The 1,4-Dichloro-2-nitrobenzene, with the CAS registry number 89-61-2 and EINECS registry number 201-923-3, is also called 2,5-Dichloronitrobenzene. It is a kind of yellow flakes, and belongs to the following proudct categories: Intermediates of Dyes and Pigments; Aromatic Halides (substituted); Benzene derivates. And the molecular formula of this chemical is C₆H₃Cl₂NO₂. What's more, it is used as a kind of dye intermediate, and it is also used as nitrogen adjuvant.

The physical properties of 1,4-Dichloro-2-nitrobenzene are as following: (1)ACD/LogP: 2.95; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.95; (4)ACD/LogD (pH 7.4): 2.95; (5)#H bond acceptors: 3; (6)#H bond donors: 0; (7)#Freely Rotating Bonds: 1; (8)Polar Surface Area: 45.82 Å²; (9)Index of Refraction: 1.595; (10)Molar Refractivity: 42.58 cm³; (11)Molar Volume: 125.1 cm³; (12)Polarizability: 16.88×10^-24cm³; (13)Surface Tension: 50.9 dyne/cm; (14)Density: 1.533 g/cm³; (15)Flash Point: 109.4 °C; (16)Enthalpy of Vaporization: 48.47 kJ/mol; (17)Boiling Point: 267 °C at 760 mmHg; (18)Vapour Pressure: 0.0138 mmHg at 25°C.

Preparation of 1,4-Dichloro-2-nitrobenzene: It can be prepared by p-dichlorobenzene via nitration, water scrubbing, neutralization and separation.

You should be cautious while dealing with this chemical. It irritates eyes, and it is also harmful if swallowed. What's more, it is very toxic to aquatic organisms, and may cause long-term adverse effects in the aquatic environment. Therefore, you had better take the following instructions: This material and/or its container must be disposed of as hazardous waste, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=[N+]([O-])c1cc(Cl)ccc1Cl
(2)InChI: InChI=1/C6H3Cl2NO2/c7-4-1-2-5(8)6(3-4)9(10)11/h1-3H
(3)InChIKey: RZKKOBGFCAHLCZ-UHFFFAOYAY

The toxicity data is as follows: