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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Reference substances

Reference substances

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IUPAC name:
Aluminium-Calcium-Magnesium-Silicium oxide equivalent


EC number:
EC name:
Slags, ferrous metal, blast furnace
CAS number:
The fused substance formed by the action of a flux upon the gangue of the iron-bearing materials charged to a blast furnace and upon the oxidized impurities in the iron produced. Depending upon the particular blast furnace operation, the slag is composed primarily of sulfur and oxides of aluminum, calcium, magnesium, and silicon.
CAS number:
BFS (abbreviation reserved for molten blast furnace slag, not to be used for solid blast furnace slag)
air-cooled blast furnace slag/granulated blast furnace slag
cooled blast furnace slag
solid blast furnace slag

Molecular and structural information

Molecular formula:
~ Al(n)Ca(m)Mg(o)Si(p)O(3n/2+m+o+2p)
SMILES notation:
not applicable
not applicable

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