The Hydrazine,(2,3-dichlorophenyl)-, hydrochloride (1:1), with the CAS registry number 21938-47-6, has the systematic name of (2,3-dichlorophenyl)diazanium chloride. 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 C₆H₇Cl₃N₂.

The characteristics of Hydrazine,(2,3-dichlorophenyl)-, hydrochloride (1:1) are as followings: (1)ACD/LogP: 2.66; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.63; (4)ACD/LogD (pH 7.4): 2.66; (5)ACD/BCF (pH 5.5): 58.31; (6)ACD/BCF (pH 7.4): 62.16; (7)ACD/KOC (pH 5.5): 627.36; (8)ACD/KOC (pH 7.4): 668.79; (9)#H bond acceptors: 2; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 3.24 Å²; (13)Flash Point: 118.5 °C; (14)Enthalpy of Vaporization: 51.06 kJ/mol; (15)Boiling Point: 272.3 °C at 760 mmHg; (16)Vapour Pressure: 0.00613 mmHg at 25°C. 

Uses of Hydrazine,(2,3-dichlorophenyl)-, hydrochloride (1:1): It can react with 2,2,2-trifluoro-1-phenyl-ethanone to produce N-(2,3-dichloro-phenyl)-N'-(2,2,2-trifluoro-1-phenyl-ethylidene)-hydrazine. This reaction will need reagent 50% aq. H₂SO₄, and the menstruum ethanol. The reaction time is 48 hours with ambient temperature, and the yield is about 65%.  

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, 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-].Clc1c(N[NH3+])cccc1Cl
(2)InChI: InChI=1/C6H6Cl2N2.ClH/c7-4-2-1-3-5(10-9)6(4)8;/h1-3,10H,9H2;1H
(3)InChIKey: RHNATWVYOKUFLK-UHFFFAOYAQ