The Benzene,1,2-diiodo-3,4,5,6-tetramethyl- has CAS registry number 5503-82-2. This chemical's molecular formula is C₁₀H₁₂I₂ and molecular weight is 386.01. What's more, its systematic name is 1,2-diiodo-3,4,5,6-tetramethylbenzene. When you are using this chemical, please be cautious about it. It may cause inflammation to the skin or other mucous membranes. 

Physical properties of Benzene,1,2-diiodo-3,4,5,6-tetramethyl- are: (1)ACD/LogP: 6.04; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.04; (4)ACD/LogD (pH 7.4): 6.04; (5)ACD/BCF (pH 5.5): 22730.12; (6)ACD/BCF (pH 7.4): 22730.12; (7)ACD/KOC (pH 5.5): 45713.17; (8)ACD/KOC (pH 7.4): 45713.17; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 0 Å²; (13)Index of Refraction: 1.637; (14)Molar Refractivity: 71.36 cm³; (15)Molar Volume: 198.6 cm³; (16)Polarizability: 28.29×10^-24cm³; (17)Surface Tension: 43.1 dyne/cm; (18)Density: 1.942 g/cm³; (19)Flash Point: 157.2 °C; (20)Enthalpy of Vaporization: 55.44 kJ/mol; (21)Boiling Point: 334.4 °C at 760 mmHg; (22)Vapour Pressure: 0.000249 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: Ic1c(c(c(c(c1I)C)C)C)C
(2)Std. InChI: InChI=1S/C10H12I2/c1-5-6(2)8(4)10(12)9(11)7(5)3/h1-4H3
(3)Std. InChIKey: ZACBVOGAUCKCHM-UHFFFAOYSA-N