Substances This consortium for REACH registration covers exclusively the following substances: • Silica (EINECS # 231-545-4) i. Silica, amorphous, pyrogenic, crystalline-free (CAS#:7631-86-9, 112945-52-5) manufactured by high temperature hydrolysis of halogenated silanes or silicon organic compounds, ii. Silica gel and precipitated silica, crystalline-free (CAS#: 7631-86-9, 112926-00-8), manufactured by precipitation of a Sodium Water Glass solution with Acid or a Base, and the • Silicates iii. Silicic acid, sodium-aluminium salt amorphous (EINECS # 215-684-8, CAS#: 1344-00-9), manufactured by precipitation of a Sodium Water Glass solution with aluminium sulphate iv. Silicic acid, calcium salt amorphous (EINECS # 215-710-8, CAS#: 1344-95-2), manufactured by precipitation of a Sodium Water Glass with Calcium Chloride or in a twostep process by hydrothermal treatment of freshly produced / microniced silica by using calcium hydroxide. © SASFORREACH Consortium GbR 2012 Imprint