The Hydrazine,(3-methylphenyl)-, hydrochloride (1:1), with the CAS registry number 637-04-7 and EINECS registry number 211-276-9, has the the systematic name and IUPAC name of (3-methylphenyl)hydrazine hydrochloride (1:1). It is a kind of white to light yellow crystal powder, and belongs to the following product categories: Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes; Phenylhydrazine. And the molecular formula of the chemical is C₇H₁₀N₂^.HCl.

The characteristics of Hydrazine,(3-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): 1.46; (4)ACD/LogD (pH 7.4): 1.71; (5)ACD/BCF (pH 5.5): 6.53; (6)ACD/BCF (pH 7.4): 11.62; (7)ACD/KOC (pH 5.5): 112.92; (8)ACD/KOC (pH 7.4): 200.88; (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: 116 °C; (14)Enthalpy of Vaporization: 48.08 kJ/mol; (15)Boiling Point: 243.8 °C at 760 mmHg; (16)Vapour Pressure: 0.0315 mmHg at 25°C.

Uses of Hydrazine,(3-methylphenyl)-, hydrochloride (1:1): It can react with 3-acetyl-4-hydroxy-chromen-2-one to produce 4-hydroxy-3-[1-(m-tolyl-hydrazono)-ethyl]-chromen-2-one. This reaction will need reagent ethanol and heating. And the yield is about 61%.   

You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin. It also may cause carcinogenic effect. What's more, it is 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.NNc1cc(ccc1)C
(2)InChI: InChI=1/C7H10N2.ClH/c1-6-3-2-4-7(5-6)9-8;/h2-5,9H,8H2,1H3;1H
(3)InChIKey: SHTBTGXNVWYODU-UHFFFAOYAD