# Species Formula 2520 FluorodichloromethaneHCFCl2 2521 Dichlorodifluoromethane (Geo)CF2Cl2 2522 DifluorodichloromethaneCF2Cl2 2523 1,2-Dichloro 1,1,2,2-tetrafluoroethaneC2F4Cl2 2524 Sodium chloride, dimer (Geo)Na2Cl2 2525 Sodium chloride, dimerNa2Cl2 2526 Magnesium dichlorideMgCl2 2527 Magnesium dichloride (Geo)MgCl2 2528 Mg(II)O4Cl2 (CEXWUX10) (Geo)C8H20O6MgCl2 2529 Mg(II)O4Cl2 (CEXWUX10)C8H20O6MgCl2 2530 Mg(II)2(Cp)2Cl4O2 (LAKLEO) (Geo) C18H30O2Mg2Cl2 2531 Mg(II)2(Cp)2Cl4O2 (LAKLEO)C18H30O2Mg2Cl2 2532 AlCl2, cationAlCl2 2533 Aluminum dichlorideAlCl2 2534 Aluminum dichloride, anionAlCl2 2535 Aluminum dichloride fluorideFAlCl2 2536 Dichlorosilylene (Geo)SiCl2 2537 Silicon dichlorideSiCl2 2538 DichlorosilaneH2SiCl2 2539 DichloromethylsilaneCH4SiCl2 2540 DichlorodimethylsilaneC2H6SiCl2