Product Ethynylmagnesium Chloride,typ.5 %
Solution in Tetrahydrofuran/Toluene
Product No.408423
Ethynyl-MgCl EINECS No.not reg.CAS No.65032-27-1
THF EINECS No.203-726-8 CAS No.109-99-9
Toluene EINECS No.203-625-9 CAS No.108-88-3
Appearance dark brown liquid
Formula C2HClMg
HCCMgCl
Molecular weight 84.79 g/mol
Specific weight of the solution 0.96 g/mol (20 °C)
Boiling point of the solvent 66 °C (THF)
Crystallization below about 15 °C
Flash point of the solvent -21.5 °C (THF)
Vapour pressure of the solvent 200 mbar (20 °C)
Assay 4 – 6 % (0.45 – 0.68 mol/l)
contains abt.4 – 7 % toluene
Method of analysis Determination of assay as total base by acidimetric titration after hydrolysis; detailed description available on request.