardClass: 8
PackingGroup: II
HS Code: 29036990

 2,4-Dichlorobenzyl chloride , its cas register number 94-99-5. It also can be called 2,4-Dichloro-1-(chloromethyl)benzene ; AI3-14886 ; NSC 406892 ; and alpha2,4-Trichlorotoluene .
 2,4-Dichlorobenzyl chloride (CAS NO.94-99-5) could be stable under normal temperatures and pressures. It should avoid the condition like incompatible materials, exposure to moist air or water. It is not compatible with strong oxidizing agents, strong oxidizing agents, strong bases, bases, alcohols, amines, steel. And also prevent it to broken down into hazardous decomposition products: Hydrogen chloride, carbon monoxide, carbon dioxide. However, its hazardous polymerization will not occur.