Definition of the Substance Magnesium:

This substance definition is intented to be used for agreement on substance sameness within SIEF formation and for joint submission of the registration dossier according to REACH Regulation (EC) No. 1907/2006 requirements.

Substance specification acc. to annex 1 of "Magnesium REACH Consortium Agreement":

EINECS Name: Magnesium
IUPAC Nomenclature: Mg
EINECS No.: 231-104-6
CAS No.: 7439-95-4
Molecular Formula: Mg

For Magnesium 99.5 acc. to standard EN 12421:1998 maximum permissible contents of impurities are:

0.1 % (w/w) for Al, Mn, Si, Fe, Cu
0.01 % (w/w) for Ni, Pb, Sn, Na, Ca, Zn
0.05 % (w/w) for any other impurity