The 2-Bromophenylhydrazine hydrochloride, with the CAS registry number 50709-33-6 and EINECS registry number 256-728-6, has the systematic name of (2-bromophenyl)hydrazine hydrochloride. 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; Hydrazines; Nitrogen Compounds; Organic Building Blocks. And the molecular formula of the chemical is C₆H₈BrClN₂. It is always used as Pharmaceutical intermediates, and it is also used in organic synthesis.

The characteristics of 2-Bromophenylhydrazine hydrochloride are as followings: (1)ACD/LogP: 1.94; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.88; (4)ACD/LogD (pH 7.4): 1.93; (5)ACD/BCF (pH 5.5): 15.49; (6)ACD/BCF (pH 7.4): 17.37; (7)ACD/KOC (pH 5.5): 239.39; (8)ACD/KOC (pH 7.4): 268.42; (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: 120.5 °C; (14)Enthalpy of Vaporization: 51.42 kJ/mol; (15)Boiling Point: 275.7 °C at 760 mmHg; (16)Vapour Pressure: 0.00502 mmHg at 25°C. 

You should be cautious while dealing with this chemical. It may cause burns. Therefore, you had better take the following instructions: Take off immediately all contaminated clothing; Wear suitable protective clothing, gloves and eye/face protection; In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Brc1ccccc1NN.Cl
(2)InChI: InChI=1/C6H7BrN2.ClH/c7-5-3-1-2-4-6(5)9-8;/h1-4,9H,8H2;1H
(3)InChIKey: PHCYUJRYSFMJMG-UHFFFAOYAR