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Reference substances

Reference substances

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IUPAC name:
oxo[(oxoalumanyl)oxy]alumane oxocalcium oxomagnesium silanedione hydrate


CAS number:
IUPAC name
Zeolite, silica rich, crystalline, synthetic, non-fibrous
IUPAC name
other: Molecular formula
M2/nO • Al2O3 • ySiO2 • wH2O (n is the valency of the cation M, predominantly Na, and for Na is n=1; y can range from 2 to 222, and w is the number of water molecules typically between 4 and 40. The composition based on the metals present in the zeolite is typically: Na: 0 - 19.0%, Al: 0,3 - 19.0%, Si: 16.6 - 46.1% (general composition); additionally, depending on the water quality: Ca, Mg and K might be present below 5%
Zeolite, cuboidal, crystalline, synthetic, non fibrous, thermally produced

Molecular and structural information

Molecular formula:
M2/nO*Al2O3*ySiO2*wH2O (n is the valency of the cation M, y can range from 2 to 25, and w is the number of water molecules)
Typical ranges:
Mg: 1.9 – 5.3%, Ca: 3.1 - 8.2%, Al: 5.1 - 8.3%, Si: 30.1 -33.0%, H2O: 0 - 8.3%
Molecular weight:
>= 1 100 - <= 6 203
SMILES notation:
not applicable
Structural formula:
Chemical structure

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CAS number