The Hydrazine,(2-methylphenyl)-, hydrochloride (1:1), with the CAS registry number 635-26-7 and EINECS registry number 211-232-9, has the IUPAC name of (2-methylphenyl)hydrazine hydrochloride (1:1). It is a kind of beige crystalline powder, and belongs to the following product categories: Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes. And the molecular formula of the chemical is C₇H₁₀N₂^.HCl.

The characteristics of Hydrazine,(2-methylphenyl)-, hydrochloride (1:1) are as followings: (1)ACD/LogP: 1.71; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.47; (4)ACD/LogD (pH 7.4): 1.71; (5)ACD/BCF (pH 5.5): 6.82; (6)ACD/BCF (pH 7.4): 11.63; (7)ACD/KOC (pH 5.5): 117.89; (8)ACD/KOC (pH 7.4): 201.07; (9)#H bond acceptors: 2; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 6.48 Å² ; (13)Flash Point: 104.1 °C; (14)Enthalpy of Vaporization: 46.42 kJ/mol; (15)Boiling Point: 227.7 °C at 760 mmHg; (16)Vapour Pressure: 0.0766 mmHg at 25°C.

Uses of Hydrazine,(2-methylphenyl)-, hydrochloride (1:1): It can react with o-tolyl-hydrazine; hydrochloride to produce 4-hydroxy-3-[1-(o-tolyl-hydrazono)-ethyl]-chromen-2-one. This reaction will need reagent ethanol and heating. And the yield is about 80%.   

You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin. What's more, it is also harmful by inhalation, in contact with skin and if swallowed. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Cl.NNc1ccccc1C
(2)InChI: InChI=1/C7H10N2.ClH/c1-6-4-2-3-5-7(6)9-8;/h2-5,9H,8H2,1H3;1H
(3)InChIKey: KJGFNDCSTWGUDT-UHFFFAOYAS