This chemical is called Pyridine, 2-(chloromethyl)-5-methyl-, hydrochloride (1:1), and its systematic name is 2-(chloromethyl)-5-methylpyridine hydrochloride. With the molecular formula of C₇H₉Cl₂N, its molecular weight is 178.06. The CAS registry number of this chemical is 71670-70-7.

Other characteristics of the Pyridine, 2-(chloromethyl)-5-methyl-, hydrochloride (1:1) can be summarised as followings: (1)ACD/LogP: 1.46; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 1; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 1; (6)Polar Surface Area: 12.89 Å²; (7)Flash Point: 106 °C; (8)Enthalpy of Vaporization: 49.89 kJ/mol; (9)Boiling Point: 251.7 °C at 760 mmHg; (10)Vapour Pressure: 0.016 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: Cl.Cc1cnc(CCl)cc1
2.InChI: InChI=1/C7H8ClN.ClH/c1-6-2-3-7(4-8)9-5-6;/h2-3,5H,4H2,1H3;1H
3.InChIKey: OXXWQLSFICBOMG-UHFFFAOYAY