The Hydrazine,(2-ethylphenyl)-, hydrochloride (1:1), with the CAS registry number 19398-06-2 and EINECS registry number 421-460-2, has the systematic name of (2-ethylphenyl)hydrazine hydrochloride. It is a kind of almost white to beige fluffy powder, and belongs to the following product categories: Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes; Hydrazines; Nitrogen Compounds; Organic Building Blocks. And the molecular formula of the chemical is C₈H₁₂N₂^.HCl.

The characteristics of Hydrazine,(2-ethylphenyl)-, hydrochloride (1:1) are as followings: (1)ACD/LogP: 2.24; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2; (4)ACD/LogD (pH 7.4): 2.24; (5)ACD/BCF (pH 5.5): 17.14; (6)ACD/BCF (pH 7.4): 29.48; (7)ACD/KOC (pH 5.5): 227.42; (8)ACD/KOC (pH 7.4): 391.14; (9)#H bond acceptors: 2; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 6.48 Å²; (13)Flash Point: 118.9 °C; (14)Enthalpy of Vaporization: 48.48 kJ/mol; (15)Boiling Point: 247.7 °C at 760 mmHg; (16)Vapour Pressure: 0.0253 mmHg at 25°C.  

You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin. And it is very toxic to aquatic organisms, and may cause long-term adverse effects in the aquatic environment. What's more, it may also cause sensitization by skin contact, and harmful if swallowed. Therefore, you had better take the following instructions: This material and/or its container must be disposed of as hazardous waste; Avoid release to the environment. Refer to special instructions safety data sheet; Wear suitable protective clothing and gloves; 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.NNc1ccccc1CC
(2)InChI: InChI=1/C8H12N2.ClH/c1-2-7-5-3-4-6-8(7)10-9;/h3-6,10H,2,9H2,1H3;1H
(3)InChIKey: HBHPTOKYVGZBAJ-UHFFFAOYAQ