6,7-DICHLORO-1,4-DIHYDRO-2,3-QUINOXALINEDIONE

The 2,3-Quinoxalinedione,6,7-dichloro-1,4-dihydro-, with the CAS registry number 25983-13-5, is also known as 6,7-Dichloro-1,4-dihydro-2,3-quinoxalinedione. It belongs to the product categories of Blocks; Heterocycles. This chemical's molecular formula is C₈H₄Cl₂N₂O₂ and molecular weight is 231.04. What's more, its systematic name is 6,7-Dichloro-1,4-dihydroquinoxaline-2,3-dione.

Physical properties about this chemical are: (1)ACD/LogP: 0.81; (2)#of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.81; (4)ACD/LogD (pH 7.4): 0.77; (5)ACD/BCF (pH 5.5): 2.41; (6)ACD/BCF (pH 7.4): 2.22; (7)ACD/KOC (pH 5.5): 65.34; (8)ACD/KOC (pH 7.4): 60.15; (9)#H bond acceptors: 4; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 40.62 Ų; (13)Index of Refraction: 1.613; (14)Molar Refractivity: 50.56 cm³; (15)Molar Volume: 145.2 cm³; (16)Polarizability: 20.04×10^-24cm³; (17)Surface Tension: 53.9 dyne/cm; (18)Density: 1.59 g/cm³; (19)Flash Point: 270.3 °C; (20)Enthalpy of Vaporization: 82.7 kJ/mol; (21)Boiling Point: 523.4 °C at 760 mmHg; (22)Vapour Pressure: 1.43E-11 mmHg at 25 °C.

Preparation of 2,3-Quinoxalinedione,6,7-dichloro-1,4-dihydro: this chemical can be prepared by 4,5-Dichloro-benzene-1,2-diamine and oxalic acid.
This reaction needs reagent HCl and condition of heating. The reaction time is 30 mins. The yield is 64 %.
 

Uses of 6,7-Dichloro-1,4-dihydro-quinoxaline-2,3-dione: it is used to produce other chemicals. For example, it is used to produce 2,3,6,7-Tetrachloro-quinoxaline.
The reaction occurs with reagent POCl₃ and condition of heating. This reaction will occur for 16 hours. The yield is 66 %.
 

You can still convert the following datas into molecular structure:
(1) SMILES: Clc2c(Cl)cc1c(NC(=O)C(=O)N1)c2
(2) InChI: InChI=1/C8H4Cl2N2O2/c9-3-1-5-6(2-4(3)10)12-8(14)7(13)11-5/h1-2H,(H,11,13)(H,12,14)
(3) InChIKey: AVBSIKMUAFYZAV-UHFFFAOYAU